LC75843UGA LCD Driver IC Evaluation Board User`s Manual

LC75843UGAGEVB
LC75843UGA LCD Driver IC
Evaluation Board
User'sManual
Overview
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The LC75843UGAGEVB is an evaluation board for
operation check of 1/1 to 1/4 duty general-purpose LCD
driver IC (LC75843UGA). This evaluation board has
a power supply circuit, a controller circuit, an LCD driver IC
circuit, an LCD panel circuit, an LED circuit. Therefore, this
evaluation board can facilitate the operation check (state
setting and waveform monitor, etc.) of the LCD driver IC.
In addition, this evaluation board can automatically
demonstrate.
EVAL BOARD USER’S MANUAL
• Capable of Waveform Monitor of All Common
•
Features
• This Evaluation Board is Equipped with a Controller,
•
•
•
and the Control of the LCD Driver IC is Possible by
Serial Communication (CCB* Format)
The 1/4 Duty LCD Panel is Implemented
Capable of the LED Control by the General-purpose
Port of the LCD Driver IC (Capable of the LED
Brightness Adjustment by the PWM Control)
•
Outputs, All Segment Outputs and All General-purpose
Port Outputs
This Evaluation Board can Separate the Signal between
Each Circuit Block. Therefore the External Input to an
LCD Driver IC is Possible
This Evaluation Board has the Demonstration Mode
which Automatically Performs LCD Display and LED
Control by Controller Control
This Evaluation Board is Pb-free and RoHS Compliant
*CCB® is ON Semiconductor’s original format. All addresses are
managed by ON Semiconductor for this format.
LCD Panel Circuit
LCD Driver IC Circuit
(LC75843UGA)
Power Supply Circuit
LED Circuit
Controller Circuit
Figure 1. Appearance of LCD Driver IC Evaluation Board (LC75843UGAGEVB)
© Semiconductor Components Industries, LLC, 2014
April, 2014 − Rev. 0
1
Publication Order Number:
EVBUM2231/D
LC75843UGAGEVB
SPECIFICATIONS
Table 1. RECOMMENDED OPERATING CONDITIONS
Value/Ratings
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
7.0
9.0
12.0
V
Specifications of LCD Driver IC Evaluation Board (LC75843UGAGEVB)
Main Power Supply
Voltage
9Vin
Pull-up Power Supply
Voltage for LED
VOUP
When the jump socket of the JPUP is removed
and an external power supply is inputted from
VOUP pin.
4.5
5.0
6.3
V
Main Power Supply
Current
IDD9V
9Vin = 9.0 V, When the switch of the P1 is set to
H(1) and moving the “All ON test
(DEMO mode = “1”)” mode.
(This condition is a maximum current flow)
−
125
−
mA
200 mm × 150 mm, t = 1.6 mm
Board Size
Board Material
Glass Epoxy (FR4), 2-levels,
Copper Foil 35 mm
Specifications of LCD Driver IC (LC75843UGA)
Power Supply Voltage
VDD
When the jump socket of the JP5V is removed
and an external power supply is inputted from
VDD5V pin.
4.5
−
6.3
V
Input High Level
Voltage
VIH1
When the jump sockets of the JPINH, JPCE,
JPCL and JPDI are removed and an external
signal is inputted from CE, CL, DI and INH pins.
0.4 VDD
−
6.3
V
VIH2
When the jump sockets of the JPGND, JP38K
and JP300K are removed and an external clock
is inputted from OSCI pin.
0.4 VDD
−
6.3
V
VIL1
When the jump sockets of the JPINH, JPCE,
JPCL and JPDI are removed and an external
signal is inputted from CE, CL, DI and INH pins.
0
−
0.2 VDD
V
VIL2
When the jump sockets of the JPGND, JP38K
and JP300K are removed and an external clock
is inputted from OSCI pin.
0
−
0.2 VDD
V
CCB Serial Clock
Operating Frequency
fCL
When the jump socket of the JPCL is removed
and an external signal is inputted from CL pin.
−
−
3.125
MHz
External Clock
Operating Frequency
fCK
When the jump sockets of the JPGND, JP38K
and JP300K are removed and an external clock
is inputted from OSCI pin.
10
300
600
kHz
External Clock Duty
Cycle
DCK
When the jump sockets of the JPGND, JP38K
and JP300K are removed and an external clock
is inputted from OSCI pin.
30
50
70
%
Input Low Level
Voltage
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond
the Recommended Operating Ranges limits may affect device reliability.
NOTE: We have a case to change these specifications without a notice for improvement.
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LC75843UGAGEVB
BLOCK DIAGRAM
The following figure shows the block diagram of the
LC75843UGAGEVB.
9Vin
circuit
Power Supply Circuit
1.5 V
3.3 V
5.0 V
VDD
Controller Circuit
(FPGA)
LCD Driver IC
(LC75843UGA)
300 kHz Clock
1
38 kHz Clock
4
S1/P1
to
S4/P4
4
LED Circuit
(4ch)
OSCI
INH
CE
CL
DI
VSS
S5 to S24, S28
COM1 to COM4
21
LCD Panel
(1/4 duty)
4
Figure 2. Block Diagram of LCD Driver IC Evaluation Board (LC75843UGAGEVB)
TEST PROCEDURE
When the All Circuits in the LC75843UGAGEVB Board Are Used
Oscilloscope
Power Supply
POW
BUSY
SEND
GND 9Vin
LCD Panel
INH
CH1 CH2 CH3 CH4
ON
ERROR
OFF
POWER
GND
IC
IC
GND
JPP4 JPP3 JPP2 JPP1
DEMO
mode
Jump Socket
JPGND
JP38K
JP300K
GND
For example,
CH1 : COM1
CH2 : S5
CH3 : S28
CH4 : S2/P2
L, L,L,L,L,H,L,H,L,L,L,L,L,
OSCI
VOUP
L,L,L,L,L,L,
JPINH JPCE JPCL JPDI JP5V
JPUP
DT0 DT1
INH
CE CL DI
VDD5V GND
Figure 3. The Test Constitution when the All Circuits in the LC75843UGAGEVB Board Are Used
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LC75843UGAGEVB
4. An automatic demonstration mode is selected by
moving “DEMO mode” switch to the “9” position.
5. Set the following switches. About the setting
contents details of the switch, refer to
“Explanation of the Switches of Setting the
Control Data”.
1. Connect the test setup as shown in Figure 3.
2. Insert the jump sockets of the JP5V, JPGND,
JPINH, JPCE, JPCL, JPDI, JPUP, JPP1, JPP2,
JPP3 and JPP4, and remove the jump sockets of
the DT0, DT1, JP38K and JP300K.
3. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position. (The red LED monitor of the “POW” is
turned on)
Switches
Functions
Contents Which Are Set
PF0 to PF3
PWM output waveform frame frequency select.
The PWM output waveform frame frequency is
195 [Hz] by moving “PF0, PF1, PF2, PF3” switch to
the “L(0), L(0), L(0), L(0)” position.
FC0 to FC3
Common/Segment output waveform frame frequency select.
The common/segment output waveform frame
frequency is 97 [Hz] by moving “FC0, FC1, FC2, FC3”
switch to the “L(0), H(1), L(0), H(1)” position.
General-purpose output port (S1/P1) function select.
L(0) : Low level output mode
EXF
P1
External clock operating frequency mode select at OC = H(1).
L(0) : 300 kHz input operating mode
OC
Fundamental clock operating mode select.
L(0) : Internal oscillator clock operating mode
SC
Display on/off select.
L(0) : Normal display mode
BU
Power saving mode select.
L(0) : Normal mode
PWM output waveform duty select.
When switch of the “DEMO mode” is set to “9”, duty of
the PWM output waveform is automatically set,
therefore switches of the “W0 to W5” are set to “L(0),
L(0), L(0), L(0), L(0), L(0)” position.
W0 to W5
• The customer can confirm that LEDs from P1 to P4
6. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the “Command Set” switch. (The green LED
monitor of the “BUSY” and “INH” are turned on)
7. The customer can confirm the movement of the
LCD display and LED brightness adjustment by
the automatic demonstration. Then, the customer
can confirm the waveform of the common outputs
(COM1 to COM4), segment outputs (S5 to S24,
S28) and general-purpose port outputs (P1 to P4).
change brightly gradually.
For example, when the DEMO mode is “9”
• The green LED monitor of the “SEND” flashes quickly.
• The customer can confirm that a “AUTO” characters
and a PWM duty value are displayed to LCD.
to
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LC75843UGAGEVB
When the External Power Supply Is Used
Oscilloscope
Power Supply
POW
BUSY
SEND
ON
OFF
LCD Panel
INH
GND 9Vin
CH1 CH2 CH3 CH4
ERROR
POWER
GND
IC
IC
GND
JPP4 JPP3 JPP2JPP1
DEMO
mode
Jump Socket
JPGND
JP38K
JP300K
L, L,L,L,L,H,L,H,L,L,L,L,L,
GND
For example,
CH1 : COM1
CH2 : S5
CH3 : S28
CH4 : S2/P2
Power Supply
OSCI
VOUP
JPINH JPCE JPCL JPDI JP5V
L,L,L,L,L,L,
VDD5V GND
JPUP
DT0 DT1
INH
CE CL DI
Figure 4. The Test Constitution when the External Power Supply Is Used
3. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position. (The red LED monitor of the “POW” is
turned on)
4. Supply the voltage of the external power supply to
“VDD5V” pin. The following specification shows
the allowable operating ranges of LC75843UGA.
1. Connect the test setup as shown in Figure 4.
2. Insert the jump sockets of the JPGND, JPINH,
JPCE, JPCL, JPDI, JPUP, JPP1, JPP2, JPP3 and
JPP4, and remove the jump sockets of the DT0,
DT1, JP38K, JP300K and JP5V.
Parameter
Power Supply Voltage for LC75843UGA
Symbol
Min
Typ
Max
Unit
VDD
4.5
−
6.3
V
“Explanation of the Switches of Setting the
Control Data”.
5. An automatic demonstration mode is selected by
moving “DEMO mode” switch to the “9” position.
6. Set the following switches. About the setting
contents details of the switch, refer to
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LC75843UGAGEVB
Functions
Switches
Contents Which Are Set
PF0 to PF3
PWM output waveform frame frequency select.
The PWM output waveform frame frequency is
195 [Hz] by moving “PF0, PF1, PF2, PF3” switch to
the “L(0), L(0), L(0), L(0)” position.
FC0 to FC3
Common/Segment output waveform frame frequency select.
The common/segment output waveform frame
frequency is 97 [Hz] by moving “FC0, FC1, FC2, FC3”
switch to the “L(0), H(1), L(0), H(1)” position.
General-purpose output port (S1/P1) function select.
L(0) : Low level output mode
EXF
External clock operating frequency mode select at OC = H(1).
L(0) : 300kHz input operating mode
OC
Fundamental clock operating mode select.
L(0) : Internal oscillator clock operating mode
SC
Display on/off select.
L(0) : Normal display mode
BU
Power saving mode select.
L(0) : Normal mode
PWM output waveform duty select.
When switch of the “DEMO mode” is set to “9”, duty of
the PWM output waveform is automatically set,
therefore switches of the “W0 to W5” are set to “L(0),
L(0), L(0), L(0), L(0), L(0)” position.
7. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the “Command Set” switch. (The green LED
monitor of the “BUSY” and “INH” are turned on)
8. The customer can confirm the movement of the
LCD display and LED brightness adjustment by
the automatic demonstration. Then, the customer
can confirm the waveform of the common outputs
(COM1 to COM4), segment outputs (S5 to S24,
S28) and general-purpose port outputs (P1 to P4).
(The green LED monitor of the “SEND” flashes
quickly)
P1
W0 to W5
When the Customer’s Original Controller Board Is Used
Oscilloscope
Power Supply
POW
BUSY
SEND
GND 9Vin
OFF
LCD Panel
INH
ON
CH1 CH2 CH3 CH4
ERROR
POWER
GND
IC
IC
GND
JPP4 JPP3 JPP2 JPP1
DEMO
mode
Jump Socket
JPGND
JP38K
JP300K
L, L,L,L,L,L,L,L,L,L,L,L,L,
GND
OSCI
VOUP
L,L,L,L,L,L,
For example,
CH1 : COM1
CH2 : S5
CH3 : S28
CH4 : S2/P2
JPINH JPCE JPCL JPDI JP5V
INH
CE CL DI
VDD5V GND
JPUP
Customer’s Original
Controller Board
DT0 DT1
GND
DI
CL
CE
INH
Figure 5. The Test Constitution when the Customer’s Original Controller Board Is Used
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LC75843UGAGEVB
4. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position. (The red LED monitor of the “POW” is
turned on)
5. The CCB serial data are transferred from
a customer’s original controller board to LCD
driver IC. The following specification shows the
allowable operating ranges of LC75843UGA.
1. Connect the test setup as shown in Figure 5.
2. Insert the jump sockets of the JP5V, JPGND,
JPUP, JPP1, JPP2, JPP3 and JPP4, and remove the
jump sockets of the DT0, DT1, JP38K, JP300K,
JPINH, JPCE, JPCL and JPDI.
3. The switch does not need to set because the switch
on the evaluation board are not used.
Parameter
Symbol
Min
Typ
Max
Unit
Input High Level Voltage
VIH1
0.4 VDD
−
6.3
V
Input Low Level Voltage
VIL1
0
−
0.2 VDD
V
CCB Serial Clock Operating Frequency
fCL
−
−
3.125
MHz
6. Confirm a result of LCD display and the LED
display controlled by the customer’s original
controller board. Then, the customer can confirm
the waveform of the common outputs (COM1 to
COM4), segment outputs (S5 to S24, S28) and
general-purpose port outputs (P1 to P4).
When the LCD Display Is Driven by the External Clock Input
Oscilloscope
Power Supply
POW
BUSY
SEND
ON
OFF
LCD Panel
INH
GND 9Vin
CH1 CH2 CH3 CH4
ERROR
POWER
GND
IC
IC
GND
JPP4 JPP3 JPP2 JPP1
DEMO
mode
Jump Socket
JPGND
GND
JP38K
JP300K
For example,
CH1 : COM1
CH2 : S5
CH3 : S28
CH4 : S2/P2
Clock Oscillator
L, L,L,L,L,H,L,H,L,L,H,L,L,
OSCI
VOUP
L,L,L,L,L,L,
JPINH JPCE JPCL JPDI JP5V
JPUP
DT0 DT1
INH
CE CL DI
VDD5V
GND
Figure 6. The Test Constitution when the LCD Display Is Driven by the External Clock Input
position. (The red LED monitor of the “POW” is
turned on)
4. An automatic demonstration mode is selected by
moving “DEMO mode” switch to the “9” position.
5. Set the following switches. About the setting
contents details of the switch, refer to
“Explanation of the Switches of Setting the
Control Data”.
When the LCD Display Is Driven by the Clock Oscillator
1. Connect the test setup as shown in Figure 6.
2. Insert the jump sockets of the JP5V, JPINH, JPCE,
JPCL, JPDI, JPUP, JPP1, JPP2, JPP3 and JPP4,
and remove the jump sockets of the DT0, DT1,
JPGND, JP38K and JP300K.
3. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
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LC75843UGAGEVB
Functions
Switches
Contents Which Are Set
PF0 to PF3
PWM output waveform frame frequency select.
The PWM output waveform frame frequency is
195 [Hz] by moving “PF0, PF1, PF2, PF3” switch to
the “L(0), L(0), L(0), L(0)” position.
FC0 to FC3
Common/Segment output waveform frame frequency select.
The common/segment output waveform frame
frequency is 97 [Hz] by moving “FC0, FC1, FC2, FC3”
switch to the “L(0), H(1), L(0), H(1)” position.
General-purpose output port (S1/P1) function select.
L(0) : Low level output mode
EXF
External clock operating frequency mode select at OC = H(1).
L(0) : 300kHz input operating mode
OC
Fundamental clock operating mode select.
H(1) : External clock operating mode
SC
Display on/off select.
L(0) : Normal display mode
BU
Power saving mode select.
L(0) : Normal mode
PWM output waveform duty select.
When switch of the “DEMO mode” is set to “9”, duty of
the PWM output waveform is automatically set,
therefore switches of the “W0 to W5” are set to “L(0),
L(0), L(0), L(0), L(0), L(0)” position.
P1
W0 to W5
6. Supply the external clock to “OSCI” pin.
The following specification shows the allowable
operating ranges of LC75843UGA.
Parameter
Symbol
Min
Typ
Max
Unit
Input High Level Voltage
VIH2
0.4 VDD
−
6.3
V
Input Low Level Voltage
VIL2
0
−
0.2 VDD
V
External Clock Operating Frequency
fCK
10
300
600
kHz
External Clock Duty Cycle
DCK
30
50
70
%
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the “Command Set” switch. (The green LED
monitor of the “BUSY” and “INH” are turned on)
5. The customer can confirm the movement of the
LCD display and LED brightness adjustment by
the automatic demonstration. Then, the customer
can confirm the waveform of the common outputs
(COM1 to COM4), segment outputs (S5 to S24,
S28) and general-purpose port outputs (P1 to P4).
7. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the “Command Set” switch. (The green LED
monitor of the “BUSY” and “INH” are turned on)
8. The customer can confirm the movement of the
LCD display and LED brightness adjustment by
the automatic demonstration. Then, the customer
can confirm the waveform of the common outputs
(COM1 to COM4), segment outputs (S5 to S24,
S28) and general-purpose port outputs (P1 to P4).
When the LCD Display Is Driven by the 300 [kHz] External
Clock Input
1. The LCD display is turned off by pushing the
switch of “Command Set” and “PWM Set” at the
same time more than two seconds. (The green
LED monitor of the “BUSY” and “INH” are
turned off)
2. Insert the jump socket of the JP300K, and remove
the jump sockets of the JPGND and JP38K.
The 301.205 [MHz] (50 MHz × 166 clock) clock
output by the controller is input into an LCD
driver IC by inserting a jump socket of the
JP300K.
3. Move “OC” switch to the “H(1)” position and
“EXF” switch to the “L(0)” position.
When the LCD Display Is Driven by the 38 [kHz] External
Clock Input
1. The LCD display is turned off by pushing the
switch of “Command Set” and “PWM Set” at the
same time more than two seconds. (The green
LED monitor of the “BUSY” and “INH” are
turned off)
2. Insert the jump socket of the JP38K, and remove
the jump sockets of the JPGND and JP300K. The
37.994 [MHz] (50 MHz × 1316 clock) clock
output by the controller is input into an LCD
driver IC by inserting a jump socket of the JP38K.
3. Move “OC” switch to the “H(1)” position and
“EXF” switch to the “H(1)” position.
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LC75843UGAGEVB
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the “Command Set” switch. (The green LED
monitor of the “BUSY” and “INH” are turned on)
5. The customer can confirm the movement of the
LCD display and LED brightness adjustment by
the automatic demonstration. Then, the customer
can confirm the waveform of the common outputs
(COM1 to COM4), segment outputs (S5 to S24,
S28) and general-purpose port outputs (P1 to P4).
When the LCD Display Is Driven Using the LCD Driver IC in All Customer Original Environment
Customer’s Original LCD Panel Board
COM1
to
COM4
Oscilloscope
Original
LCD Panel
(1/4 duty)
CH1 CH2 CH3 CH4
S1 to S24, S28
For example,
CH1 : COM1
CH2 : S5
CH3 : S28
CH4 : S2/P2
POW
BUSY
SEND
INH
GND 9Vin
ERROR
OFF
Power Supply
POWER
GND
IC
IC
GND
JPP4 JPP3 JPP2 JPP1
GND
DEMO
mode
JPGND
JP38K
JP300K
L, L,L,L,L,L,L,L,L,L,L,L,L,
Customer’s Original
Controller Board
OSCI
VOUP
L,L,L,L,L,L,
JPINH JPCE JPCL JPDI
INH
JP5V
GND
DI
CL
CE
INH
JPUP
CE CL DI
DT0 DT1
VDD5V GND
OSCI
Figure 7. The Test Constitution when the LCD Display Is Driven Using the LCD Driver IC
in All Customer Original Environment.
When the Customer’s Original LCD Panel of the 1/4 Duty Is
Used
When a customer uses the “Customer’s original LCD
panel”, because the segment allotments of the LCD panel are
different the control by the “Customer’s original controller
board” is necessary. When 1/4 duty drive mode,
LC75843UGA can drive the LCD up to 100 segments.
LCD Driver IC
(LC75843UGA)
COM1
S27/COM2
S26/COM3
S25/COM4
S28
S24
S5
P4/S4
P3/S3
P2/S2
P1/S1
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Customer’s Original
LCD Panel
(1/4 duty)
COM1
COM2
COM3
COM4
S25
S24
S5
S4
S3
S2
S1
4 x 25
= 100 segments
LC75843UGAGEVB
DT1. The switch does not need to set because the
switch on the evaluation board are not used.
3. Supply the voltage of the external power supply to
“VDD5V” pin.
The following specification shows the allowable
operating ranges of LC75843UGA.
1. Connect the test setup shown in Figure 7.
2. Remove the all jump sockets of the JP5V, JPGND,
JP38K, JP300K, DT0, DT1, JPINH, JPCE, JPCL,
JPDI, JPUP, JPP1, JPP2, JPP3 and JPP4. However,
when the controller circuit in the evaluation board
is used, remove the jump sockets of the DT0 and
Parameter
Symbol
Min
Typ
Max
Unit
VDD
4.5
−
6.3
V
Power Supply Voltage for LC75843UGA
4. Supply the external clock to “OSCI” pin, and the
CCB serial data are transferred from a customer’s
original controller board to LCD driver IC.
Parameter
The following specification shows the allowable
operating ranges of LC75843UGA.
Symbol
Min
Typ
Max
Unit
Input High Level Voltage
VIH1
0.4 VDD
−
6.3
V
Input High Level Voltage
VIH2
0.4 VDD
−
6.3
V
Input Low Level Voltage
VIL1
0
−
0.2 VDD
V
Input Low Level Voltage
VIL2
0
−
0.2 VDD
V
CCB Serial Clock Operating Frequency
fCL
−
−
3.125
MHz
External Clock Operating Frequency
fCK
10
300
600
kHz
External Clock Duty Cycle
DCK
30
50
70
%
5. Confirm a result of LCD display and the LED
display controlled by the customer’s original
controller board. Then, the customer can confirm
the waveform of the common outputs (COM1 to
COM4), segment outputs (S5 to S24, S28) and
general-purpose port and segment outputs (S1/P1
to S4/P4).
JPDI, JPUP and JPP1 to JPP4). However, when
the controller circuit in the evaluation board is
used, insert the “DT0” jump socket and remove
the “DT1” jump socket. The switch does not need
to set because the switch on the evaluation board
are not used.
When the Customer’s Original LCD Panel of the 1/2 Duty Is
Used
When a customer uses the “Customer’s original LCD
panel”, because the segment allotments of the LCD panel are
different the control by the “Customer’s original controller
board” is necessary. When 1/2 duty drive mode,
LC75843UGA can drive the LCD up to 54 segments.
When the Customer’s Original LCD Panel of the 1/3 Duty Is
Used
When a customer uses the “Customer’s original LCD
panel”, because the segment allotments of the LCD panel are
different the control by the “Customer’s original controller
board” is necessary. When 1/3 duty drive mode,
LC75843UGA can drive the LCD up to 78 segments.
LCD Driver IC
(LC75843UGA)
COM1
S27/COM2
S26/COM3
COM1
COM2
COM3
S28
COM4/S25
S24
S26
S25
S24
S5
P4/S4
P3/S3
P2/S2
P1/S1
LCD Driver IC
(LC75843UGA)
Customer’s Original
LCD Panel
(1/3 duty)
3 x 26
= 78 segments
COM1
S27/COM2
COM1
COM2
S28
COM3/S26
COM4/S25
S24
S27
S26
S25
S24
S5
P4/S4
P3/S3
P2/S2
P1/S1
S5
S4
S3
S2
S1
Customer’s Original
LCD Panel
(1/2 duty)
2 x 27
= 54 segments
S5
S4
S3
S2
S1
1. Connect the test setup shown in Figure 7.
However, an LCD panel of the 1/2 duty is used.
2. Remove the all jump sockets of the JP5V, JPGND,
JP38K, JP300K, DT0, DT1, JPINH, JPCE, JPCL,
JPDI, JPUP, JPP1, JPP2, JPP3 and JPP4. However,
1. Connect the test setup shown in Figure 7.
However, an LCD panel of the 1/3 duty is used.
2. Remove the all jump sockets (JP5V, JPGND,
JP38K, JP300K, DT0, DT1, JPINH, JPCE, JPCL,
http://onsemi.com
10
LC75843UGAGEVB
when the controller circuit in the evaluation board
is used, insert the jump socket of the DT1 and
remove the jump socket of the DT0. The switch
does not need to set because the switch on the
evaluation board are not used.
1. Connect the test setup shown in Figure 7.
However, an LCD panel of the static (1/1 duty) is
used.
2. Remove the all jump sockets of the JP5V, JPGND,
JP38K, JP300K, DT0, DT1, JPINH, JPCE, JPCL,
JPDI, JPUP, JPP1, JPP2, JPP3 and JPP4. However,
when the controller circuit in the evaluation board
is used, insert the jump sockets of the DT0 and
DT1. The switch does not need to set because the
switch on the evaluation board are not used.
When the Customer’s Original LCD Panel of the Static
(1/1 Duty) Is Used
When a customer uses the “Customer’s original LCD
panel”, because the segment allotments of the LCD panel are
different the control by the “Customer’s original controller
board” is necessary. When static (1/1 duty) drive mode,
LC75843UGA can drive the LCD up to 28 segments.
LCD Driver IC
(LC75843UGA)
COM1
S28
COM2/S27
COM3/S26
COM4/S25
S24
S5
P4/S4
P3/S3
P2/S2
P1/S1
Customer’s Original
LCD Panel
(1/1 duty)
COM1
S28
S27
S26
S25
S24
1 x 28
= 28 segments
S5
S4
S3
S2
S1
http://onsemi.com
11
LC75843UGAGEVB
SCHEMATIC
Power Supply Circuit
For example,
+1.5 V Power Supply Circuit:
VOUT1 = 1.25 × (1 + 51 / 240) + 50 mA × 51 = 1.518 V
+3.3 V Power Supply Circuit:
VOUT2 = 1.25 × (1 + 390 / 240) + 50 mA × 390 = 3.301 V
+5.0 V Power Supply Circuit:
VOUT3 = 1.25 × (1 + (360+620) / 330) + 50 mA ×
(360 + 620) = 5.011 V
The power supply circuit of this evaluation board
generates three kinds of voltage by a linear regulator IC
(LM317) from the power supply voltage of 9 V inputted.
The +1.5 V power supply circuit is a power supply for FPGA
core, the +3.3 V power supply circuit is a power supply for
FPGA I/O and peripheral IC circuits, and the +5.0 V power
supply circuit is a power supply for LCD driver IC. The
linear regulator IC (LM317) can adjust the output voltage
from 1.2 V to 37 V by an external resistor.
The calculating formula of the output voltage:
VOUT = 1.25 × (1 + R2 / R1) + IADJ × R2 [V]
9Vin
IC1
(LM317EMP)
SW1
9V
3
VIN
GND
+1.5V
1.5V
2
VOUT
4
(POWER)
TABOUT
ADJ
+
Power supply for FPGA core
R1
(240ohm)
1
C1
(100uF)
C2
(0.1uF)
C3
(0.1uF)
R2
(51ohm)
C4
(10uF)
IC2
(LM317EMP)
3
+3.3V
3.3V
2
VIN
VOUT
4
TABOUT
ADJ
Power supply for FPGA I/O and
peripheral IC circuits
R3
(240ohm)
1
C5
(0.1uF)
R4
(390ohm)
C6
(10uF)
IC3
(LM317EMP)
3
+5.0V
5.0V
2
VIN
VOUT
4
TABOUT
ADJ
Power supply for LCD driver IC
R5
(330ohm)
1
R6
(360ohm)
C7
(0.1uF)
R7
(620ohm)
Figure 8. Schematic of Power Supply Circuit
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12
C8
(10uF)
D1
(MMSD4148)
LC75843UGAGEVB
Controller Circuit
from SW5 to SW23. In addition, PWM data from SW18 to
SW23 are set by pushing SW3 (PWM Set) depending on a
demonstration mode. Furthermore, the LCD display data for
various display and the general-purpose port data for LED
control are generated by a demonstration mode chosen by
SW2 (DEMO mode). The internal pull-up resistor function
of the input pins of FPGA are set to active.
The customer can confirm the operating conditions of the
internal circuit of an FPGA by an LED monitor (POW,
BUSY, SEND, INH, ERROR).
The controller circuit of this evaluation board controls
LCD driver IC (LC75843UGA) by CCB format serial data
(3 V interface) using FPGA. The crystal oscillator circuit
(50 [MHz]), power-on reset circuit, configuration ROM
circuit, connector for configuration, switch for condition
setting, LED monitor circuit and LCD driver IC interface are
connected to FPGA.
The LCD driver IC (LC75843UGA) has various control
data for condition setting. Serial data are transferred when
push SW4 (Command Set) after having set toggle switches
IC7
(KC7050B50.0000)
+3.3V
IC4 (1/3)
(EP1C3T144C8N)
+3.3V
R10
(1kohm)
4
1
VDD
R19
(100ohm)
INHX
C22
(0.1uF)
3
OUT
2
16
17
GND
93
C21
(1000pF)
92
CLK0
CLK1
20
nCEO
CLK3
7
1
2
3
[SW]
VDD
3
4
14
5
21
6
13
7
12
8
25
9
ASDO
10
SENSE
GND
CONFDONE
3.3V
nCONFIG
nCE
DATA
nCS
ASDIO
GND
RESINX
6
RESET
5
RESETX
GND
DCLK
R13
(10kohm)
CONTROL
4
1
2
3
4
5
6
C20
(10uF)
2
CONF_DONE
nCSO
CT
C19
(0.1uF)
CN1
1
86
DATA0
8
R18
(10kohm)
R12
(10kohm)
DCLK
nCE
IC6
(TLC7733ID)
+3.3V
R9
(1kohm)
24
CLK2
nCONFIG
+3.3V
R11
(10kohm)
7
10
11
26
27
28
31
32
IC5
(EPCS1SI8)
IO
IO
IO
1
IO
2
IO
6
IO
5
3
CSX
VCC1
DATA0
VCC2
DCLK
VCC3
GND
IO
IO
IO
IO
+3.3V
IO
IO
R14
(10kohm)
90
TDO
TDI
TMS
TCK
23
MSEL1
8
4
IO
MSEL0
7
ASDI
IO
22
+3.3V
R15
(10kohm)
95
89
88
87
nSTATUS
R17
(10kohm)
NOTE: The part with a square bracket is not implemented on a board. ([SW])
Figure 9. Schematic of Controller Circuit (1/2)
http://onsemi.com
13
R16
(10kohm)
C18
(0.1uF)
LC75843UGAGEVB
IC4 (2/3)
(EP1C3T144C8N)
IC4 (3/3)
(EP1C3T144C8N)
SW2
(DEMO mode)
+1.5V
1
C
C
34
8
35
2
36
IO
IO
15
VCCAPLL1
IO
83
C9
(0.1uF)
IO
IO
IO
4
R8
(10ohm)
82
33
84
INHOUT
IO
18
85
CEOUT
IO
GNDAPLL1
91
CLOUT
IO
SW5 (PF0)
DIOUT
IO
38
GNDGPLL1
96
IO
JPDT0 (DT0)
19
94
37
IO
IO
CLK300K
97
IO
SW6 (PF1)
46
98
39
CLK38K
IO
VCCINT
IO
JPDT1 (DT1)
40
41
42
47
48
SW7 (PF2)
[SW]
IO
IO
117
IO
135
VCCINT
50
IO
IO
54
IO
IO
55
IO
IO
56
IO
IO
57
IO
IO
58
IO
SW13 (P1)
IO
IO
53
IO
SW19 (W1)
IO
IO
52
IO
SW12 (FC3)
IO
IO
51
IO
SW18 (W0)
C11
(0.1uF)
99
IO
SW11 (FC2)
GND
49
IO
SW10 (FC1)
63
IO
IO
SW9 (FC0)
IO
136
GND
103
104
105
106
107
+3.3V
108
109
8
[TH]
110
VCCIO1
[TH]
111
C12
(0.1uF)
[TH]
112
GND
114
119
29
120
VCCIO1
121
C13
(0.1uF)
122
62
SW14 (EXF)
67
IO
IO
123
124
125
IO
SW22 (W4)
70
126
IO
SW16 (SC)
IO
71
IO
SW23 (W5)
127
IO
72
IO
SW17 (BU)
128
73
LED7
(ERROR)
43
GND
R22 (1kohm)
C
A
C
A
C
A
LED6
(INH)
VCCIO4
C14
(0.1uF)
A
LED3
(SEND)
IO
VCCIO4
66
R21 (1kohm)
C
68
44
A
LED2
(BUSY)
IO
69
GND
R20 (1kohm)
C
IO
SW15 (OC)
LED1
(POW)
IO
IO
IO
SW21 (W3)
30
+3.3V
60
61
9
113
IO
59
VCCINT
118
GND
100
IO
SW20 (W2)
VCCINT
45
IO
IO
[SW]
64
GND
IO
IO
SW8 (PF3)
C10
(0.1uF)
65
GND
R47 (1kohm)
81
VCCIO3
R48 (1kohm)
C15
(0.1uF)
80
GND
[R]
[LED]
IO
102
IO
SW3
(PWM Set)
VCCIO3
129
IO
74
IO
IO
IO
IO
IO
SW4
(Command Set)
IO
IO
75
76
77
78
79
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
C16
(0.1uF)
130
101
GND
131
132
133
134
115
VCCIO2
139
C17
(0.1uF)
140
141
VCCIO2
116
GND
142
138
GND
143
144
137
[PAD]
[PAD]
NOTE: The part with a square bracket is not implemented on a board. ([SW], [LED], [R], [TH], [PAD])
Figure 10. Schematic of Controller Circuit (2/2)
http://onsemi.com
14
LC75843UGAGEVB
LCD Driver IC Circuit
signal by setting of control data of the LCD driver IC. When
OC is set to L(0), insert the jump socket of the JPGND.
When OC is set to H(1) and EXF is set to L(0), insert the
jump socket of the JP300K. When OC is set to H(1) and EXF
is set to H(1), insert the jump socket of the JP38K.
The resistors from R23 to R29 are the dumping resistance
for waveform shaping. In addition, when waveform shaping
is more necessary, connect a condenser (for example, from
100 to 1000 pF) to [C]. The resistors from R30 to R34 are
pull-down resistor to protect a circuit when a jump socket
was removed.
The LCD driver circuit of this evaluation board uses
LC75843UGA. The power supply and the control signal
supplied from the controller circuit can separate it by
removing a jump socket. Thereby, the customer can supply
a power supply and a control signal from the external.
The power supply of the LCD driver IC is supplied +5 V
voltage by the power supply circuit of this evaluation board.
When customer evaluate the voltage other than +5 V,
remove the jump socket of the JP5V, and supply power
supply to “VDD5V” pin. Insert only one jump socket in
a socket pin of the JPGND, JP38K or JP300K for OSCI
LSI
(LC75843UGA)
SP5V (Red)
VDD5V
30
1
VDD
+5.0V
JP5V
GND1
GND2
GND3
S1/P1
S1/P1
2
C24
(0.1uF)
S2/P2
31
S2/P2
3
VSS
S3/P3
S3/P3
4
S4/P4
S4/P4
5
S5
S5
6
S6
OSCI
S6
7
R23
(390ohm)
[TH]
S7
32
S7
8
OSCI
S8
S8
9
R24
(390ohm)
[C]
S9
R30
(100kohm)
S9
10
S10
CLK300K
S10
11
S11
JP300K
S11
12
R25
(390ohm)
S12
S12
13
CLK38K
S13
S13
14
JP38K
S14
S14
15
SPOSCI (Blue)
S15
S15
16
S16
JPGND
S16
17
D2
(MMSD4148)
S17
S17
18
S18
SPINH (White)
INH
S18
19
R26
(30kohm)
[TH]
S19
S19
20
33
INHOUT
INH
S20
S20
21
JPINH
C25
(10uF)
S21
R31
(100kohm)
S21
22
S22
S22
23
S23
SPCE (White)
CE
S23
24
R27
(390ohm)
[TH]
S24
S24
25
34
CEOUT
CE
S25/COM4
S25/COM4
26
JPCE
[C]
S26/COM3
R32
(100kohm)
S26/COM3
27
S27/COM2
S27/COM2
28
COM1
SPCL (White)
CL
COM1
29
R28
(390ohm)
[TH]
S28
35
CLOUT
CL
JPCL
[C]
SPDI (White)
R33
(100kohm)
DI
R29
(390ohm)
[TH]
DIOUT
36
DI
JPDI
[C]
R34
(100kohm)
NOTE: The part with a square bracket is not implemented on a board. ([C], [TH])
Figure 11. Schematic of LCD Driver IC Circuit
http://onsemi.com
15
S28
LC75843UGAGEVB
LCD Panel Circuit
Because S28 output is connected to twelve segments of the
LCD panel, the customer can confirm the waveform of big
load. About the segment allotment of the LCD panel, refer
to “LCD Panel Segment Allotment”.
When customer evaluate the display system using the
customer’s original LCD panel, remove an inserted LCD
panel, and connect a customer’s original LCD panel.
The LCD panel circuit of this evaluation board uses
a socket pin, and LCD panel made in varitronix is inserted
there. The specifications of the LCD panel are four common
pins, 32 segment pins, twisted nematic (TN) type, reflection
type, alphanumeric character display and 70.00 mm ×
25.00 mm × 2.80 mm.
Four common output signals and 21 segment output
signals of the LCD driver IC are connected to an LCD panel.
LCD
(VIM−828−DP5.7−6−HV−RH−W)
CN2
1
S25/COM4
COM3
COM1
S1
S32
S2
S31
S3
S30
S4
S29
S5
S28
S6
S27
S7
S26
S8
S25
34
3
33
4
32
5
31
6
30
7
8
29
9
S6
S27/COM2
35
2
S5
CN5
36
S15
28
S16
CN3
CN4
10
S7
27
S9
S24
S10
S23
S11
S22
S12
S21
S13
S20
S14
S19
S15
S18
S16
S17
11
S8
12
S9
S23
20
S24
19
18
S26/COM3
S22
21
17
S14
S21
22
16
S13
S20
23
15
S12
S19
24
14
S11
S18
25
13
S10
S17
26
COM0
COM2
S28
Figure 12. Schematic of LCD Panel Circuit
http://onsemi.com
16
COM1
LC75843UGAGEVB
LED Circuit
output, remove the jump sockets from JPP1 to JPP4. The
resistors from R35 to R38 are pull-down resistor to protect
a circuit when a jump socket was removed.
The calculating formula of the LED current:
IF = (VOUP − VF − Vsat) / R [A]
For example,
LED5 (P1):
IF1 = (5 − 1.9 − 0.1) / 200 = 15.0 mA
LED4 (P2(R)): IF2 = (5 − 2.0 − 0.1) / 200 = 14.5 mA
LED4 (P3(G)): IF3 = (5 − 3.5 − 0.1) / 91 = 15.4 mA
LED4 (P4(B)): IF4 = (5 − 3.6 − 0.1) / 82 = 15.8 mA
The LED circuit of this evaluation board uses a single
color LED and three color (RGB) LED. The LED is
controlled by the general-purpose port output of LCD driver
IC (LC75843UGA). The general-purpose port output has up
to four, and brightness adjustment (64 steps) is possible by
PWM output function of up to 3-channel.
The pull-up power supply of the LED is supplied +5 V
voltage by the power supply circuit of this evaluation board.
When customer evaluate the voltage other than +5 V,
remove the jump socket of the JPUP, and supply pull-up
power supply to “VOUP” pin.
When customer uses general-purpose port outputs (S1/P1
to S4/P4) of LCD driver IC (LC75843UGA) as a segment
SPUP (Red)
VOUP
+5V
JPUP
+
GND4
C23
(100uF)
LED5
(P1)
(Orange)
A
[LED] x3
C
R43
(200ohm)
SPP1 (Green)
R39
(1kohm)
TR1
(2SC2712)
S1/P1
LED4
R35
(100kohm)
JPP1
SPP2 (Green)
R44
(200ohm)
R40
(1kohm)
1
(Red)
2
TR2
(2SC2712)
S2/P2
(P2(R))
R36
(100kohm)
JPP2
SPP3 (Green)
R45
(91ohm)
R41
(1kohm)
4
(Green)
TR3
(2SC2712)
S3/P3
(P3(G))
R37
(100kohm)
JPP3
SPP4 (Green)
R46
(82ohm)
R42
(1kohm)
3
(Blue)
TR4
(2SC2712)
(P4(B))
S4/P4
JPP4
R38
(100kohm)
NOTE: The part with a square bracket is not implemented on a board. ([LED])
Figure 13. Schematic of LED Circuit
http://onsemi.com
17
LC75843UGAGEVB
PIN FUNCTIONS
Table 2. PIN FUNCTIONS OF LC75843UGA EVALUATION BOARD (LC75843UGAGEVB)
Pin Name
Functions
I/O
Control Jump Socket
VDD5V
Power supply pin for LCD driver IC (LC75843UGA).
When supply the power supply voltage from the external, remove the jump socket
of the JP5V. When the power supply circuit in the evaluation board is used, the
+5.0 [V] voltage is outputted.
I/O
JP5V
VOUP
Pull-up power supply pin for LED.
When supply the pull-up power supply voltage from the external, remove the jump
socket of the JPUP. When the power supply circuit in the evaluation board is used,
the +5.0 [V] voltage is outputted.
I/O
JPUP
GND
Ground pin.
Must be connected to ground of all external equipments.
OSCI
External clock input pin.
When OC is set to L(0), insert the jump socket of the JPGND.
When OC is set to H(1) and EXF is set to L(0), insert the jump socket of the JP300K.
When OC is set to H(1) and EXF is set to H(1), insert the jump socket of the JP38K.
I/O
JPGND,
JP38K,
JP300K
INH
Display forced off control input pin.
When input the INH signal from the external, remove the jump socket of the JPINH.
I/O
JPINH
CE
Chip enable signal input pin of the CCB format.
When input the CE signal from the external, remove the jump socket of the JPCE.
I/O
JPCE
CL
Synchronization clock signal input pin of the CCB format.
When input the CL signal from the external, remove the jump socket of the JPCL.
I/O
JPCL
DI
Serial data signal input pin of the CCB format.
When input the DI signal from the external, remove the jump socket of the JPDI.
I/O
JPDI
S1/P1 to S4/P4
Segment outputs or general-purpose port outputs pin.
The pins from S1/P1 to S4/P4 can be used as a general-purpose port output by
setting of CCB serial data. When the general-purpose port output is used for a
segment function in the evaluation environment of the customer’s original, remove
the jump sockets from JPP1 to JPP4.
O
JPP1 to JPP4
S5 to S24, S28
Segment output pins.
O
−
COM1
Common output pin.
O
−
Common output or segment output pins.
The pins from COM2/S27 to COM4/S25 can be used as a segment output by setting
of CCB serial data.
O
−
COM2/S27,
COM3/S26,
COM4/S25
http://onsemi.com
18
−
−
LC75843UGAGEVB
SETTING METHOD OF THE SWITCH
“DEMO Mode” Rotary Switch
controller control. The customer can select various
demonstration contents by the “DEMO mode” rotary
switch. The following tables shows the setting contents of
the “DEMO mode” rotary switch.
When the jump sockets of the DT0 and DT1 were set for
the setting that was not 1/4 duty drive, the “DEMO mode”
can use only a mode of “0”, “1”, “4” and “5”. In addition,
when “DEMO mode” was set to “2”, “3”, “6”, “7”, “8” and
“9”, the controller is ignored without operating.
This evaluation board has the demonstration mode which
automatically performs LCD display and LED control by
Table 3. SETTING CONTENTS OF THE “DEMO MODE” ROTARY SWITCH
“DEMO Mode”
Rotary Switch
Demonstration
Item
0
All OFF Test
All segments are off.
All LED turn off the light.
1
All ON Test
All segments are on.
All LED turn on the light.
(100% brightness)
2
LCD Display Test (1)
The LCD displays a “01234”.
All LED turn off the light.
3
LCD Display Test (2)
The LCD displays a “AbcdE”.
All LED turn off the light.
4
Segment Test
The segment of the LCD
displays on in turn.
LED does on in turn.
5
Common Test
LCD segment corresponding
to same COM are all on.
When COM1 is on, LED turn on
the light.
6
LED (PWM) Test (1)
The LCD displays a “PWM_1”
and a PWM duty value.
Any PWM duty are selected by
the switches from W0 to W5.
(LED1 to LED3 can set same duty)
7
LED (PWM) Test (2)
The LCD displays a “PWM_2”
and a PWM channel number.
Any PWM duty are selected by
the switches from W0 to W5.
(LED1 to LED3 can set each duty)
8
Demonstration (1)
LCD number display count
ups every second.
LED does on in turn every second.
LCD Display Contents
LED Control Contents
to
9
Demonstration (2)
The LCD displays a “AUTO”
and a PWM duty value.
PWM duty changes every 100 ms
to
http://onsemi.com
19
LC75843UGAGEVB
Toggle Switch and Push Switch Allotment
The LCD driver IC (LC75843UGA) has various control
data for condition setting. Serial data are transferred when
push SW4 (Command Set) after having set toggle switches
from SW5 (PF0) to SW23 (W5). In addition, PWM data
from SW18 (W0) to SW23 (W5) are set by pushing SW3
(PWM Set) depending on a demonstration mode.
Table 4. SETTING CONTENTS OF THE TOGGLE SWITCH
Functions
Control Data of the LCD
Driver IC (LC75843UGA)
Parts Symbol
Silk Characters
SW5
PF0
SW6
PF1
SW7
PF2
PF2
SW8
PF3
PF3
The switches for setting of the PWM output waveform frame
frequency
The switches for setting of the common/segment output
waveform frame frequency
PF0
PF1
SW9
FC0
SW10
FC1
SW11
FC2
FC2
SW12
FC3
FC3
SW13
P1
SW14
EXF
The switch for setting of the external clock operating
frequency
EXF
SW15
OC
The switch for setting of the internal oscillator operating
mode/external clock operating mode
OC
SW16
SC
The switch for setting of the on/off state of the segments
SC
The switch for setting of the general-purpose output port
(S1/P1) function
FC0
FC1
D1, PS10, PS11
SW17
BU
The switch for setting of the normal mode/power-saving mode
BU
SW18 to SW23
W0 to W5
The switches for setting of the PWM data of the PWM output
W0 to W5
JPDT0, JPDT1
DT0, DT1
The sockets for setting of the LCD drive scheme
(1/1 to 1/4 duty drive)
DT0, DT1
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LC75843UGAGEVB
EXPLANATION OF THE SWITCHES OF SETTING THE CONTROL DATA
The Switches for Setting of the PWM Output Waveform Frame Frequency (PF0 to PF3)
Table 5. EXPLANATION OF THE PF0 TO PF3 TOGGLE SWITCH
PF0
PF1
PF2
PF3
Internal Oscillator
Operating Mode
(fosc = 300 [kHz] typ.)
(OC = “L(0)”)
L(0)
L(0)
L(0)
L(0)
195 [Hz]
195 [Hz]
H(1)
L(0)
L(0)
L(0)
213 [Hz]
213 [Hz]
L(0)
H(1)
L(0)
L(0)
234 [Hz]
234 [Hz]
H(1)
H(1)
L(0)
L(0)
260 [Hz]
260 [Hz]
Switches
300 [kHz] External Clock
Operating Mode
(OC = “H(1)”, EXF = “L(0)”)
L(0)
L(0)
H(1)
L(0)
293 [Hz]
293 [Hz]
H(1)
L(0)
H(1)
L(0)
335 [Hz]
335 [Hz]
L(0)
H(1)
H(1)
L(0)
390 [Hz]
390 [Hz]
H(1)
H(1)
H(1)
L(0)
469 [Hz]
469 [Hz]
L(0)
L(0)
L(0)
H(1)
586 [Hz]
586 [Hz]
H(1)
L(0)
L(0)
H(1)
781 [Hz]
781 [Hz]
L(0)
H(1)
L(0)
H(1)
1171 [Hz]
1171 [Hz]
H(1)
H(1)
L(0)
H(1)
L(0)
L(0)
H(1)
H(1)
H(1)
L(0)
H(1)
H(1)
335 [Hz]
335 [Hz]
L(0)
H(1)
H(1)
H(1)
H(1)
H(1)
H(1)
H(1)
38 [kHz] External Clock
Operating Mode
(OC = “H(1)”, EXF = “H(1)”)
When OC = “1” and EXF = “1”
were set to the LCD driver IC,
because the LCD driver IC
cannot use PWM output
function, this setting is
ignored.
The Switches for Setting of the Common/Segment Output Waveform Frame Frequency (FC0 to FC3)
Table 6. EXPLANATION OF THE FC0 TO FC3 TOGGLE SWITCH
FC0
FC1
FC2
FC3
Internal Oscillator
Operating Mode
(fosc = 300 [kHz] typ.)
(OC = “L(0)”)
L(0)
L(0)
L(0)
L(0)
49 [Hz]
49 [Hz]
49 [Hz]
L(0)
L(0)
L(0)
H(1)
56 [Hz]
56 [Hz]
56 [Hz]
L(0)
L(0)
H(1)
L(0)
65 [Hz]
65 [Hz]
66 [Hz]
L(0)
L(0)
H(1)
H(1)
78 [Hz]
78 [Hz]
79 [Hz]
L(0)
H(1)
L(0)
L(0)
87 [Hz]
87 [Hz]
88 [Hz]
L(0)
H(1)
L(0)
H(1)
97 [Hz]
97 [Hz]
99 [Hz]
L(0)
H(1)
H(1)
L(0)
111 [Hz]
111 [Hz]
113 [Hz]
L(0)
H(1)
H(1)
H(1)
130 [Hz]
130 [Hz]
132 [Hz]
H(1)
L(0)
L(0)
L(0)
142 [Hz]
142 [Hz]
144 [Hz]
H(1)
L(0)
L(0)
H(1)
156 [Hz]
156 [Hz]
158 [Hz]
H(1)
L(0)
H(1)
L(0)
173 [Hz]
173 [Hz]
176 [Hz]
H(1)
L(0)
H(1)
H(1)
195 [Hz]
195 [Hz]
198 [Hz]
H(1)
H(1)
L(0)
L(0)
223 [Hz]
223 [Hz]
226 [Hz]
H(1)
H(1)
L(0)
H(1)
260 [Hz]
260 [Hz]
264 [Hz]
H(1)
H(1)
H(1)
L(0)
312 [Hz]
312 [Hz]
316 [Hz]
H(1)
H(1)
H(1)
H(1)
390 [Hz]
390 [Hz]
396 [Hz]
Switches
300 [kHz] External Clock
Operating Mode
(OC = “H(1)”, EXF = “L(0)”)
38 [kHz] External Clock
Operating Mode
(OC = “H(1)”, EXF = “H(1)”)
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LC75843UGAGEVB
The Switch for Setting of the General-purpose Output Port (S1/P1) Function (P1)
Table 7. EXPLANATION OF THE P1 TOGGLE SWITCH
Control Data of the LCD Driver IC
(LC75843UGA)
Switch
P1
D1
PS10
PS10
Operating Contents
L(0)
0
0
0
The LED(P1) is Turned Off
H(1)
1
0
0
The LED(P1) is Turned On
The Switch for Setting of the Internal Oscillator Operating Mode/External Clock Operating Mode (OC and EXF)
Table 8. EXPLANATION OF THE OC AND EXF TOGGLE SWITCH
Switches
OC
EXF
Clock Operating Mode
Control Jump Socket
L(0)
L(0)
Internal Oscillator Operating Mode
Insert the Jump Socket of the JPGND
L(0)
H(1)
H(1)
L(0)
300 [kHz] External Clock Operating Mode
Insert the Jump Socket of the JP300K
H(1)
H(1)
38 [kHz] External Clock Operating Mode
insert the Jump Socket of the JP38K
The Switch for Setting of the On/Off State of the Segments (SC)
Table 9. EXPLANATION OF THE SC TOGGLE SWITCH
Switch
SC
Operating Contents
L(0)
Normal Display
H(1)
All Segments are OFF Waveform Drive
The Switch for Setting of the Normal Mode/Power-saving Mode (BU)
Table 10. EXPLANATION OF THE BU TOGGLE SWITCH
Switch
BU
Operating Contents
L(0)
Normal Mode
H(1)
Power Saving Mode
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The Switches for Setting of the PWM Data of the PWM Output (W0 to W5)
Table 11. EXPLANATION OF THE W0 TO W5 TOGGLE SWITCH
Switches
W0
W1
W2
W3
W4
W5
PWM Duty of the General-purpose Port Output
L(0)
L(0)
L(0)
L(0)
L(0)
L(0)
1/64 (1.56%)
H(1)
L(0)
L(0)
L(0)
L(0)
L(0)
2/64 (3.12%)
L(0)
H(1)
L(0)
L(0)
L(0)
L(0)
3/64 (4.69%)
H(1)
H(1)
L(0)
L(0)
L(0)
L(0)
4/64 (6.25%)
L(0)
L(0)
H(1)
L(0)
L(0)
L(0)
5/64 (7.81%)
H(1)
L(0)
H(1)
L(0)
L(0)
L(0)
6/64 (9.38%)
L(0)
H(1)
H(1)
L(0)
L(0)
L(0)
7/64 (10.94%)
H(1)
H(1)
H(1)
L(0)
L(0)
L(0)
8/64 (12.50%)
L(0)
L(0)
L(0)
H(1)
L(0)
L(0)
9/64 (14.06%)
H(1)
L(0)
L(0)
H(1)
L(0)
L(0)
10/64 (15.62%)
L(0)
H(1)
L(0)
H(1)
L(0)
L(0)
11/64 (17.19%)
H(1)
H(1)
L(0)
H(1)
L(0)
L(0)
12/64 (18.75%)
L(0)
L(0)
H(1)
H(1)
L(0)
L(0)
13/64 (20.31%)
H(1)
L(0)
H(1)
H(1)
L(0)
L(0)
14/64 (21.87%)
L(0)
H(1)
H(1)
H(1)
L(0)
L(0)
15/64 (23.44%)
H(1)
H(1)
H(1)
H(1)
L(0)
L(0)
16/64 (25.00%)
L(0)
L(0)
L(0)
L(0)
H(1)
L(0)
17/64 (26.56%)
H(1)
L(0)
L(0)
L(0)
H(1)
L(0)
18/64 (28.12%)
L(0)
H(1)
L(0)
L(0)
H(1)
L(0)
19/64 (29.69%)
H(1)
H(1)
L(0)
L(0)
H(1)
L(0)
20/64 (31.25%)
L(0)
L(0)
H(1)
L(0)
H(1)
L(0)
21/64 (32.81%)
H(1)
L(0)
H(1)
L(0)
H(1)
L(0)
22/64 (34.37%)
L(0)
H(1)
H(1)
L(0)
H(1)
L(0)
23/64 (35.94%)
H(1)
H(1)
H(1)
L(0)
H(1)
L(0)
24/64 (37.50%)
L(0)
L(0)
L(0)
H(1)
H(1)
L(0)
25/64 (39.06%)
H(1)
L(0)
L(0)
H(1)
H(1)
L(0)
26/64 (40.62%)
L(0)
H(1)
L(0)
H(1)
H(1)
L(0)
27/64 (42.19%)
H(1)
H(1)
L(0)
H(1)
H(1)
L(0)
28/64 (43.75%)
L(0)
L(0)
H(1)
H(1)
H(1)
L(0)
29/64 (45.31%)
H(1)
L(0)
H(1)
H(1)
H(1)
L(0)
30/64 (46.87%)
L(0)
H(1)
H(1)
H(1)
H(1)
L(0)
31/64 (48.44%)
H(1)
H(1)
H(1)
H(1)
H(1)
L(0)
32/64 (50.00%)
L(0)
L(0)
L(0)
L(0)
L(0)
H(1)
33/64 (51.56%)
H(1)
L(0)
L(0)
L(0)
L(0)
H(1)
34/64 (53.12%)
L(0)
H(1)
L(0)
L(0)
L(0)
H(1)
35/64 (54.69%)
H(1)
H(1)
L(0)
L(0)
L(0)
H(1)
36/64 (56.25%)
L(0)
L(0)
H(1)
L(0)
L(0)
H(1)
37/64 (57.81%)
H(1)
L(0)
H(1)
L(0)
L(0)
H(1)
38/64 (59.37%)
L(0)
H(1)
H(1)
L(0)
L(0)
H(1)
39/64 (60.94%)
H(1)
H(1)
H(1)
L(0)
L(0)
H(1)
40/64 (62.50%)
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Table 11. EXPLANATION OF THE W0 TO W5 TOGGLE SWITCH (continued)
Switches
W0
W1
W2
W3
W4
W5
PWM Duty of the General-purpose Port Output
L(0)
L(0)
L(0)
H(1)
L(0)
H(1)
41/64 (64.06%)
H(1)
L(0)
L(0)
H(1)
L(0)
H(1)
42/64 (65.62%)
L(0)
H(1)
L(0)
H(1)
L(0)
H(1)
43/64 (67.19%)
H(1)
H(1)
L(0)
H(1)
L(0)
H(1)
44/64 (68.75%)
L(0)
L(0)
H(1)
H(1)
L(0)
H(1)
45/64 (70.31%)
H(1)
L(0)
H(1)
H(1)
L(0)
H(1)
46/64 (71.87%)
L(0)
H(1)
H(1)
H(1)
L(0)
H(1)
47/64 (73.44%)
H(1)
H(1)
H(1)
H(1)
L(0)
H(1)
48/64 (75.00%)
L(0)
L(0)
L(0)
L(0)
H(1)
H(1)
49/64 (76.56%)
H(1)
L(0)
L(0)
L(0)
H(1)
H(1)
50/64 (78.12%)
L(0)
H(1)
L(0)
L(0)
H(1)
H(1)
51/64 (79.69%)
H(1)
H(1)
L(0)
L(0)
H(1)
H(1)
52/64 (81.25%)
L(0)
L(0)
H(1)
L(0)
H(1)
H(1)
53/64 (82.81%)
H(1)
L(0)
H(1)
L(0)
H(1)
H(1)
54/64 (84.37%)
L(0)
H(1)
H(1)
L(0)
H(1)
H(1)
55/64 (85.94%)
H(1)
H(1)
H(1)
L(0)
H(1)
H(1)
56/64 (87.50%)
L(0)
L(0)
L(0)
H(1)
H(1)
H(1)
57/64 (89.06%)
H(1)
L(0)
L(0)
H(1)
H(1)
H(1)
58/64 (90.62%)
L(0)
H(1)
L(0)
H(1)
H(1)
H(1)
59/64 (92.19%)
H(1)
H(1)
L(0)
H(1)
H(1)
H(1)
60/64 (93.75%)
L(0)
L(0)
H(1)
H(1)
H(1)
H(1)
61/64 (95.31%)
H(1)
L(0)
H(1)
H(1)
H(1)
H(1)
62/64 (96.87%)
L(0)
H(1)
H(1)
H(1)
H(1)
H(1)
63/64 (98.44%)
H(1)
H(1)
H(1)
H(1)
H(1)
H(1)
64/64 (100.00%)
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LC75843UGAGEVB
EXPLANATION OF THE JUMP SOCKETS OF SETTING THE CONTROL DATA
The Sockets for Setting of the LCD Drive Scheme
(1/1 to 1/4 Duty Drive) (DT0 and DT1)
When the controller circuit in the evaluation board and the
1/3 duty LCD panel are used, insert the jump socket of the
DT0 and remove the jump socket of the DT1.
When the controller circuit in the evaluation board and the
1/2 duty LCD panel are used, insert the jump socket of the
DT1 and remove the jump socket of the DT0.
When the controller circuit in the evaluation board and the
static (1/1 duty) LCD panel are used, insert the jump sockets
of the DT0 and DT1.
When the jump sockets of the DT0 and DT1 were set for
the setting that was not 1/4 duty drive, the “DEMO mode”
can use only a mode of “0”, “1”, “4” and “5”. In addition,
when “DEMO mode” was set to “2”, “3”, “6”, “7”, “8” and
“9”, the controller is ignored without operating, and the LED
of the “ERROR” is turned on.
When a customer uses the “Customer’s original LCD
panel”, because the segment allotments of the LCD panel are
different the control by the “Customer’s original controller
board” is necessary.
When the controller circuit in the evaluation board and the
1/4 duty LCD panel are used, remove the jump sockets of the
DT0 and DT1.
Table 12. EXPLANATION OF THE DT0 AND DT1 JUMP SOCKETS
Control Data of the LCD Driver IC
(LC75843UGA)
Jump Sockets
DT0
DT1
DT0
DT1
Operating Contents
Remove
Remove
0
0
1/4 Duty Drive Scheme
Insert
Remove
1
0
1/3 Duty Drive Scheme
Remove
Insert
0
1
1/2 Duty Drive Scheme
Insert
Insert
1
1
Static (1/1 Duty) Drive Scheme
EXPLANATION OF THE LED MONITOR OF THE CONTROLLER CIRCUIT
The LED monitor circuit is connected to FPGA. The
customer can confirm the operating conditions of the
internal circuit of an FPGA by an LED monitor of the POW,
BUSY, SEND, INH and ERROR.
Table 13. EXPLANATION OF THE LED MONITOR
Symbol
Functions
POW
LED monitor for main power supply ON/OFF.
The power supply is supplied by moving “POWER” switch to the “ON” position, and the LED of the
“POW” is turned on when FPGA operated normally.
BUSY
LED monitor for during the demonstration.
The automatic demonstration mode is selected by moving “DEMO mode” switch to the “8” or “9”
positions, and the LED of the “BUSY” is turned on when a demonstration is started.
SEND
LED monitor for CCB serial data transfer.
The LED of the “SEND” is turned on when the CCB serial data are transferred by a demonstration or
pushing the switches of the “Command Set” or “PWM Set”.
INH
LED monitor for INH signal state.
The LED of the “INH” is turned on when INH output is outputted to high level.
ERROR
LED monitor for the setting state error of the switches.
The LED of the “ERROR” is turned on, when the setting of the switch of the “DEMO mode” and the
setting of the jump socket of the “Duty” included an error.
At the time of error, the CCB serial data are not transferred even if pushing the switches of the
“Command Set” or “PWM Set”.
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ABOUT THE PERIPHERAL CIRCUITS OF THE INH SIGNAL
The INH signal after turning on the power supply is
outputted to low level. After having pushed the first
“Command Set” switch at the time of state that the INH
signal is low level, the CCB serial data is transferred.
Afterwards, the INH signal is outputted to high level. In
addition, the INH signal is outputted to low level when
pushes the switch of “Command Set” and the switch of
“PWM Set” at the same time more than two seconds. At this
time, the setting of CCB serial data is kept.
more than 2 seconds
1st Push
1st Push
“Command Set”
switch
Push
Push
“PWM Set”
switch
Push
POWER : ON
VDD5V
INH
CE
ÏÏ
ÏÏ
CL
DI
ÏÏÏ
ÏÏÏ
ÏÏÏ
ÏÏÏ
Figure 14. Timing of the INH Signal Control
Pulse width just after the power supply on
: t1 = about 100 [ms]
However, when during execution of the reset just after the
power supply (Before execution of the configuration) and
during execution of the configuration, the user I/O pin of
FPGA used by the controller circuit of this evaluation board
is the specifications that high level is outputted (the user I/O
pin are used for CE, CL, DI, INH and the OSCI output).
When the INH signal is high level, the LCD driver IC
becomes the display ON state. This may cause false display
of the LCD.
This evaluation board constitutes CR filter circuit by
resistor (R26) and capacitor (C25), and the INH signal pulse
just after power supply on is removed. When falling of the
INH signal or falling of the power supply, diode (D2) is used
to rapidly discharge the electric charge of the capacitor. The
resistor (R31) is pull-down resistor to protect a circuit when
a jump socket was removed.
FPGA
SPINH
(White)
The specifications of the input low level of the INH signal
: VIL = 0.2 VDD [V](max)
Output signal level of FPGA
: VOFPGA = 3.3 [V]
Power supply voltage of the LCD driver IC
: VDD = 5.0 [V]
The calculation example of CR filter circuit using
resistance value and capacitance value is shown in the
following equations.
R
D2
(MMSD4148)
LCD Driver IC
INH
INH
INHOUT
JPINH
ȡ
ȧǒ
Ȣln
C+*
+*
R26
(30kohm)
C25
(10uF)
ǒ1 * å*ǒ1ńRCǓ tǓ [V]
V IL + V OFPGA
ǒ
t1
V
*V
IL
OFPGA
V
OFPGA
0.1
lnǒ3.3*0.2
3.3
5
ȣ
+
Ǔȧ
Ȥ
Ǔ
Ǔ
+ 0.277
For example, when capacitor (C25) is 10 mF, resistor
(R26) is 27.7 kW ... Consequently, 30 kW choice.
R31
(100kohm)
Figure 15. Peripheral Circuit of the INH Signal
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LC75843UGAGEVB
The rise time to the input High level of the INH signal is
shown in the following equations.
The input high level of the INH signal input into an LCD
driver IC is shown in the following equations.
ǒ1 * å*ǒ1ńRCǓ tǓ [V]
V IL + V OFPGA
ǒ
t1 + * R
C
ǒ
+ * 30
ln
10 3
ǒV V
OFPGA
10
V IH +
* V IL
OFPGA
10 *6
ǓǓ +
ǒ
ln 3.3 * 0.4
3.3
R31
R26 ) R31
V OFPGA +
100
30 ) 100
3.3 + 2.54 V
ǓǓ +
5
+ 279.5 ms
Power off
Power off
Power on
VDD5V
VDD5V
CE
CE
3.3V
Power on
2.5V
INH
VIH=0.4VDD
INH
VIL=0.2VDD
Discharge
Pulse is
removed
Discharge
90ms
Figure 16. INH Signal Pulse Just After the Power
Supply (FPGA Output)
Figure 17. INH Signal Pulse Just After the Power
Supply (LCD Driver IC Input)
ABOUT THE PERIPHERAL CIRCUITS OF THE CCB SERIAL DATA SIGNALS (CE, CL, DI)
The resistors from R27 to R29 are the dumping resistance
for waveform shaping. In addition, when waveform shaping
is more necessary, connect a condenser (for example, from
100 to 1000 pF) to [C]. The resistors from R32 to R34 are
pull-down resistor to protect a circuit when a jump socket
was removed.
FPGA
LCD driver IC
SPCE
(White)
CE
R27
(390ohm)
CEOUT
CE
JPCE
SPCL
(White)
[C]
CL
R32
(100kohm)
R28
(390ohm)
CLOUT
CL
JPCL
SPDI
(White)
[C]
DI
R33
(100kohm)
R29
(390ohm)
DIOUT
DI
JPDI
[C]
R34
(100kohm)
Figure 18. Peripheral Circuit of the CCB Serial Data Transfer Signal
http://onsemi.com
27
LC75843UGAGEVB
CE
CE
VIH=0.4VDD
VIL=0.2VDD
CL
CL
VIH=0.4VDD
VIL=0.2VDD
DI
DI
VIH=0.4VDD
VIL=0.2VDD
Figure 19. CCB Serial Data Signal
(FPGA Output)
Figure 20. CCB Serial Data Signal
(LCD Driver IC Input)
LCD PANEL SEGMENT ALLOTMENT
Because S28 output is connected to twelve segments of the
LCD panel, the customer can confirm the waveform of big
load.
The following figure and table shows the segment
allotment of the 1/4 duty drive LCD panel.
The LCD panel circuit of this evaluation board uses
a socket pin, and LCD panel made in varitronix is inserted
there. The specifications of the LCD panel are four common
pins, 32 segment pins, twisted nematic (TN) type, reflection
type, alphanumeric character display and 70.00 mm ×
25.00 mm × 2.80 mm.
Four common output signals and 21 segment output
signals of the LCD driver IC are connected to an LCD panel.
Figure 21. Segment Allotment of the LCD Panel
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28
LC75843UGAGEVB
Table 14. RELATIONS BETWEEN THE LCD PANEL AND THE LCD DRIVER IC
LCD Panel
LCD Driver IC (When the 1/4 Duty Drive Is Set)
Pin No.
COM3
COM2
COM1
COM0
Connection Pin
COM4
COM3
COM2
COM1
1
COM3
−
−
−
COM4/S25
−
−
−
−
2
1D
1E
1F
−
S28
D100
D99
D98
D97
3
1N
1K
1J
1I
S28
D100
D99
D98
D97
4
2D
2E
2F
−
S28
D100
D99
D98
D97
5
2N
2K
2J
2I
S28
D100
D99
D98
D97
6
3D
3E
3F
−
S28
D100
D99
D98
D97
7
3N
3K
3J
3I
S28
D100
D99
D98
D97
8
4D
4E
4F
−
S5
D20
D19
D18
D17
9
4N
4K
4J
4I
S6
D24
D23
D22
D21
10
5D
5E
5F
−
S7
D28
D27
D26
D25
11
5N
5K
5J
5I
S8
D32
D31
D30
D29
12
6D
6E
6F
−
S9
D36
D35
D34
D33
13
6N
6K
6J
6I
S10
D40
D39
D38
D37
14
7D
7E
7F
−
S11
D44
D43
D42
D41
15
7N
7K
7J
7I
S12
D48
D47
D46
D45
16
8D
8E
8F
−
S13
D52
D51
D50
D49
17
8N
8K
8J
8I
S14
D56
D55
D54
D53
18
−
COM2
−
−
COM3/S26
−
−
−
−
19
−
−
−
COM0
COM1
−
−
−
−
20
8DP
8C
8B
8A
S24
D96
D95
D94
D93
21
8M
8L
8G
8H
S23
D92
D91
D90
D89
22
7DP
7C
7B
7A
S22
D88
D87
D86
D85
23
7M
7L
7G
7H
S21
D84
D83
D82
D81
24
6DP
6C
6B
6A
S20
D80
D79
D78
D77
25
6M
6L
6G
6H
S19
D76
D75
D74
D73
26
5DP
5C
5B
5A
S18
D72
D71
D70
D69
27
5M
5L
5G
5H
S17
D68
D67
D66
D65
28
4DP
4C
4B
4A
S16
D64
D63
D62
D61
29
4M
4L
4G
4H
S15
D60
D59
D58
D57
30
3DP
3C
3B
3A
S28
D100
D99
D98
D97
31
3M
3L
3G
3H
S28
D100
D99
D98
D97
32
2DP
2C
2B
2A
S28
D100
D99
D98
D97
33
2M
2L
2G
2H
S28
D100
D99
D98
D97
34
1DP
1C
1B
1A
S28
D100
D99
D98
D97
35
1M
1L
1G
1H
S28
D100
D99
D98
D97
36
−
−
COM1
−
COM2/S27
−
−
−
−
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29
LC75843UGAGEVB
TIMING OF THE CCB SERIAL DATA TRANSFER
When the 1/4 Duty Drive Mode Is Set
When the controller circuit in the evaluation board and the
1/4 duty LCD panel are used, remove the jump sockets of the
DT0 and DT1. The command transfer is the form that
1/4 duty drive mode and CL stop at low level.
ÌÌÌÌÌÌÌÌÌÌÌ
ÌÌÌÌÌÌÌÌÌÌÌ
ÌÌÌÌÌÌÌÌÌÌÌ
CE
CL
DI
120 bits
56 bits
The following figure shows the allotment of each bit.
CE
fCL = 3.125 [MHz]
CL
DI
0
0
1
0
0
0
1
0
D1
D2
D3
D4
D5
D6
D7
D8
D94 D95 D96 D97 D98 D99 D100
0
0
0
0
0
0
0
0 DT0 DT1 0
1
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
(8 bits)
Display data
(100 bits)
Control data
(10 bits)
DD
(2 bits)
CE
fCL = 3.125 [MHz]
CL
DI
0
0
1
0
0
0
1
0
W10 W11 W12 W13 W14 W15 W20 W21 W22 W23 W24 W25 W30 W31 W32 W33 W34 W35
0
0
0
0
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
(8 bits)
Control data
(18 bits)
Fixed data
(4 bits)
PF0 PF1 PF2 PF3 PS10 PS11PS20 PS21PS30 PS31PS40 PS41 P0
P2 FC0 FC1 FC2 FC3 DN EXF OC SC BU
Control data
(24 bits)
Note: DD is the direction data.
CCB address
D1 to D100
DT0, DT1
W10 to W15
W20 to W25
W30 to W35
PF0 to PF3
PS10, PS11
PS20, PS21
PS30, PS31
PS40, PS41
P0 to P2
FC0 to FC3
DN
EXF
OC
SC
BU
P1
: “44H”
: Display data.
: LCD drive scheme (1/1 to 1/4 duty drive) setting control data. set by DT0 and DT1 jump sockets.
: PWM duty data for S2/P2(ch1). set by W0 to W5 switches.
: PWM duty data for S3/P3(ch2). set by W0 to W5 switches.
: PWM duty data for S4/P4(ch3). set by W0 to W5 switches.
: PWM output waveform frame frequency setting control data. set by PF0 to PF3 switches.
: General-purpose output port (S1/P1) function setting control data. set by P1 switch.
: General-purpose output port (S2/P2) function setting control data.
: General-purpose output port (S3/P3) function setting control data.
: General-purpose output port (S4/P4) function setting control data.
: Segment output port/general-purpose output port switching control data.
: Common/segment output waveform frame frequency setting control data. set by FC0 to FC3 switches.
: The S28 pin state setting control data.
: External clock operating frequency setting control data. set by EXF switch.
: Internal oscillator operating mode/external clock operating mode switching control data. set by OC switch.
: On/off state of the segments control data. set by SC switch.
: Normal mode/power-saving mode switching control data. set by BU switch.
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30
1
0
DD
(2 bits)
LC75843UGAGEVB
When the 1/3 Duty Drive Mode Is Set
of “0”, “1”, “4” and “5”. In addition, when “DEMO mode”
was set to “2”, “3”, “6”, “7”, “8” and “9”, the controller is
ignored without operating. The command transfer is the
form that 1/3 duty drive mode and CL stop at low level.
When the controller circuit in the evaluation board and the
1/3 duty LCD panel are used, insert the jump socket of the
DT0 and remove the jump socket of the DT1. When the jump
sockets of the DT0 and DT1 were set for the setting that was
not 1/4 duty drive, the “DEMO mode” can use only a mode
ÌÌÌÌÌÌÌÌÌÌ
ÌÌÌÌÌÌ
ÌÌÌÌ
ÌÌÌÌÌÌÌÌÌÌ
CE
CL
DI
104 bits
56 bits
The following figure shows the allotment of each bit.
CE
fCL = 3.125 [MHz]
CL
DI
0
0
1
0
0
0
1
0
D1
D2
D3
D4
D5
D6
D76 D77 D78
0
0
0
0
0
0
0
0
0
0
0
0
0
0 DT0 DT1 0
1
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
(8 bits)
Display data
(78 bits)
Control data
(16 bits)
DD
(2 bits)
CE
fCL = 3.125 [MHz]
CL
DI
0
0
1
0
0
0
1
0
W10 W11 W12 W13 W14 W15 W20 W21 W22 W23 W24 W25 W30 W31 W32 W33 W34 W35
0
0
0
0
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
(8 bits)
Control data
(18 bits)
Fixed data
(4 bits)
PF0 PF1 PF2 PF3 PS10PS11 PS20PS21PS30PS31PS40PS41 P0
P2 FC0 FC1 FC2 FC3 DN EXF OC SC BU
Control data
(24 bits)
Note: DD is the direction data.
CCB address
D1 to D78
DT0, DT1
W10 to W15
W20 to W25
W30 to W35
PF0 to PF3
PS10, PS11
PS20, PS21
PS30, PS31
PS40, PS41
P0 to P2
FC0 to FC3
DN
EXF
OC
SC
BU
P1
: “44H”
: Display data.
: LCD drive scheme (1/1 to 1/4 duty drive) setting control data. set by DT0 and DT1 jump sockets.
: PWM duty data for S2/P2(ch1). set by W0 to W5 switches.
: PWM duty data for S3/P3(ch2). set by W0 to W5 switches.
: PWM duty data for S4/P4(ch3). set by W0 to W5 switches.
: PWM output waveform frame frequency setting control data. set by PF0 to PF3 switches.
: General-purpose output port (S1/P1) function setting control data. set by P1 switch.
: General-purpose output port (S2/P2) function setting control data.
: General-purpose output port (S3/P3) function setting control data.
: General-purpose output port (S4/P4) function setting control data.
: Segment output port/general-purpose output port switching control data.
: Common/segment output waveform frame frequency setting control data. set by FC0 to FC3 switches.
: The S28 pin state setting control data.
: External clock operating frequency setting control data. set by EXF switch.
: Internal oscillator operating mode/external clock operating mode switching control data. set by OC switch.
: On/off state of the segments control data. set by SC switch.
: Normal mode/power-saving mode switching control data. set by BU switch.
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31
1
0
DD
(2 bits)
LC75843UGAGEVB
When the 1/2 Duty Drive Mode Is Set
of “0”, “1”, “4” and “5”. In addition, when “DEMO mode”
was set to “2”, “3”, “6”, “7”, “8” and “9”, the controller is
ignored without operating. The command transfer is the
form that 1/2 duty drive mode and CL stop at low level.
When the controller circuit in the evaluation board and the
1/2 duty LCD panel are used, insert the jump socket of the
DT1 and remove the jump socket of the DT0. When the jump
sockets of the DT0 and DT1 were set for the setting that was
not 1/4 duty drive, the “DEMO mode” can use only a mode
CE
ÌÌÌÌÌÌÌÌÌ
ÌÌÌÌÌÌÌÌÌ
CL
DI
72 bits
56 bits
The following figure shows the allotment of each bit.
CE
fCL = 3.125 [MHz]
CL
DI
0
0
1
0
0
0
1
0
D1
D2
D3
D4
D5
D6
D7
D8
D46 D47 D48 D49 D50 D51 D52 D53 D54
0
0
0
0
0
0 DT0 DT1 0
1
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
(8 bits)
Display data
(54 bits)
Control data
(8 bits)
DD
(2 bits)
CE
fCL = 3.125 [MHz]
CL
DI
0
0
1
0
0
0
1
0
W10 W11 W12 W13 W14 W15 W20 W21 W22 W23 W24 W25 W30 W31 W32 W33 W34 W35
0
0
0
0
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
(8 bits)
Control data
(18 bits)
Fixed data
(4 bits)
PF0 PF1 PF2 PF3 PS10PS11 PS20PS21PS30PS31PS40PS41 P0
P2 FC0 FC1 FC2 FC3 DN EXF OC SC BU
Control data
(24 bits)
Note: DD is the direction data.
CCB address
D1 to D54
DT0, DT1
W10 to W15
W20 to W25
W30 to W35
PF0 to PF3
PS10, PS11
PS20, PS21
PS30, PS31
PS40, PS41
P0 to P2
FC0 to FC3
DN
EXF
OC
SC
BU
P1
: “44H”
: Display data.
: LCD drive scheme (1/1 to 1/4 duty drive) setting control data. set by DT0 and DT1 jump sockets.
: PWM duty data for S2/P2(ch1). set by W0 to W5 switches.
: PWM duty data for S3/P3(ch2). set by W0 to W5 switches.
: PWM duty data for S4/P4(ch3). set by W0 to W5 switches.
: PWM output waveform frame frequency setting control data. set by PF0 to PF3 switches.
: General-purpose output port (S1/P1) function setting control data. set by P1 switch.
: General-purpose output port (S2/P2) function setting control data.
: General-purpose output port (S3/P3) function setting control data.
: General-purpose output port (S4/P4) function setting control data.
: Segment output port/general-purpose output port switching control data.
: Common/segment output waveform frame frequency setting control data. set by FC0 to FC3 switches.
: The S28 pin state setting control data.
: External clock operating frequency setting control data. set by EXF switch.
: Internal oscillator operating mode/external clock operating mode switching control data. set by OC switch.
: On/off state of the segments control data. set by SC switch.
: Normal mode/power-saving mode switching control data. set by BU switch.
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32
1
0
DD
(2 bits)
LC75843UGAGEVB
When the Static (1/1 Duty) Drive Mode Is Set
In addition, when “DEMO mode” was set to “2”, “3”, “6”,
“7”, “8” and “9”, the controller is ignored without operating.
The command transfer is the form that static (1/1 duty) drive
mode and CL stop at low level.
When the controller circuit in the evaluation board and the
static (1/1 duty) LCD panel are used, insert the jump sockets
of the DT0 and DT1. When the jump sockets of the DT0 and
DT1 were set for the setting that was not 1/4 duty drive, the
“DEMO mode” can use only a mode of “0”, “1”, “4” and “5”.
CE
ÌÌÌÌÌÌÌÌ
ÌÌÌÌÌÌÌÌ
CL
DI
56 bits
56 bits
The following figure shows the allotment of each bit.
CE
fCL = 3.125 [MHz]
CL
DI
0
0
1
0
0
0
1
0
D1
D2
D3
D4
D5
D27 D28
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 DT0 DT1 0
1
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
(8 bits)
Display data
(28 bits)
Control data
(18 bits)
DD
(2 bits)
CE
fCL = 3.125 [MHz]
CL
DI
0
0
1
0
0
0
1
0
W10 W11 W12 W13 W14 W15 W20 W21 W22 W23 W24 W25 W30 W31 W32 W33 W34 W35
0
0
0
0
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
(8 bits)
Control data
(18 bits)
Fixed data
(4 bits)
PF0 PF1 PF2 PF3 PS10PS11 PS20PS21PS30PS31PS40PS41 P0
P2 FC0 FC1 FC2 FC3 DN EXF OC SC BU
Control data
(24 bits)
Note: DD is the direction data.
CCB address
D1 to D28
DT0, DT1
W10 to W15
W20 to W25
W30 to W35
PF0 to PF3
PS10, PS11
PS20, PS21
PS30, PS31
PS40, PS41
P0 to P2
FC0 to FC3
DN
EXF
OC
SC
BU
P1
: “44H”
: Display data.
: LCD drive scheme (1/1 to 1/4 duty drive) setting control data. set by DT0 and DT1 jump sockets.
: PWM duty data for S2/P2(ch1). set by W0 to W5 switches.
: PWM duty data for S3/P3(ch2). set by W0 to W5 switches.
: PWM duty data for S4/P4(ch3). set by W0 to W5 switches.
: PWM output waveform frame frequency setting control data. set by PF0 to PF3 switches.
: General-purpose output port (S1/P1) function setting control data. set by P1 switch.
: General-purpose output port (S2/P2) function setting control data.
: General-purpose output port (S3/P3) function setting control data.
: General-purpose output port (S4/P4) function setting control data.
: Segment output port/general-purpose output port switching control data.
: Common/segment output waveform frame frequency setting control data. set by FC0 to FC3 switches.
: The S28 pin state setting control data.
: External clock operating frequency setting control data. set by EXF switch.
: Internal oscillator operating mode/external clock operating mode switching control data. set by OC switch.
: On/off state of the segments control data. set by SC switch.
: Normal mode/power-saving mode switching control data. set by BU switch.
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33
1
0
DD
(2 bits)
LC75843UGAGEVB
DEMONSTRATION TIMING CHART
All OFF Test Mode Timing (DEMO Mode = “0”)
When demonstration mode is “0”, all LCD segments and
all LED are off. The customer can confirm off drive
waveform outputting from the LCD driver IC. About the
example of the waveform which can confirm, refer to
“Oscilloscope Observation Waveform”.
Push
Push
Push
“Command Set”
switch
POWER : ON
POWER : OFF
VDD5V
INH
CE
CL
DI
ÏÏÏÏ
ÏÏ
ÏÏ
ÏÏÏÏ
ÏÏ
Ï
Ï
ÏÏ
Note 1
LED state
(S1/P1)
P1 = Turn off (Low)
LED state
(S2/P2 to S4/P4)
ÏÏ
Ï
Ï
ÏÏ
Note 2
Note 3
P2 to P4 = Turn off (Low)
LCD display
(S5 to S24)
Display forced off (VSS level)
LCD display
(S28)
Display forced off (VSS level)
(1)
(2) (3)
Forced off (VSS level)
All segments are OFF waveform drive (fo=48Hz)
Forced off (VSS level)
All segments are OFF waveform drive (fo=48Hz)
(4)
(5) (4)
(Figure 22)
(6) (4)
(Figure 23)
(7)
(Figure 24)
Transfer Command Data
Operation Sequence
1. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position.
2. The evaluation mode is selected by moving
“DEMO mode” switch to the “0” position.
3. Set the switches (PF0 to PF3, FC0 to FC3, P1,
EXF, OC, SC and BU) to set control data.
For example, when the PF0 to PF3=“L(0), L(0),
L(0), L(0)”, FC0 to FC3=“L(0), L(0), L(0), L(0)”,
P1=“L(0)”, EXF=“L(0)”, OC=“L(0)”, SC=“L(0)”
and BU=“L(0)” are set.
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”.
5. Set the switches of SC=“H(1)” and BU=“L(0)”.
6. Set the switches of SC=“L(0)” and BU=“H(1)”.
7. The power supply of the evaluation board is turned
off by moving “POWER” switch to the “OFF”
position.
Note 1: D1=set by the switch of P1 to “0”,
D2 to D100= all “0” data, DT0=“0”, DT1=“0”,
PF0 to PF3=“0,0,0,0”, FC0 to FC3=“0,0,0,0”,
W10 to W15=“0,0,0,0,0,0”, W20 to
W25=“0,0,0,0,0,0”, W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“0”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
P0 to P2=“1,0,0”,
DN=“1”, EXF=“0”, OC=“0”, SC=“0”, BU=“0”.
The following figure shows the LCD display
contents.
Note 2: SC=“1”, BU=“0”, others is set the same value.
Note 3: SC=“0”, BU=“1”, others is set the same value.
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34
LC75843UGAGEVB
All ON Test Mode Timing (DEMO Mode = “1”)
When demonstration mode is “1”, all LCD segments and
all LED are on. The customer can confirm off drive
waveform outputting from the LCD driver IC. About the
example of the waveform which can confirm, refer to
“Oscilloscope Observation Waveform”.
Push
Push
Push
“Command Set”
switch
POWER : ON
POWER : OFF
VDD5V
INH
CE
CL
DI
ÏÏ
ÏÏ
ÏÏÏÏ
ÏÏÏÏ
Ï
Ï
ÏÏ
ÏÏ
Note 1
LED state
(S1/P1)
P1 = Turn off (Low)
LED state
(S2/P2 to S4/P4)
LCD display
(S5 to S24)
Display forced off (VSS level)
LCD display
(S28)
Display forced off (VSS level)
(2) (3)
Note 2
Note 3
P1 = Turn off (Low)
P1 = Turn on (High)
P2 to P4 = Turn off (Low)
(1)
Ï
Ï
ÏÏ
ÏÏ
P2 to P4 = Turn off (Low)
P2 to P4 = Turn on (High
All segments are ON waveform drive (fo=97Hz)
All segments are OFF waveform drive
All segments are ON waveform drive (fo=97Hz)
All segments are OFF waveform drive
(4)
(5) (4)
(Figure 25, 28)
Forced off (VSS level)
Forced off (VSS level)
(6) (4)
(Figure 26)
(7)
(Figure 27)
Transfer Command Data
Operation Sequence
1. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position.
2. The evaluation mode is selected by moving
“DEMO mode” switch to the “1” position.
3. Set the switches (PF0 to PF3, FC0 to FC3, P1,
EXF, OC, SC and BU) to set control data.
For example, when the PF0 to PF3=“L(0), L(0),
L(0), L(0)”, FC0 to FC3=“L(0), H(1), L(0), H(1)”,
P1=“H(1)”, EXF=“L(0)”, OC=“L(0)”, SC=“L(0)”
and BU=“L(0)” are set.
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”.
5. Set the switches of SC=“H(1)” and BU=“L(0)”.
6. Set the switches of SC=“L(0)” and BU=“H(1)”.
7. The power supply of the evaluation board is turned
off by moving “POWER” switch to the “OFF”
position.
Note 1: D1=set by the switch of P1 to “1”,
D2 to D100= all “1” data, DT0=“0”, DT1=“0”,
PF0 to PF3=“0,0,0,0”, FC0 to FC3=“0,0,0,0”,
W10 to W15=“0,0,0,0,0,0”, W20 to
W25=“0,0,0,0,0,0”, W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“0”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
P0 to P2=“1,0,0”,
DN=“1”, EXF=“0”, OC=“0”, SC=“0”, BU=“0”.
The following figure shows the LCD display
contents.
Note 2: SC=“1”, BU=“0”, others is set the same value.
Note 3: SC=“0”, BU=“1”, others is set the same value.
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LC75843UGAGEVB
LCD Display Test (1) Mode Timing (DEMO Mode = “2”)
customer can confirm the waveform of big load. About the
example of the waveform which can confirm, refer to
“Oscilloscope Observation Waveform”.
When demonstration mode is “2”, LCD number display
and the LED are all off. The customer can confirm on/off
drive waveform outputting from the LCD driver IC.
Because S28 output is connected to twelve segments, the
Push
“Command Set”
switch
Push
Push
Push
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Note 2
Note 1
LED state
(S1/P1)
P1 = Turn off (Low)
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Note 3
Note 4
fosc/2 clock output
LED state
(S2/P2 to S4/P4)
P2 to P4 = Turn off (Low)
LCD display
(S5 to S24)
Display forced off (VSS level)
LCD display
(S28)
Display forced off (VSS level)
(1)
(2) (3)
(4)
LCD displays a “01234” (fo=97Hz)
LCD displays a “01234” (fo=390Hz)
All segments are OFF waveform drive (fo=97Hz)
All segments are OFF waveform drive
(fo=390Hz)
(5) (4)
(6) (4)
(7) (4)
(Figure 30, 31)
Transfer Command Data
Operation Sequence
1. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position.
2. The evaluation mode is selected by moving
“DEMO mode” switch to the “2” position.
3. Set the switches (PF0 to PF3, FC0 to FC3, P1,
EXF, OC, SC and BU) to set control data .
For example, when the PF0 to PF3=“L(0), L(0),
L(0), L(0)”, FC0 to FC3=“L(0), H(1), L(0), H(1)”,
P1=“L(0)”, EXF=“L(0)”, OC=“L(0)”, SC=“L(0)”
and BU=“H(1)” are set.
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”.
5. Set the switches of SC=“L(0)” and BU=“L(0)”.
6. Set the switch of P1=“H(1)”.
7. Set the switches of FC0 to FC3=“H(1), H(1), H(1),
H(1)”.
Note 1: D1=“0”, D2 to D16= all “0” data,
D17 to D96= “01234” display data,
D97 to D100= all “0” data, DT0=“0”, DT1=“0”,
PF0 to PF3=“0,0,0,0”, FC0 to FC3=“0,1,0,1”,
W10 to W15=“0,0,0,0,0,0”, W20 to
W25=“0,0,0,0,0,0”, W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“0”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
P0 to P2=“1,0,0”,
DN=“1”, EXF=“0”, OC=“0”, SC=“0”, BU=“1”.
Note 2: BU=“0”, others is set the same value.
“01234” display data is D[96:17] = 0110 0010
0111 0010 0011 0010 0110 0000 0111 0000
0100 0010 0100 1000 0100 1100 0000 0000
0000 1110.
The following figure shows the LCD display
contents.
Note 3: D1=“0”, PS10 and PS11=set by the switch of
P1 to “1,0”, others is set the same value.
Note 4: FC0 to FC3=“1,1,1,1”, others is set the same
value.
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LC75843UGAGEVB
LCD Display Test (2) Mode Timing (DEMO Mode = “3”)
customer can confirm the waveform of big load. About the
example of the waveform which can confirm, refer to
“Oscilloscope Observation Waveform”.
When demonstration mode is “3”, LCD alphabet display
and the LED are all off. The customer can confirm on/off
drive waveform outputting from the LCD driver IC.
Because S28 output is connected to twelve segments, the
Push
Push
“Command Set”
switch
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Note 2
Note 1
LED state
(S1/P1)
P1 = Turn off (Low)
fosc/8 clock output
LED state
(S2/P2 to S4/P4)
P2 to P4 = Turn off (Low)
LCD display
(S5 to S24)
Display forced off (VSS level)
LCD displays a “AbcdE” (fo=97Hz)
LCD display
(S28)
Display forced off (VSS level)
All segments are ON waveform drive (fo=97Hz)
(1)
(2) (3)
(4)
(5) (4)
(Figure 32, 33)
Transfer Command Data
Operation Sequence
1. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position.
2. The evaluation mode is selected by moving
“DEMO mode” switch to the “3” position.
3. Set the switches (PF0 to PF3, FC0 to FC3, P1,
EXF, OC, SC and BU) to set control data.
For example, when the PF0 to PF3=“L(0), L(0),
L(0), L(0)”, FC0 to FC3=“L(0), H(1), L(0), H(1)”,
P1=“L(0)”, EXF=“L(0)”, OC=“L(0)”, SC=“L(0)”
and BU=“L(0)” are set.
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”.
5. Set the switch of P1=“H(1)”.
Note 1: D1=“0”, D2 to D16= all “0” data,
D17 to D96= “AbcdE” display data,
D97 to D100= all “1” data,
DT0=“0”, DT1=“0”, PF0 to PF3=“0,0,0,0”,
FC0 to FC3=“0,1,0,1”,
W10 to W15=“0,0,0,0,0,0”,
W20 to W25=“0,0,0,0,0,0”,
W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“0”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
P0 to P2=“1,0,0”,
DN=“1”, EXF=“0”, OC=“0”, SC=“0”, BU=“0”.
“AbcdE” display data is D[96:17] = 0001 0010
0110 0010 0000 0010 0100 0010 0111 0010
0100 1110 0100 1100 0100 1100 0100 1110
0100 0110. The following figure shows the LCD
display contents.
Note 2: D1=“0”, PS10 and PS11= set by the switch of
P1 to “0,1”, others is set the same value.
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LC75843UGAGEVB
Segment Test Mode Timing (DEMO Mode = “4”)
When demonstration mode is “4”, the segment of the LCD
displays on in turn whenever the customer pushes the switch
Push
0
1
2
3
4
5
6
7
8
9
2
of “Command Set”. The customer can confirm on/off drive
waveform outputting from the LCD driver IC.
11 12 13 14 15 16 17
18
19
99
100
0
1
“Command
Set”
switch
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Note 1
LED state
(S1/P1)
P1 = Turn off (Low)
LED state
(S2/P2)
P2 = Turn off (Low)
LED state
(S3/P3)
P3 = Turn off (Low)
LED state
(S4/P4)
P4 = Turn off (Low)
Note 2
Note 1 Note 2
Turn off
(Low)
Turn on (High)
Turn on (High)
Turn off (Low)
Turn on (High)
Turn off (Low)
Turn on (High)
Turn off (Low)
1 segment on
LCD display
(S5 to S24,
S28)
Display forced off
(VSS level)
82 segment on
All segments are OFF waveform drive
All segments are off
2 segments on
83 segments on
All segments are ON
(1) (2) (4)
(3)
Transfer Command Data
Operation Sequence
1. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position.
2. The evaluation mode is selected by moving
“DEMO mode” switch to the “4” position.
3. Set the switches (PF0 to PF3, FC0 to FC3, P1,
EXF, OC, SC and BU) to set control data.
For example, when the PF0 to PF3=“L(0), L(0),
L(0), L(0)”, FC0 to FC3=“L(0), H(1), L(0), H(1)”,
P1=“L(0)”, EXF=“L(0)”, OC=“L(0)”, SC=“L(0)”
and BU=“L(0)” are set.
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”.
Note 1: D1 to D100= all “0” data,
DT0=“0”, DT1=“0”, PF0 to PF3=“0,0,0,0”,
FC0 to FC3=“0,1,0,1”,
W10 to W15=“0,0,0,0,0,0”, W20 to
W25=“0,0,0,0,0,0”, W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“0”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
P0 to P2=“1,0,0”,
DN=“1”, EXF=“0”, OC=“0”, SC=“0”, BU=“0”.
Note 2: The display data which made “1” in turn from
D1 to D100 are transferred whenever the
customer pushes the switch of “Command Set”.
− When “Push 1”: D1=“1”,
D2 to D100= all “0” data.
− When “Push 2”: D1,D2=“1,1”,
D3 to D100= all “0” data.
− When “Push 3”: D1,D2,D3=“1,1,1”, D4 to
D100= all “0” data.
:
− When “Push 17”: D1 to D17= all “1” data,
D18 to D100= all “0” data.
:
− When “Push 99”: D1 to D99= all “1” data,
D100=“0”.
− When “Push 100”: D1 to D100= all “1” data.
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LC75843UGAGEVB
Common Test Mode Timing (DEMO Mode = “5”)
When demonstration mode is “5”, LCD segment
corresponding to same COM are all ON. Therefore, when
COM1 is on, LED turn on the light. The customer can
“Command
Set”
switch
Push
0
Push
1
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confirm on/off drive waveform outputting from the LCD
driver IC.
Push
2
Push
3
Push
4
Push
1
Push
2
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Note 1
LED state
(S1/P1)
LED state
(S2/P2 to
S4/P4)
LCD display
(S5 to S24,
S28)
P1 = Turn off (Low)
P2 to P4 = Turn off (Low)
Display forced off (VSS level)
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Note 2
Turn on (High)
Turn on (High)
Turn on (High)
Turn on (High)
LCD displays a “COM”
LCD segment
corresponding
to same COM1
is all ON
(1) (2) (3)
(4)
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LCD segment
corresponding
to same COM2
is all ON
(4)
(4)
(4)
LCD segment
corresponding
to same COM3
is all ON
(4)
LCD segment
corresponding
to same COM4
is all ON
(4)
LCD segment
corresponding
to same COM1
is all ON
(4)
“COM” display data is D[96:17] = 0110 0001
0111 0000 0001 0000 0000 0000 0000 0000
0010 0110 0000 1110 0000 1110 0000 0000
0000 0000. The following figure shows the LCD
display contents.
Operation Sequence
1. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position.
2. The evaluation mode is selected by moving
“DEMO mode” switch to the “5” position.
3. Set the switches (PF0 to PF3, FC0 to FC3, P1,
EXF, OC, SC and BU) to set control data.
For example, when the PF0 to PF3=“L(0), L(0),
L(0), L(0)”, FC0 to FC3=“L(0), H(1), L(0), H(1)”,
P1=“L(0)”, EXF=“L(0)”, OC=“L(0)”, SC=“L(0)”
and BU=“L(0)” are set.
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”.
Note 2: The display data from D1 to D100 which turned
on all the LCD segments according with same
COM are transferred whenever the customer
pushes the switch of “Command Send”.
− When “Push 1”: D1, D5, D9, D13, D17, D21,
D25, D29, D33, D37, D41, D45, D49, D53,
D57, D61, D65, D69, D73, D77, D81, D85,
D89, D93, D97 = all “1” data, Other display
data= all “0” data
Transfer Command Data
Note 1: D1 to D16= all “0” data, D17 to D96= “COM”
display data, D97 to D100= all “0” data,
DT0=“0”, DT1=“0”, PF0 to PF3=“0,0,0,0”, FC0
to FC3=“0,1,0,1”,
W10 to W15=“0,0,0,0,0,0”, W20 to
W25=“0,0,0,0,0,0”, W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“0”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
P0 to P2=“1,0,0”,
DN=“1”, EXF=“0”, OC=“0”, SC=“0”, BU=“0”.
− When “Push 2”: D2, D6, D10, D14, D18, D22,
D26, D30, D34, D38, D42, D46, D50, D54,
D58, D62, D66, D70, D74, D78, D82, D86,
D90, D94, D98= all “1” data, Other display
data = all “0” data
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LC75843UGAGEVB
− When “Push 3”: D3, D7, D11, D15, D19, D23,
D27, D31, D35, D39, D43, D47, D51, D55,
D59, D63, D67, D71, D75, D79, D83, D87,
D91, D95, D99= all “1” data, Other display
data = all “0” data
− When “Push 4”: D4, D8, D12, D16, D20, D24,
D28, D32, D36, D40, D44, D48, D52, D56,
D60, D64, D68, D72, D76, D80, D84, D88,
D92, D96, D100= all “1” data, Other display
data = all “0” data
LED (PWM) Test (1) Mode Timing (DEMO Mode = “6”)
When demonstration mode is “6”, the PWM duty is
selected by switches from W0 to W5. Then, S2/P2(ch1),
S3/P3(ch2) and S4/P4(ch3) can set same duty. The customer
can confirm LED drive waveform outputting from the LCD
driver IC. About the example of the waveform which can
confirm, refer to “Oscilloscope Observation Waveform”.
Push
“Command Set”
switch
Push
Push
Push
“PWM Set” switch
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Note 1
LED state
(S1/P1)
LED state
(S2/P2)
LED state
(S3/P3)
LED state
(S4/P4)
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Note 2
Note 3
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Note 4
P1 = Turn off (Low)
P2 = Turn off (Low)
P3 = Turn off (Low)
P4 = Turn off (Low)
ex. PWM duty = 1.56%
LCD display
(S5 to S24)
Display forced off (VSS level)
LCD display
(S28)
Display forced off (VSS level)
(1)
(2) (3)
ex. PWM duty = 50%
“ 50%” display
“PWM_1” display
ex. PWM duty = 100%
“ 100%” display
ex. PWM duty = 75%
“ 75%” display
All segments are OFF waveform drive)
(4)
(5) (6)
(7) (6)
(Figure 34)
(Figure 35)
Operation Sequence
1. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position.
2. The evaluation mode is selected by moving
“DEMO mode” switch to the “6” position.
3. Set the switches (PF0 to PF3, FC0 to FC3, P1,
EXF, OC, SC, BU and W0 to W5) to set control
data.
For example, when the PF0 to PF3=“L(0), H(1),
L(0), L(0)”, FC0 to FC3=“L(0), H(1), L(0), H(1)”,
P1=“L(0)”, EXF=“L(0)”, OC=“L(0)”, SC=“L(0)”,
BU=“L(0)” and W0 to W5=“L(0), L(0), L(0),
L(0), L(0), L(0)”, are set.
(8) (6)
(Figure 37)
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”.
5. Set the switches of W0 to W5=“H(1), H(1), H(1),
H(1), H(1), L(0)”.
6. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “PWM Set”.
7. Set the switches of W0 to W5=“H(1), H(1), H(1),
H(1), H(1), H(1)”.
8. Set the switches of W0 to W5=“H(1), H(1), H(1),
H(1), L(0), H(1)”.
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LC75843UGAGEVB
Transfer Command Data
Note 2: D17 to D96= “ 50%” display data,
W10 to W15=“1,1,1,1,1,0”, W20 to
W25=“1,1,1,1,1,0”, W30 to W35=“1,1,1,1,1,0”,
others is set the same.
The following figure shows the LCD display
contents.
Note 1: D1 to D16= all “0” data,
D17 to D96= “PWM_1” display data,
D97 to D100= all “0” data, DT0=“0”, DT1=“0”,
PF0 to PF3=“0,1,0,0”, FC0 to FC3=“0,1,0,1”,
W10 to W15=“0,0,0,0,0,0”, W20 to
W25=“0,0,0,0,0,0”, W30 to W35=“0,0,0,0,0,0”,
PS10=“1”, PS11=“1”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“1”, PS40=“1”, PS41=“1”,
P0 to P2=“1,0,0”,
DN=“1”, EXF=“0”, OC=“0”, SC=“0”, BU=“0”.
The PWM duty is
displayed there.
(1 to 100)
“PWM_1” display data is D[96:17] = 0110 0000
0000 0000 0110 0001 0110 0100 0011 0010
0000 0000 0000 1000 0010 0110 1000 0110
0100 0110.
The following figure shows the LCD display
contents.
Percent
Note 3: D17 to D96= “100%” display data,
W10 to W15=“1,1,1,1,1,1”, W20 to
W25=“1,1,1,1,1,1”, W30 to W35=“1,1,1,1,1,1”,
others is set the same.
Note 4: D17 to D96= “75%” display data,
W10 to W15=“1,1,1,1,0,1”, W20 to
W25=“1,1,1,1,0,1”, W30 to W35=“1,1,1,1,0,1”,
others is set the same.
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LC75843UGAGEVB
LED (PWM) Test (2) Mode Timing (DEMO Mode = “7”)
divides RGB color LED into three groups. The customer can
set duty of each group whenever the customer pushes the
switch of “Command Set”. The customer can confirm LED
drive waveform outputting from the LCD driver IC.
When demonstration mode is “7”, the PWM duty is
selected by switches from W0 to W5. The LCD driver IC
(LC75843UGA) can control the PWM function of up to
three channels separately. Therefore this evaluation board
Push
0
“Command Set”
switch
Push
1
Push
2
Push
Push
Push
“PWM Set” switch
VDD5V
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Note 1
LED state
(S1/P1)
P1 = Turn off (Low)
LED state
(S2/P2)
P2 = Turn off (Low)
LED state
(S3/P3)
P3 = Turn off (Low)
LED state
(S4/P4)
P4 = Turn off (Low)
Note 3
ex. PWM duty = 1%
Note 4
ex. PWM duty = 25%
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Note 5
Note 6
ex. PWM duty = 75%
ex. PWM duty = 1%
LCD display
(S5 to S24)
Display forced off (VSS level)
LCD display
(S28)
Display forced off (VSS level)
(1)
“Command Set”
switch
Note 2
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“PWM_2” display
“ ch1” display
“ 25%” display
“ 75%” display
ex. PWM duty = 50%
“ ch2” display
“ 50%” display
All segments are OFF waveform drive
(2) (3) (4)
(4)
(5) (6)
Push
3
(7) (6)
Push
1
(4)
Push
2
(8) (6)
Push
3
Push
1
Push
Push
“PWM Set” switch
VDD5V
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CL
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Note 7
LED state
(S1/P1)
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Note 8
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Ï
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Ï
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Ï
Note 9
P1 = Turn off (Low)
Note 10
Note 11
Note 12
Note 13
LED state
(S2/P2)
LED state
(S3/P3)
LED state
(S4/P4)
LCD display
(S5 to S24)
LCD display
(S28)
ex. PWM
duty = 100%
ex. PWM duty = 75%
Turn off (Low)
ex. PWM duty = 50%
Turn off (Low)
ex. PWM duty = 50%
Turn off (Low)
ex. PWM duty = 1%
“ 50%” display
“ ch3” display
Turn off (Low)
ex. PWM duty = 100%
ex. PWM duty = 100%
“ 100%” display
“ ch1” display
“ ch2” display
“ ch3” display
“ ch1” display
All segments are OFF waveform drive
(4)
(9) (6)
(4)
(4)
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(4)
(4)
(9) (6)
“ 100%”
display
LC75843UGAGEVB
Operation Sequence
1. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position.
2. The evaluation mode is selected by moving
“DEMO mode” switch to the “7” position.
3. Set the switches (PF0 to PF3, FC0 to FC3, P1,
EXF, OC, SC, BU and W0 to W5) to set control
data.
For example, when the PF0 to PF3=“L(0), H(1),
H(1), L(0)”, FC0 to FC3=“L(0), H(1), L(0), H(1)”,
P1=“L(0)”, EXF=“L(0)”, OC=“L(0)”, SC=“L(0)”,
BU=“L(0)” and W0 to W5=“L(0), L(0), L(0),
L(0), L(0), L(0)”, are set.
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”.
5. Set the switches of W0 to W5=“H(1), H(1), H(1),
H(1), L(0), L(0)”.
6. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “PWM Set”.
7. Set the switches of W0 to W5=“H(1), H(1), H(1),
H(1), L(0), H(1)”.
8. Set the switches of W0 to W5=“H(1), H(1), H(1),
H(1), H(1), L(0)”.
9. Set the switches of W0 to W5=“H(1), H(1), H(1),
H(1), H(1), H(1)”.
Note 2: D1 to D16= all “0” data, D17 to D96= “ ch1”
display data, W10 to W15=“0,0,0,0,0,0”,
W20 to W25=“0,0,0,0,0,0”,
W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
others is set the same.
The following figure shows the LCD display
contents.
The PWM channel
is displayed there.
Note 3: D1 to D16= all “0” data, D17 to D96= “ 25%”
display data, W10 to W15=“1,1,1,1,0,0”,
W20 to W25=“0,0,0,0,0,0”,
W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
others is set the same.
The following figure shows the LCD display
contents.
The PWM duty is
displayed there.
(1 to 100)
Transfer Command Data
Note 1: D1 to D16= all “0” data,
D17 to D96= “PWM_2” display data,
D97 to D100= all “0” data, DT0=“0”, DT1=“0”,
DT0=“0”, DT1=“0”, PF0 to PF3=“0,1,1,0”,
FC0 to FC3=“0,1,0,1”,
W10 to W15=“0,0,0,0,0,0”,
W20 to W25=“0,0,0,0,0,0”,
W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“0”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
P0 to P2=“1,0,0”,
DN=“1”, EXF=“0”, OC=“0”, SC=“0”, BU=“0”.
Percent
Note 4: D1 to D16= all “0” data, D17 to D96= “ 75%”
display data, W10 to W15=“1,1,1,1,0,1”,
W20 to W25=“0,0,0,0,0,0”,
W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
others is set the same.
Note 5: D1 to D16= all “0” data, D17 to D96= “ ch2”
display data, W10 to W15=“1,1,1,1,0,1”,
W20 to W25=“0,0,0,0,0,0”,
W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“1”, PS40=“0”, PS41=“0”,
others is set the same.
Note 6: D1 to D16= all “0” data, D17 to D96= “ 50%”
display data, W10 to W15=“1,1,1,1,0,1”,
W20 to W25=“1,1,1,1,1,0”,
W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“1”, PS40=“0”, PS41=“0”,
others is set the same.
“PWM_2” display data is D[96:17] = 0011 0010
0000 0000 0110 0001 0110 0100 0011 0010
0100 1100 0000 1000 0010 0110 1000 0110
0100 0110.
The following figure shows the LCD display
contents.
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Note 11: D1 to D16= all “0” data, D17 to D96= “ ch3”
display data, W10 to W15=“1,1,1,1,0,1”,
W20 to W25=“1,1,1,1,1,0”,
W30 to W35=“1,1,1,1,1,1”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“1”, PS40=“1”, PS41=“1”,
others is set the same.
Note 12: D1 to D16= all “0” data, D17 to D96= “ ch1”
display data, W10 to W15=“1,1,1,1,0,1”,
W20 to W25=“1,1,1,1,1,0”,
W30 to W35=“1,1,1,1,1,1”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
others is set the same.
Note 13: D1 to D16= all “0” data, D17 to D96= “ 100%”
display data, W10 to W15=“1,1,1,1,1,1”,
W20 to W25=“1,1,1,1,1,0”,
W30 to W35=“1,1,1,1,1,1”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
others is set the same.
Note 7: D1 to D16= all “0” data, D17 to D96= “ ch3”
display data, W10 to W15=“1,1,1,1,0,1”,
W20 to W25=“1,1,1,1,1,0”,
W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“1”, PS40=“1”, PS41=“1”,
others is set the same.
Note 8: D1 to D16= all “0” data, D17 to D96= “ 100%”
display data, W10 to W15=“1,1,1,1,0,1”,
W20 to W25=“1,1,1,1,1,0”,
W30 to W35=“1,1,1,1,1,1”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“1”, PS40=“1”, PS41=“1”,
others is set the same.
Note 9: D1 to D16= all “0” data, D17 to D96= “ ch1”
display data, W10 to W15=“1,1,1,1,0,1”,
W20 to W25=“1,1,1,1,1,0”,
W30 to W35=“1,1,1,1,1,1”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
others is set the same.
Note 10: D1 to D16= all “0” data, D17 to D96= “ ch2”
display data, W10 to W15=“1,1,1,1,0,1”,
W20 to W25=“1,1,1,1,1,0”,
W30 to W35=“1,1,1,1,1,1”,
PS10=“0”, PS11=“0”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“1”, PS40=“0”, PS41=“0”,
others is set the same.
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LC75843UGAGEVB
Flowchart
“DEMO mode”=“7”
Set the switches
Push the “Command Set”
Push the “Command Set”
LCD displays
a “ ch3”
LCD displays
a “PWM_2”
Set the switches of PWM duty (W0 to W5)
A
Push the “Command Set”
Push the “PWM Set”
LCD display
a PWM duty value
LCD displays
a “ ch1”
No
Set the switches of PWM duty (W0 to W5)
Is setting of P4(B)
completion?
Yes
Push the “PWM Set”
A
LCD display
a PWM duty value
No
Is setting of P2(R)
completion?
Yes
Push the “Command Set”
LCD displays
a “ ch2”
Set the switches of PWM duty (W0 to W5)
Push the “PWM Set”
LCD display
a PWM duty value
No
Is setting of P3(G)
completion?
Yes
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LC75843UGAGEVB
Demonstration (1) Mode Timing (DEMO Mode = “8”)
When demonstration mode is “8”, LCD number display
count ups every second and the LED is eight colors of
lighting. The customer can confirm display of LCD and
LED by an automatic demonstration.
Push
“Command Set”
switch
1 sec
Timer counter
0
0
1
2
3
4
5
6
7
8
9
10
1
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Note 1
LED state
(S2/P2)
LED state
(S2/P2)
LED state
(S3/P3)
LED state
(S4/P4)
Note 2
P1 = Turn off (Low)
P2 = Turn off (Low)
P3 = Turn off (Low)
P4 = Turn off (Low)
LCD display
(S5 to S24)
Display forced off
(VSS level)
LCD display
(S28)
Display forced off
(VSS level)
(1)
(2) (3)
'START'
display
“00000”
display
“11111”
display
“22222”
display
“33333”
display
“44444”
display
“55555”
display
“66666”
display
“77777”
display
“88888”
display
“99999”
display
All segments are OFF waveform drive
(4)
PS30=“0”, PS31=“0”, PS40=“0”, PS41=“0”,
P0 to P2=“1,0,0”,
DN=“1”, EXF=“0”, OC=“0”, SC=“0”, BU=“0”.
Operation Sequence
1. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position.
2. The automatic demonstration mode is selected by
moving “DEMO mode” switch to the “8” position.
3. Set the switches (PF0 to PF3, FC0 to FC3, P1,
EXF, OC, SC, BU and W0 to W5) to set control
data.
For example, when the PF0 to PF3=“L(0), H(1),
H(1), L(0)”, FC0 to FC3=“L(0), H(1), L(0), H(1)”,
P1=“L(0)”, EXF=“L(0)”, OC=“L(0)”, SC=“L(0)”,
BU=“L(0)” and W0 to W5=“L(0), L(0), L(0),
L(0), L(0), L(0)”, are set.
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”.
“START” display data is D[96:17] = 0001 1000
0011 0010 0111 0010 0001 1000 0101 0010
0001 0000 1100 0110 0100 0110 0001 0000
0100 1010.
The following figure shows the LCD display
contents.
Note 2: The display data by the timer counter value are
transferred.
− When “1” : D5,D9,D13=“0,0,0”,
D17 to D96= “00000” display data,
Other display data = all “0” data
− When “2” : D5,D9,D13=“1,0,0”,
D17 to D96= “11111” display data,
Other display data = all “0” data
− When “3” : D5,D9,D13=“0,1,0”,
D17 to D96= “22222” display data,
Other display data = all “0” data
− When “4” : D5,D9,D13=“1,1,0”,
D17 to D96= “33333” display data,
Transfer Command Data
Note 1: D1 to D16= all “0” data, D17 to D96= “START”
display data, D97 to D100= all “0” data,
DT0=“0”, DT1=“0”, PF0 to PF3=“0,1,1,0”,
FC0 to FC3=“0,1,0,1”,
W10 to W15=“0,0,0,0,0,0”,
W20 to W25=“0,0,0,0,0,0”,
W30 to W35=“0,0,0,0,0,0”,
PS10=“0”, PS11=“0”, PS20=“0”, PS21=“0”,
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“00000”
display
LC75843UGAGEVB
Other display data = all “0” data
− When “10” : D5,D9,D13=“1,1,1”,
D17 to D96= “99999” display data,
Other display data = all “0” data
Other display data = all “0” data
− When “5” : D5,D9,D13=“0,0,1”,
D17 to D96= “44444” display data,
Other display data = all “0” data
− When “6” : D5,D9,D13=“1,0,1”,
D17 to D96= “55555” display data,
Other display data = all “0” data
− When “7” : D5,D9,D13=“0,1,1”,
D17 to D96= “66666” display data,
Other display data = all “0” data
− When “8” : D5,D9,D13=“1,1,1”,
D17 to D96= “77777” display data,
Other display data = all “0” data
− When “9” : D5,D9,D13=“0,0,0”,
D17 to D96= “88888” display data,
“99999” display data is D[96:17] = 0111 0010
0111 0010 0111 0010 0111 0010 0111 0010
0100 1010 0100 1010 0100 1010 0100 1010
0100 1010.
The following figure shows the LCD display
contents.
Demonstration (2) Mode Timing (DEMO Mode = “9”)
When demonstration mode is “9”, PWM duty of the LED
drive changes every 100 ms. The customer can confirm
LED brightness adjustment function using PWM duty by
an automatic demonstration.
Push
“Command Set”
switch
Timer counter
100 ms
0
1
10
11
30
31
33
32
34
91 92
93
112
11
30
31
32
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Note 1
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ÏÏ Ï Ï
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Note 2
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ÑÑÑÑÑ
LED turn on
(1.56% duty)
LED state
(S1/P1 to S4/P4)
P1 to P4 = Low (turn off)
LCD display
(S5 to S24)
Display forced off
(VSS level)
LCD display
(S28)
Display forced off
(VSS level)
(1) (2) (3)
“PWM_3”
display
LED turn on
(3.12% duty)
“ 1%”
display
“ 3%”
display
LED turn on
(4.69% duty)
“ 4%”
display
LED turn on
(6.25% duty)
“ 6%”
display
LED turn on
(98.44% duty)
“ 98%”
display
LED turn on
(100% duty)
“ 100%”
display
ÏÏÏÏÏÏ
ÏÏÏÏÏÏ
LED turn on
(1.56% duty)
“ 1%”
display
LED turn on
(3.12% duty)
“ 3%”
display
All segments are OFF waveform drive
(4)
4. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”.
Operation Sequence
1. The power supply of the evaluation board is turned
on by moving “POWER” switch to the “ON”
position.
2. The automatic demonstration mode is selected by
moving “DEMO mode” switch to the “9” position.
3. Set the switches (PF0 to PF3, FC0 to FC3, P1,
EXF, OC, SC, BU and W0 to W5) to set control
data.
For example, when the PF0 to PF3=“L(0), H(1),
H(1), L(0)”, FC0 to FC3=“L(0), H(1), L(0), H(1)”,
P1=“L(0)”, EXF=“L(0)”, OC=“L(0)”, SC=“L(0)”,
BU=“L(0)” and W0 to W5=“L(0), L(0), L(0),
L(0), L(0), L(0)”, are set.
Transfer Command Data
Note 1: D1 to D16= all “0” data, D17 to D96= “AUTO”
display data, D97 to D100= all “0” data,
DT0=“0”, DT1=“0”, PF0 to PF3=“0,1,1,0”,
FC0 to FC3=“0,1,0,1”,
W10 to W15=“0,0,0,0,0,0”,
W20 to W25=“0,0,0,0,0,0”, W30 to
W35=“0,0,0,0,0,0”,
PS10=“1”, PS11=“1”, PS20=“1”, PS21=“0”,
PS30=“0”, PS31=“1”, PS40=“1”, PS41=“1”,
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LC75843UGAGEVB
P0 to P2=“1,0,0”,
DN=“1”, EXF=“0”, OC=“0”, SC=“0”, BU=“0”.
Note 2: D17 to D96= “ %” display data,
W10 to W15, W20 to W25 and W30 to W35 are
set by the timer counter value. others is set the
same value.
The following figure shows the LCD display
contents.
“AUTO” display data is D[96:17] = 0111 0010
0000 0000 0110 0001 0110 0100 0011 0010
0100 1000 0000 1000 0010 0110 1000 0110
0100 0110.
The following figure shows the LCD display
contents.
The PWM duty is
displayed there.
(1 to 100)
Percent
DEMO Mode Change Timing
pushed the switch of “Command Set” after having changed
the switch of “DEMO mode”, command is transferred.
The LCD panel display is cleared when the customer pushes
the switch of “Command Set” after having set the switch of
“DEMO mode” to “0”.
The following figure shows the timing example when the
customer changes the switch of “DEMO mode”
successively. The update of the control data and display data
in the LCD driver IC does not change only by having
changed the switch of “DEMO mode”. When the customer
“DEMO mode”
switch
“6” (PWM test)
“1” (all on test)
“0” (all off test)
Push
Push
Push
“Command Set”
switch
Push
Push
“PWM Set” switch
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LED state
(S1/P1)
P1 = Turn off (Low)
LED state
(S2/P2)
P2 = Turn off (Low)
Turn on (100% duty)
Turn off (Low)
LED state
(S3/P3)
P3 = Turn off (Low)
Turn on (100% duty)
Turn off (Low)
LED state
(S4/P4)
P4 = Turn off (Low)
Turn on (100% duty)
Turn off (Low)
LCD display
(S5 to S24)
Display forced off
(VSS level)
“PWM_1” display
LCD display
(S28)
Display forced off
(VSS level)
All segments are off (OFF waveform drive)
“ 50%” display
“ 65%” display
(1)
(2)
Operation Sequence
1. The evaluation mode can be selected by moving
the switch of “DEMO mode”.
2. The evaluation mode can be changed by moving
the switch of “DEMO mode”.
3. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”.
(3)
All segments are on
All segments are off
(OFF waveform drive)
All segments are on
All segments are off
(OFF waveform drive)
(4)
(5)
4. The All OFF test mode is selected by moving
“DEMO mode” switch to the “0” position.
5. The CCB serial data are transferred from
a controller circuit to LCD driver IC by pushing
the switch of “Command Set”. Thereby, the LCD
panel display is cleared.
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OSCILLOSCOPE OBSERVATION WAVEFORM
Waveform of All OFF Test Mode (DEMO Mode = “0”)
COM1
5V
3.33V
1.66V
0V
S5
3.33V
1.66V
S28
3.33V
1.66V
20.2ms = 49.5Hz
P1
Figure 22. LCD Drive Waveform (SC = 0, BU = 0)
5V
3.33V
1.66V
0V
COM1
All segments are OFF
3.33V
1.66V
S5
All segments are OFF
S28
P1
3.33V
1.66V
20.2ms = 49.5Hz
Figure 23. LCD Drive Waveform (SC = 1, BU = 0)
COM1
Display forced off
0V
S5
Display forced off
0V
S28
Display forced off
0V
P1
not affected by BU
Figure 24. LCD Drive Waveform (SC = 0, BU = 1)
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LC75843UGAGEVB
Waveform of All ON Test Mode (DEMO Mode = “1”)
5V
3.33V
1.66V
0V
COM1
5V
3.33V
1.66V
0V
COM1
All segments are OFF
5V
S5
3.33V
1.66V
S5
0V
All segments are OFF
5V
S28
S28
3.33V
1.660V
0V
10.0ms = 99.2Hz
10.0ms = 99.2Hz
P1
P1
Figure 25. LCD Drive Waveform (SC = 0, BU = 0)
Figure 26. LCD Drive Waveform (SC = 1, BU = 0)
5V
Display forced off
COM1
COM1
0V
0V
2us
Display forced off
S5
S5
small load
0V
0V
26.8us
S28
S28
Display forced off
0V
P1
not affected by BU
5V
5V
small load
0V
27.2us
S28
big load
5V
3.33V
1.66V
0V
Figure 28. LCD Drive Rising Waveform of Big Load
(SC = 0, BU = 0, P1 = 1)
3.33V
1.66V
2.9us
S5
big load
P1
Figure 27. LCD Drive Waveform (SC = 0, BU = 1)
COM1
5V
5V
3.33V
1.66V
0V
P1
Figure 29. LCD Drive Falling Waveform of Big Load
(SC = 0, BU = 0, P1 = 0)
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Waveform of LCD Display Test (1) Mode (DEMO Mode = “2”)
COM1
5V
3.33V
1.66V
0V
COM1
S5
5V
3.33V
1.66V
0V
S5
S28
5V
3.33V
1.66V
0V
S28
fosc/2 = 6.52us = 153kHz
10.0ms = 99.2Hz
P1
5V
P1
0V
Figure 30. Monitor Clock Output from
a General-Purpose Port
Figure 31. Monitor Clock Output from
a General-Purpose Port (Zoom In)
Waveform of LCD Display Test (2) Mode (DEMO Mode = “3”)
COM1
5V
3.33V
1.66V
0V
COM1
S5
5V
3.33V
1.66V
0V
S5
S28
5V
3.33V
1.66V
0V
S28
10.0ms = 99.2Hz
fosc/8 =26.2us = 38.1kHz
P1
P1
5V
0V
Figure 32. Monitor Clock Output from
a General-Purpose Port
Figure 33. Monitor Clock Output from
a General-Purpose Port (Zoom In)
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Waveform of LED (PWM) Test (1) Mode (DEMO Mode = “6”)
LCD drive waveform are asynchronous to PWM waveform
LCD drive waveform are asynchronous to PWM waveform
5V
3.33V
1.66V
0V
COM1
4.2ms
P2
64us
5V
3.33V
1.66V
0V
COM1
2.14ms
2.14ms
turn on
5V
P2
turn off
turn on
0V
P3
5V
0V
turn on
4.28ms = 234Hz
turn off
4.28ms = 234Hz
5V
P3
turn off
turn on
turn off
0V
5V
0V
turn on
5V
P4
P4
turn off
turn on
turn off
0V
0V
Figure 34. 1%-duty PWM Drive Waveform
(PF0 to PF3 = 0100, W0 to W5 = 000000)
Figure 35. 50%-duty PWM Drive Waveform
(PF0 to PF3 = 0100, W0 to W5 = 111110)
LCD drive waveform are asynchronous to PWM waveform
LCD drive waveform are asynchronous to PWM waveform
5V
3.33V
1.66V
0V
COM1
64us
5V
3.33V
1.66V
0V
COM1
turn off
4.2ms
P2
5V
turn on
P2
turn on
5V
0V
0V
turn off
4.28ms = 234Hz
P3
5V
5V
P3
turn on
turn on
5V
0V
0V
turn off
5V
P4
P4
turn on
turn on
Figure 36. 98%-duty PWM Drive Waveform
(PF0 to PF3 = 0100, W0 to W5 = 011111)
Figure 37. 100%-duty PWM Drive Waveform
(PF0 to PF3 = 0100, W0 to W5 = 111111)
LCD drive waveform are asynchronous to PWM waveform
LCD drive waveform are asynchronous to PWM waveform
COM1
COM1
turn on
P2
turn off
13.2us
5V
P2
turn off
turn on
0V
P3
turn on
840us = 1.19kHz
P3
turn off
turn on
turn off
5V
0V
5V
5V
turn off
turn on
0V
0V
P4
5V
0V
0V
5V
P4
0V
turn off
turn on
5V
0V
Figure 38. 1%-duty PWM Drive Waveform
(PF0 to PF3 = 0101, W0 to W5 = 000000)
Figure 39. 1%-duty PWM Drive Waveform
(Zoom In)
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LC75843UGAGEVB
Waveform of LCD Drive Output
COM1
5V
3.33V
1.66V
0V
COM1
5V
3.33V
1.66V
0V
S5
5V
3.33V
1.66V
0V
S5
5V
3.33V
1.66V
0V
S28
5V
3.33V
1.66V
0V
S28
P1
Frame (fo=99Hz)
P1
Figure 40. 1/4 Duty LCD Drive Scheme
(JPDT0 = Remove, JPDT1 = Remove)
Frame (fo=99Hz)
Figure 41. 1/3 Duty LCD Drive Scheme
(JPDT0 = Insert, JPDT1 = Remove)
5V
5V
2.5V
0V
COM1
5V
3.33V
1.66V
0V
COM1
0V
5V
5V
S5
S5
0V
0V
5V
S28
5V
S28
0V
0V
P1
Frame (fo=99Hz)
P1
Figure 42. 1/2 Duty LCD Drive Scheme
(JPDT0 = Remove, JPDT1 = Insert)
Frame (fo=99Hz)
Figure 43. 1/1 Duty LCD Drive Scheme
(JPDT0 = Insert, JPDT1 = Insert)
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LC75843UGAGEVB
PRINTED CIRCUIT BOARD LAYOUT
Figure 44. Pattern1 Layer of LC75843UGAGEVB Reference Design
Figure 45. Pattern2 Layer of LC75843UGAGEVB Reference Design
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54
LC75843UGAGEVB
Figure 46. Regist1 Layer of LC75843UGAGEVB Reference Design
Figure 47. Regist2 Layer of LC75843UGAGEVB Reference Design
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55
LC75843UGAGEVB
LC75843UGAGEVB
GND 9Vin
Figure 48. Silk2 Layer of LC75843UGAGEVB Reference Design
200.0
4.0
4.0
4.0
4.0
150.0
4.0
4.0
4.0
4.0
Unit: mm
Figure 49. Outside Dimension of LC75843UGAGEVB Reference Design
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LC75843UGAGEVB
ABOUT THE USE OF THE AC ADAPTER
If the customer prepares parts and remodels it by
soldering, the customer can change a main power supply
into an evaluation board supplied from an AC adapter. In this
case, please be careful about polarity enough. When the AC
adapter of the wrong polarity was used, the evaluation board
may be damaged.
Table 15. RECOMMENDATION PARTS
Description
Manafuacturer
Manufacturer Part Number
Explanation
Lead Free
DC power jack
Marushin Electric Mfg
MJ-179PH
Mate Plug 2.1 mm
Yes
AC adapter
Go Forward Enterprise
GF12-US0913
DC9V, Center Plus
Yes
(1) 9Vin
(2) GND
(3) GND
(2) GND
Center Plus
(1) 9Vin
(3) GND
Contents of Alteration Work
(1) Remove the Socket Pins (“9Vin”, “GND”).
(2) Take Off a Label.
(3) Soldering the DC Power Jack.
(1) Remove the Socket Pins
(3) Soldering the DC Power Jack
(2) Take Off a Label
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LC75843UGAGEVB
BILL OF MATERIALS
Table 16. BILL OF MATERIALS OF LC75843UGA EVALUATION BOARD (LC75843UGAGEVB)
Designator
Qty.
Description
Part Number
Value
Manufacturer
IC1−IC3
3
IC4
1
Linear Regulator (LDO)
LM317EMP
1.2 V to 37 V, 1 Amax
National Semiconductors
FPGA (Cyclone)
EP1C3T144C8N
TQFP144
ALTERA
IC5
IC6
1
Configuration ROM (EEPROM)
EPCS1SI8N
1 Mbit
ALTERA
1
Power Supply Voltage Supervisors
TLC7733ID
VTH = 2.93 V
TI
IC7
1
Crystal Oscillator
KC7050B50.0000C31B00
50.0000 MHz
KYOCERA
LSI
1
LCD Driver IC
LC75843UGA
1/1 to 1/4 Duty,
100 Segments(max)
ON Semiconductor
LCD
1
LCD Panel
VIM-828-DP5.7-6-HV-RH-W
14SEGx8DIGIT, 1/4 Duty
Varitronix
TR1−TR4
4
NPN Transistor
2SC2712-GR(F)
VCEO = 50 V, Ic = 150 mA
Toshiba
D1, D2
2
Diode
MMSD4148T
VR = 100 V, IF = 0.2 A
ON Semiconductor
LED1, LED7
1
LED
L-934ID
Red, D = 3 mm
Kingbright
LED2, LED3, LED6
3
LED
L-934SGD
Green, D = 3 mm
Kingbright
LED4
1
LED
LATBT66B
RGB-color, Anode Common
Siemens AG (OSRAM)
LED5
1
LED
MSML-A101-S00J1
Orange
Avago TECHNOLOGIES
R8
1
Resistor
MCR10EZPF10R0
10 W ±1%, 1/8 W
ROHM
R2
1
Resistor
MCR10EZPF51R0
51 W ±1%, 1/8 W
ROHM
R46
1
Resistor
MCR10EZPF82R0
82 W ±1%, 1/8 W
ROHM
R45
1
Resistor
MCR10EZPF91R0
91 W ±1%, 1/8 W
ROHM
R19
1
Resistor
MCR10EZPF1000
100 W ±1%, 1/8 W
ROHM
R43, R44
2
Resistor
MCR10EZPF2000
200 W ±1%, 1/8 W
ROHM
R1, R3
2
Resistor
MCR10EZPF2400
240 W ±1%, 1/8 W
ROHM
R5
1
Resistor
MCR10EZPF3300
330 W ±1%, 1/8 W
ROHM
R6
1
Resistor
MCR10EZPF3600
360 W ±1%, 1/8 W
ROHM
R4, R23−R25, R27−R29
7
Resistor
MCR10EZPF3900
390 W ±1%, 1/8 W
ROHM
R7
1
Resistor
MCR10EZPF6200
620 W ±1%, 1/8 W
ROHM
R9, R10, R20−R22,
R39−R42, R47, R48
11
Resistor
MCR10EZPF1001
1 kW ±1%, 1/8 W
ROHM
R11−R18
8
Resistor
MCR10EZPF1002
10 kW ±1%, 1/8 W
ROHM
R26
1
Resistor
MCR10EZPF3002
30 kW ±1%, 1/8 W
ROHM
R30−R38
9
Resistor
MCR10EZPF1003
100 kW ±1%, 1/8 W
ROHM
C21
1
Multilayer Ceramic Capacitor
C2012JB2E102K
1000 pF ±10%, 250 V
TDK
C2, C3, C5, C7,
C9−C19, C22, C24
17
Multilayer Ceramic Capacitor
GRM21BB11H104KA01L
0.1 mF ±10%, 50 V
Murata
C4, C6, C8, C20, C25
5
Multilayer Ceramic Capacitor
GRM21BB31A106KE18L
10 mF ±10%, 10 V
Murata
C1, C23
2
Aluminum Electrolytic Capacitor
25PK100MEFC5X11
100 mF ±20%, 25 V
Rubycon
SW1
1
Toggle Switch
A-12AH
ON-ON, Right Angle,
0.4 VA MAX 28 V
NIKKAI
SW5−SW23
19
Toggle Switch
G-12AP
ON-ON, Straight,
0.4 VA MAX 28 V
NIKKAI
SW3, SW4
2
Push Button Switch
B3F-1002
H = 5 mm, 150 g
OMRON
SW2
1
Rotary Code Switch
ERD210RSZ
Shift Type, 0 to 9, BCD,
Real Code
Excel Cell Electronic
CN1
1
Connector
HIF3FC-10PA-2.54DSA(71)
10pin, Straight,
Polarity Slot 1
HIROSE
CN2-CN5
4
Socket Terminal
FHU-1x42SG
9pin
Useconn Electronics
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LC75843UGAGEVB
Table 16. BILL OF MATERIALS OF LC75843UGA EVALUATION BOARD (LC75843UGAGEVB) (continued)
Designator
Qty.
Description
Part Number
Value
Manufacturer
VDD5V, VOUP, GND1−GND4,
OSCI, INH, CE, CL, DI
11
Check Terminal
WT-2-1
D = 3 mm, H = 10 mm
MAC8
S1−S24, S28
25
Check Terminal
LC-2-G-White
White
MAC8
COM1−COM4
4
Check Terminal
LC-2-G-Skyblue
Skyblue
MAC8
JPDT0, JPDT1, JP5V, JP300K,
JP38K, JPGND, JPINH, JPCE,
JPCL, JPDI, JPUP,
JPP1−JPP4, 9Vin, GND
17
Socket Pin
W81102T3825RC
2pin
RS Components
SP5V, SPUP
2
Jump Socket
MJ254-6RD
Red
Useconn Electronics
SPOSCI
1
Jump Socket
MJ254-6BU
Blue
Useconn Electronics
SPINH, SPCE, SPCL, SPDI
4
Jump Socket
MJ254-6WH
White
Useconn Electronics
SPP1−SPP4
4
Jump Socket
MJ254-6GN
Green
Useconn Electronics
1
Printed Board
LC75843UGAGEVBPCB
200 × 150 mm, t = 1.6 mm,
2-levels, FR-4
ON Semiconductor
4
Screw
M3
4
Nut
4
Natural Rubber Foot
M3
BU-692-A
Black, M15 × 7.5 mm
SATO PARTS
CCB is a registered trademark of Semiconductor Components Industries, LLC.
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks,
copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. SCILLC
reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any
particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without
limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications
and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC
does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for
surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where
personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and
its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly,
any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture
of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
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EVBUM2231/D