EMC EPL09060

EPL09060
9 COM/ 60 SEG
LCD Driver
Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
December 2005
Trademark Acknowledgments:
IBM is a registered trademark and PS/2 is a trademark of IBM.
Windows is a trademark of Microsoft Corporation.
ELAN and ELAN logo
are trademarks of ELAN Microelectronics Corporation.
Copyright © 2005 by ELAN Microelectronics Corporation
All Rights Reserved
Printed in Taiwan
The contents of this specification are subject to change without further notice. ELAN Microelectronics assumes
no responsibility concerning the accuracy, adequacy, or completeness of this specification. ELAN
Microelectronics makes no commitment to update, or to keep current the information and material contained in
this specification. Such information and material may change to conform to each confirmed order.
In no event shall ELAN Microelectronics be made responsible for any claims attributed to errors, omissions, or
other inaccuracies in the information or material contained in this specification. ELAN Microelectronics shall
not be liable for direct, indirect, special incidental, or consequential damages arising from the use of such
information or material.
The software (if any) described in this specification is furnished under a license or nondisclosure agreement, and
may be used or copied only in accordance with the terms of such agreement.
ELAN Microelectronics products are not intended for use in life support appliances, devices, or systems. Use of
ELAN Microelectronics product in such applications is not supported and is prohibited.
NO PART OF THIS SPECIFICATION MAY BE REPRODUCED OR TRANSMITTED IN ANY FORM OR
BY ANY MEANS WITHOUT THE EXPRESSED WRITTEN PERMISSION OF ELAN MICROELECTRONICS.
ELAN MICROELECTRONICS CORPORATION
Headquarters:
Hong Kong:
USA:
No. 12, Innovation Road 1
Hsinchu Science Park
Hsinchu, Taiwan 30077
Tel: +886 3 563-9977
Fax: +886 3 563-9966
http://www.emc.com.tw
Elan (HK) Microelectronics
Corporation, Ltd.
Elan Information
Technology Group (U.S.A)
Rm. 1005B, 10/F Empire Centre
68 Mody Road, Tsimshatsui
Kowloon , HONG KONG
Tel: +852 2723-3376
Fax: +852 2723-7780
[email protected]
1821 Saratoga Ave., Suite 250
Saratoga, CA 95070
USA
Tel: +1 408 366-8225
Fax: +1 408 366-8220
Europe:
Shenzhen:
Shanghai:
Elan Microelectronics Corp.
(Europe)
Elan Microelectronics
Shenzhen, Ltd.
Elan Microelectronics
Shanghai, Ltd.
Siewerdtstrasse 105
8050 Zurich, SWITZERLAND
Tel: +41 43 299-4060
Fax: +41 43 299-4079
http://www.elan-europe.com
SSMEC Bldg., 3F, Gaoxin S. Ave.
Shenzhen Hi-Tech Industrial Park
Shenzhen, Guandong, CHINA
Tel: +86 755 2601-0565
Fax: +86 755 2601-0500
23/Bldg. #115 Lane 572, Bibo Road
Zhangjiang Hi-Tech Park
Shanghai, CHINA
Tel: +86 21 5080-3866
Fax: +86 21 5080-4600
Contents
Contents
1
2
3
4
5
6
7
General Description .................................................................................................. 5
Features ..................................................................................................................... 5
Applications............................................................................................................... 6
Pin Configuration (Package) .................................................................................... 6
Functional Block Diagram........................................................................................ 8
Pin Description.......................................................................................................... 9
Functional Description ........................................................................................... 12
7.1
MPU Interface ...................................................................................................12
7.1.1
7.1.2
7.2
Data Transfer ....................................................................................................14
7.2.1
7.2.2
7.3
Voltage Converter Circuits.................................................................................23
Voltage Regulator Circuits.................................................................................23
Voltage Follower Circuits...................................................................................25
Oscillator ...........................................................................................................26
Oscillator Frequency .........................................................................................26
7.5 Reset Circuit .....................................................................................................27
Control Register ...................................................................................................... 28
Application Information .......................................................................................... 37
9.1
Instruction Procedure Examples .......................................................................37
9.1.1
9
10
11
12
13
Display Data Latch Circuit .................................................................................17
Shift Register Circuit..........................................................................................18
Common Driver Circuit ......................................................................................20
Segment Driver Circuit ......................................................................................20
LCD Driving Waveform......................................................................................21
Internal Power Circuits......................................................................................22
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
8
9
Display Data RAM (DDRAM) ............................................................................15
Programmable Duty Ratio.................................................................................16
LCD Driver Circuits ...........................................................................................17
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.4
Chip Select ........................................................................................................12
Selecting the Interface Type..............................................................................13
Initial Setup........................................................................................................37
Relationship between Setting and Common/Display RAM ................................. 42
Absolute Maximum Ratings ................................................................................... 43
DC Characteristics .................................................................................................. 44
AC Characteristics .................................................................................................. 45
Application Circuit .................................................................................................. 53
Product Specification (V1.0) 12.28.2005
iii
Contents
Specification Revision History
Doc. Version
iv •
Revision Description
Date
0.1
Initial version
2004/02/20
0.2
Deleted the background confidential mark.
2004/03/04
0.3
Modified the VREF20 Range at the DC characteristics table.
2005/03/28
1.0
Removed the background Preliminary mark.
2005/12/28
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
1 General Description
The EPL09060 is a driver and controller LSI for graphic dot-matrix liquid crystal
display systems. It can be interfaced to the MPU via serial or 8-bit interface. It
contains 9 common and 60 segment driver circuits. A single chip can drive a graphic
display system with a maximum of 60 × 9 dots.
2 Features
„
Direct Correspondence between Display Data RAM and LCD Pixel
„
Display Data RAM : 43 × 102 = 4386 bits
„
69 LCD Drivers : 60-seg segment drivers, 8-common drivers and 1-icon
„
Serial Interface (SPI) or 8-Bit Parallel Interface Mode (80-/68-series MPU)
„
On-chip oscillator circuit
„
Programmable Duty Ratio:
Duty Ratio
Common
Segment
1: 8 (+ ICON)
1:16 (+ICON)
8 (+ ICON)
16 (+ICON)
60
60
Note: ICON = “0” : Pin disable
ICON = “1” : Pin enable
„
Selectable LCD driving bias level :
1/3,1/3.5,1/4,1/4.5,1/5,1/5.5,1/6,1/6.5,1/7,1/7.5,1/8 bias
„
Selectable LCD display clock frequency
„
Electronic contrast control function (64 steps)
„
Built-in useful Instruction Set : Display data read/write, Display on/off, Inverse
display, Page address set, Common address set, LCD display contrast control,
Set Sleep mode, Standby mode, etc.
„
Operating Voltage range : 
− Supply voltage : 2.2V to 3.4 V
− LCD driving voltage : 3.0V to 6 V
„
Package (Ordering information):
Part Number
Package
Description
Package Information
EPL09060H
Bare die
NA
Page 6
Note: The EPL09060 series has the following sub-codes, depending on their shapes.
H: Bare die (Aluminum pad without bump);
GH: Gold bumped die
F: COF package;
T: TAB (TCP) package
Example:
EPL09060H Æ EPL09060 Elan; H: Bare die
Product Specification (V1.0) 12.28.2005
•5
EPL09060
9 COM/60 SEG LCD Driver
3 Applications
Organizer
Electronic Dictionary
Scientific calculator
Cellular phone
Graphic pager
Handy Terminals (PDA)
4 Pin Configuration (Package)
104 103102
72 71 70
1
69
2
68
DDRAM
3
67
15
53
16
52
17
51
18 19 20
49 50 51
Figure 1 Pin Configuration
NOTE
With the Elan logo at the right bottom corner (as shown in the figure) and
DDRAM (black color) at the right side, Pin 1 is at the upper left corner.
Pad Configuration
Item
Size
Pad No.
X
−
4040
2070
Pad size (Type A)
1, 17~21, 30~52, 69~104
85
90
Pad size (Type B)
2, 14~15, 22~29
90
90
Pad size (Type C)
4~13, 16, 53~68
90
85
Chip size
Pad pitch
6•
Unit
Y
Type A
105
Type B
110
µm
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
Pad Coordinates Table
Pad No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Symbol
COMI1
VDD
VDD
C1+
C1C2+
VOUT
V0
V1
V2
V3
V4
VR
GND
GND
PS
C86
CLS
OSC
IRS
/RES
D7
D6
D5
D4
D3
D2
D1
D0
CS2
/CS1
A0
/WR
/RD
TEST
COM7
COM6
COM5
COM4
COM3
COM2
COM1
COM0
COMI2
SEG59
SEG58
SEG57
SEG56
SEG55
SEG54
SEG53
SEG52
X
-3852.5
-3860.0
-3860.0
-3868.1
-3868.1
-3868.1
-3868.1
-3868.1
-3868.1
-3868.1
-3868.1
-3868.1
-3868.1
-3860.0
-3860.0
-3868.1
-3870.7
-3765.7
-3660.7
-3555.7
-3450.7
-3318.2
-3208.2
-3098.2
-2988.2
-2878.2
-2768.2
-2658.2
-2548.2
-2403.5
-2298.5
-2193.5
-2088.5
-1983.5
-1878.5
-1752.5
-1647.5
-1542.5
-1437.5
-1332.5
-1227.5
-1122.5
-1017.5
-912.5
-807.5
-702.5
-597.5
-492.5
-387.5
-282.5
-177.5
-72.5
Y
-75.3
-229.15
-353.9
-473.1
-578.1
-683.1
-788.1
-893.1
-998.1
-1103.1
-1208.1
-1313.1
-1418.1
-1541.3
-1651.3
-1774.2
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1890.0
-1890.0
-1890.0
-1890.0
-1890.0
-1890.0
-1890.0
-1890.0
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
-1898.1
Pad No.
Symbol
X
Y
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
SEG51
SEG50
SEG49
SEG48
SEG47
SEG46
SEG45
SEG44
SEG43
SEG42
SEG41
SEG40
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
-75.1
-75.1
-75.1
-75.1
-75.1
-75.1
-75.1
-75.1
-75.1
-75.1
-75.1
-75.1
-75.1
-75.1
-75.1
-75.1
-72.5
-177.5
-282.5
-387.5
-492.5
-597.5
-702.5
-807.5
-912.5
-1017.5
-1122.5
-1227.5
-1332.5
-1437.5
-1542.5
-1647.5
-1752.5
-1857.5
-1962.5
-2067.5
-2172.5
-2277.5
-2382.5
-2487.5
-2592.5
-2697.5
-2802.5
-2907.5
-3012.5
-3117.5
-3222.5
-3327.5
-3432.5
-3537.5
-3642.5
-3747.5
-1774.2
-1669.2
-1564.2
-1459.2
-1354.2
-1249.2
-1144.2
-1039.2
-934.2
-829.2
-724.2
-619.2
-514.2
-409.2
-304.2
-199.2
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
-75.3
Note: For PCB layout, the IC substrate must be connected to VSS or floating.
Product Specification (V1.0) 12.28.2005
7
EPL09060
9 COM/60 SEG LCD Driver
5 Functional Block Diagram
SEG0
V0
V1
V2
V3
V4
VSS
COM7 COMI
SEG59 COM0
SEGMENT DRIVER
CIRCUITS
COMMON DRIVER
CIRCUITS
LATCH CIRCUIT
SHIFT REGISTER
Voltage
Converter
DISPLAY DATA RAM
LINE COUNTER
Connect the
capacitor
LINE ADDRESS
DECODE
VOUT
LOW ADDRESS
DECODER
Voltage
Regulator
PAGE ADDRESS
REGISTER
VR
INITIAL DISPLAY LINE
REGISTER
Voltage
Followers
COLUMN ADDRESS
DECODER
Display
Timing
Generator
Circuit
COLUMN ADDRESS
COUNTER
COLUMN ADDRESS
REGISTER
INSTRUCTION
DECODER
Oscillator
Bus holder
MPU Interface
STATUS
REGISTER
INSTRUCTION
REGISTER
CLS
OSC
I/O Buffer
( Serial / Parallel )
IRS /CS1CS2 A0 /RD /WRC86 P/S /RES D7 D6 D5 D4 D3 D2 D1 D0
(E) (R/W)
(SDI)(SCK)(SDO)
Figure 2 System Block Diagram
8•
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
6 Pin Description
Power Supply
Name
I/O
Description
VDD
Power
VDD Power Supply
VSS
Power
0V (GND)
LCD driver supply voltages. The voltage applied is determined by the LCD
pixel and is changed through changing the impedance using an operational
amplifier (OPA) for various applications. Voltage levels are determined
based on V0, and must maintain the relative magnitudes shown below:
V0≧V1≧V2≧V3≧V4≧VSS
When the internal power circuit is active, these voltages are generated
according to the state of LCD bias, The selection of voltages is determined
by the “LCD bias select” instruction, as shown in the table below.
V0
V1
V2
V3
V4
Power
LCD Bias
V1
V2
V3
V4
1/8 Bias
1/7.5 Bias
1/7 Bias
1/6.5 Bias
1/6 Bias
1/5.5 Bias
1/5 Bias
1/4.5 Bias
1/4 Bias
1/3.5 Bias
1/3 Bias
7/8 × V0
6.5/7.5 × V0
6/7 × V0
5.5/6.5 × V0
5/6 × V0
4.5/5.5 × V0
4/5 × V0
3.5/4.5 × V0
3/4 × V0
2.5/3.5 × V0
2/3 × V0
6/8 × V0
5.5/7.5 × V0
5/7 × V0
4.5/6.5 × V0
4/6 × V0
3.5/5.5 × V0
3/5 × V0
2.5/4.5 × V0
2/4 × V0
1.5/3.5 × V0
1/3 × V0
2/8 × V0
2/7.5 × V0
2/7 × V0
2/6.5 × V0
2/6 × V0
2/5.5 × V0
2/5 × V0
2/4.5 × V0
2/4 × V0
2/3.5 × V0
2/3 × V0
1/8 × V0
1/7.5 × V0
1/7 × V0
1/6.5 × V0
1/6 × V0
1/5.5 × V0
1/5 × V0
1/4.5 × V0
1/4 × V0
1/3.5 × V0
1/3 × V0
LCD Driver Supply
Name
C1+
C1C2+
VOUT
VR
I/O
Description
O
Boosted capacitor connecting terminals used for voltage booster.
O
Boosted capacitor connecting terminals used for voltage booster.
I/O
Voltage converter output
I
V0 voltage adjustment pin
Product Specification (V1.0) 12.28.2005
9
EPL09060
9 COM/60 SEG LCD Driver
System Control
Name
I/O
P/S
I
C86
I
CLS
I
OSC
I
IRS
I
TEST
I
Description
Select theInterface mode with the MPU.
When PS = "High": Parallel interface mode
When PS = "Low": Serial interface mode
Select the kinds of the MPU to interface.
When C86 = "High": 68-series MPU interface mode
When C86 = "Low": 80-series MPU interface
Internal oscillator circuit enable / disable select pin.
CLS = “H”: Enable the Internal oscillator circuit
CLS = “L”: Disable the Internal oscillator circuit
(External display clock input to the OSC pin)
When using an external oscillator, input the clock to the OSC pin.
When using an internal oscillator, leave this pin open.
Internal resistor select pin.
This pin selects the resistors for adjusting the V0 voltage level and is
available only in master mode.
- IRS = "H": Internal resistors are used.
- IRS = "L": External resistors are used. V0 voltage is controlled using the
external divider resistor connecting the VR pin.
Test pin. Must be fixed at VSS.
MPU Interface
Name
/RES
I/O
I
Description
Hardware reset input
The LSI is reset when this signal is pulled low (Active low)
Chip select signals. The Chip Select of the LSI becomes active when CS1
is "L" and CS2 is "H", which allows input/output of data or commands.
/CS1, CS2
A0
I
/WR (R/W)
I
/RD (E)
I
D0 to D7
10 •
I
I/O
/CS1
CS2
Status
“L”
“L”
“H”
“L”
“H”
“L”
The device is not active (D7~D0 is Hi-Z)
Data and instruction are available.
The device is not active (D7~D0 is Hi-Z)
“H”
“H”
The device is not active (D7~D0 is Hi-Z)
Used as register selection input
When A0 = "High", Data register
When A0 = "Low", Instruction register
When C86 = "High"(68-series MPU interface), used as read (/WR = "High"),
write (/WR = "Low")
When C86 = "Low " (80-series MPU interface), used as write enable input
(/WR)
When C86 = "High"(68-series MPU interface), used as read/write enable
input (E).
When C86 = "Low "(80-series MPU interface), used as read enable input
(/RD)
When in serial mode, D6 (SCK) is used as serial clock input pin, D7 (SDI) is
used as serial data input pin, D5 (SDO) is used as serial data output pin and
the others are not used.
When in parallel mode, D0 to D7 are used as bidirectional data bus pin.
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
LCD Driver Output
Name
I/O
Description
LCD common output pins
Scan Data
COM0 to
COM7
H
O
L
FR
COMs Output Voltage
H
L
H
L
Vss
V0
V1
V4
Power Save Mode
COMI
O
Vss
There are two icon display pins. Both pins output the same signal. Leave
these pins open when they are not used.
LCD segment output pins
Display Data
SEG0 to
SEG59
O
H
L
H
L
L
Power Save Mode
Product Specification (V1.0) 12.28.2005
H
SEGs Output Voltage
FR
Normal Display
Reverse Display
V0
Vss
V2
V3
V2
V3
V0
Vss
Vss
11
EPL09060
9 COM/60 SEG LCD Driver
7 Functional Description
Instruction
Decoder
Instruction
Register
Bus Holder
Status
Register
I/O Buffer
( Serial/Parallel )
MPU Interface
/CS1 CS2 A0 /RD /WR C86 P/S /RES D7 D6 D5 D4 D3 D2 D1 D0 BUSY
(E) (R/W)
(SDI)(SCK)(SDO)
Figure 3 System Interface
7.1 MPU Interface
7.1.1 Chip Select
The EPL09060 has two chip select pins /CS1 and CS2. When /CS1="L" and
CS2=”H”, MPU interface is available. When the chip select pin is inactive (other /CS1
and CS2 condition), D7 to D0 are high impedance (invalid) and input of A0, /RD, or
/WR inputs are not effective. If serial interface is selected, the shift register and the
counter are both reset. However, reset is always operated in any conditions of /CS1
and CS2.
P/S
C86
A0
WR
/RD
D0~D4
D5
D6
D7
Serial
Mode
(L)
SPI interface
(−)
A0
R/W
−
*
SDO
SCK
SDI
A0
/WR
/RD
D0~D7
A0
R/W
E
D0~D7
Parallel 80-series (L)
Mode
68-series (H)
(H)
Note: “
* ” Don’t care (“High”, “Low” or “Open”)
“−” Indicates that it is fixed to either “High” (VDD) or “Low” (VSS)
12 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
7.1.2 Selecting the Interface Type
The EPL09060 can be operated with serial interface (SPI) and parallel interface (80series or 68-series) as selected by P/S pin.
Serial Interface (SPI)
When serial mode (PS = "L"), D6 (SCK) is used as serial clock input pin, D7 (SDI) is
used as serial data input pin, D5 (SDO) is used as serial data output pin. When the
LSI is active (/CS1=”L”, CS2=”H”), serial data input (D7), serial clock input (D6) inputs
and serial data output (D5) are enabled. The 8-bit shift register and 3-bit counter are
reset to the initial condition when the chip is not selected. The data input/output from
SDI/SDO terminal is MSB first as in the order of D7, D6…D0, and is latched at the
rising edge of the serial clock SCK. Serial input data is display data when A0="H"
and instruction when A0="L". The A0 input is read in and identified at the rising edge
of the (8 x n) serial clock pulse. Since the clock signal (D6) is easy to be affected by
the external noise caused by the line length, the operation check on the actual
machine is recommended.
/CS1
CS2
SCK
(D6)
SDI
(D7)
D7
SDO
(D5)
D6
D7
D5
D6
D4
D5
D3
D4
D2
D3
D1
D2
D0
D1
D7
D0
D7
A0
Figure 4 Serial Interface Signal Chart
A0
/WR (R/W)
D7 (SDI)
D5 (SDO)
0
0
Instruction Write
Status Read
0
1
Invalid
Status Read
1
0
Display Data Write
Status Read
1
1
Invalid
Display Data Read
Product Specification (V1.0) 12.28.2005
13
EPL09060
9 COM/60 SEG LCD Driver
Parallel Interface (8-bit Length)
Parallel mode (8-bit length): When parallel input is selected (PS = ”H”), D0~D7 can be
connected directly to the 80-series or 68-series MPU by setting the C86 pin to high or
low.
A0
/RD
/WR
D7~D0
N
D(N)
D(N+1)
D(N+2)
D(N+3)
D(N+4)
D(N+2)
D(N+3)
Write Timing Diagram
A0
/RD
/WR
D7~D0
N
Dummy
D(N)
D(N+1)
Read Timing Diagram
Figure 5 Write and Read Timing Diagrams
Common
A0
80-Series
68-Series
Description
/RD
/WR
R/W
H
L
H
H
Display data read
H
H
L
L
Display data write
L
L
H
H
Register status read
L
H
L
L
Writes to Instruction register
7.2 Data Transfer
The EPL09060 uses a bus holder and an internal data bus for data transfer with the
MPU. When writing data from the MPU to the DDRAM, data is automatically
transferred from the bus holder to the DDRAM. When reading data from the DDRAM
to the MPU, the data for the initial read cycle is stored in the bus holder (dummy read)
and the MPU reads this stored data from the bus holder for the next data read cycle.
14 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
Register
Initial Display Line
Line Counter
Decoder
D is p la y D a t a R A M
Line Address
Decoder
Low Address
Register
Page Address
7.2.1 Display Data RAM (DDRAM)
C o lu m n A d d r e s s D e c o d e r
C o lu m n A d d r e s s C o u n t e r
C o lu m n A d d r e s s R e g is t e r
Figure 6 Display Data RAM Diagram
The display data RAM (DDRAM) stores pixel data for the LCD. It is a 43-row × 102column addressable array. It is possible to access any required bit by specifying the
page address and the column address. The 43 rows are divided into five pages of
eight lines, one page with two lines (D0, D1) and the seventh page with a single line
(D0 only).
Each bit in the Display Data RAM corresponds to each pixel of the LCD panel. Each
bit in the Display Data RAM corresponds to each pixel of the LCD panel and controls
the display by applying the following bit data.
When in Normal Display : On="1" , Off="0"
When in Inverse Display : On="0" , Off="1"
(Refer to “Inverse Display On/Off” instruction for more details.)
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
1
0
1
0
1
0
0
1
0
1
0
1
0
0
1
0
1
0
1
0
0
1
0
1
0
1
0
0
0
0
0
0
0
0
Display Data RAM
Normal Display
Inverse Display
Figure 7 Display Data RAM, Normal and Inverse Liquid Crystal Display Diagrams
Product Specification (V1.0) 12.28.2005
15
EPL09060
9 COM/60 SEG LCD Driver
7.2.2 Programmable Duty Ratio
The duty ratio is selected by using the “Set Duty Ratio” instruction.
The common output circuits are shown in the following figure. They are separated
into three shift registers and controlled by the "duty ratio register".
COM7
COM0
COMI
Common Driver (8)
Common
Driver (1)
8-bit Shift Register
1-bit Shift
Register
4
Duty Ratio
Register
Figure 8 Common Output Circuits
Common Output Pins
Duty
SHL
COM0
COM1 COM2 COM3 COM4 COM5 COM6 COM7 COMI
Line Address
1/9
0
0
1
2
3
-
-
-
-
COMI
1/8
1
7
6
5
4
-
-
-
-
-
1/17
0
0
1
2
3
4
5
6
7
COMI
1/16
1
F
E
D
C
B
A
9
8
-
Relationship between Duty Ratio and Common Output
It should be noted that when using 1/16 duty (SHL=0), the MCU writes data to the
LCD DRAM (Page 0: line addresses 0~7; Page 1: line addresses 8~15) and it will
correspond to common output pins (Page 0: COM0~7; Page 1: COM34~41). But the
EPL09060 have real output common pins COM0~7 and COMI, the others are invalid.
Initial Display Line Register
The initial display line register assigns a DDRAM line address which corresponds to
COM0 by using the “Initial display line set” instruction. It is used not only for normal
display but also for vertical display scrolling and page switching without changing the
contents of the DDRAM. However, the 9th address for the icon display cannot be
assigned for the initial display line address.
Line Counter
The line counter provides a DDRAM line address. It initializes its contents at the
switching of frame reversal signal (FR (internal)), and also counts-up in
synchronization with the common timing signal.
16 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
Column Address Counter
The column address counter is an 8-bit preset counter which provides a DDRAM
column address, and is independent of page address register.
It will increment (+1) the column address whenever “display data read” or “display
data write” instructions are issued. However, the incrementing of column address is
stopped at column address 65H. The count-lock will be released by the “column
address set” instruction again. The counter can inverts the correspondence between
the column address and segment driver direction by means of “ADC select”
instruction.
Page Address Register
The page address register provides a DDRAM page address. The Page Address 6 is
used for icon display, and only D0 is valid.
7.3 LCD Driver Circuits
COM0
V0
V1
V2
V3
V4
VSS
COM7 COMI SEG0
SEG59
Common Driver
Circuits
Segment Driver
Circuits
Shift Register
Latch Circuit
Display Timing
Generator
Circuit
From the Display Data RAM
Figure 9 LCD Driver Circuits
This driver circuit is configured by 8-common drivers, 60-segment drivers and 1-iconcommon driver. This LCD panel driver voltage depends on the combination of
display data and FR (internal) signal.
7.3.1 Display Data Latch Circuit
The display data latch circuit is a latch that temporarily stores the display data that is
output to the liquid crystal driver circuit from the display data RAM. “Display on/off”,
“Inverse display on/off” and “Entire display on/off” instructions control only the
contents of this latch circuit, they cannot change the contents of the DDRAM.
Product Specification (V1.0) 12.28.2005
17
EPL09060
9 COM/60 SEG LCD Driver
7.3.2 Shift Register Circuit
The circuit contains a 42-bit shift register to shift the turn-on data required for the LCD
drive common signals and 1-bit shift register used for icon. The clock of this shift
register is generated by display clock CL (internal).
Examples of 1/17 duty (ICON enable) driving waveform
1 /1 7 D u ty
CL
(in te rn a l)
0
1
7
16 0
1
2
7
16
0
1
FR
(in te rn a l)
COM0
COM1
COM7
COMI
Figure 10 1/17 Duty Driving Waveform
18 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
Examples of 1/16 duty (ICON disable) driving waveform
1 /1 6 D u ty
CL
(in te rn a l)
0
7
1
15 0
1
2
7
15 0
1
FR
(in te rn a l)
COM0
COM1
COM7
Figure 11 1/17 Duty Driving Waveform
Product Specification (V1.0) 12.28.2005
19
EPL09060
9 COM/60 SEG LCD Driver
7.3.3 Common Driver Circuit
The Common driver circuit consists of nine drive circuits. One of the four LCD driving
level is selected by the combination of FR (internal) and the data from the sift register.
V0
VCON
VSS
COM0~7,COM I
Shift Data
V4
Scan
Data
FR
COMs Output
Voltage
H
L
H
L
L
Power save mode
VSS
V0
V1
V4
VSS
H
VCOFF
V1
FR
(internal)
Figure 12 Common Driver Circuit
7.3.4 Segment Driver Circuit
The Segment driver circuit consists of 60 driver circuits. One the four LCD driving
level is selected by the combination of FR (internal) and the display data transferred
from the latch circuit.
VSS
VSON
V0
SEG0~59
Display
Data
SEGs Output Voltage
FR
Display Data
H
L
H
L
L
Power save
mode
H
V3
VSOFF
V2
Normal
Display
Inverse
Display
V0
VSS
V2
V3
V2
V3
V0
VSS
VSS
FR
(internal)
Figure 13 Common Driver Circuit
20 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
7.3.5 LCD Driving Waveform
The following illustration is an example of how the common and segment drivers are
attached to an LCD panel.
SEG 0
CL
(internal)
COM0
COM1
FR
(internal)
V0
V1
COM0
V4
VSS
V0
V1
COM1
V4
VSS
V0
V2
SEG0
V3
VSS
V0
SEG0-COM0
-V0
Figure 14 LCD Driver Circuits
Product Specification (V1.0) 12.28.2005
21
EPL09060
9 COM/60 SEG LCD Driver
7.4 Internal Power Circuits
LCD Driving Voltage
Supply
Voltage
Followers
Voltage
Regulator
VR
IRS
VOUT
Voltage
Converter
Connect the capacitor
Figure 15 Internal Power Circuits
The internal power supply circuits can generate the voltage levels necessary to drive
the liquid crystal driver circuits, with low power consumption and the least
components. They comprise of voltage converter (V/C) circuits, voltage regulator
(V/R) circuits, and voltage follower (V/F) circuits.
User Setup
22 •
Power Control
(VC VR VF)
V/C
V/R
V/F
Circuits Circuits Circuits
VOUT
V0
V1 ~ V4
Only the internal
power supply
circuits are used
111
On
On
On
Open
Open
Open
Only the voltage
Regulator circuits
and voltage
follower circuits
are used
011
Off
On
On
External
Input
Open
Open
Only the voltage
follower circuits
are used
001
Off
Off
On
Open
External
Input
Open
Only the external
power supply
circuits are used
000
Off
Off
Off
Open
External External
Input
Input
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
7.4.1 Voltage Converter Circuits
These circuits boost up the electric potential between VDD and VSS to 2 times
toward the positive side and the boosted voltage is outputted from VOUT pin. The
boosting magnitude of the internal booster circuit is selected by means of the
capacitor connection (Refer to Figure 16 below). The internal oscillator is required to
be operating when using this converter, since the divided signal provided from the
oscillator is used for the internal timing of this circuit.
C1+
C1C2+
VOUT
2X
Boost Capacitors = 1uF~4.7uF
Figure 16 Capacitor Connections
7.4.2 Voltage Regulator Circuits
The voltage regulator determines the LCD driving voltage V0, by adjusting resistors
Ra and Rb, within the range of |V0| < |VOUT|. Since VOUT is the operating voltage
of the operational-amplifier circuits, it is necessary to be applied either internally or
externally. For Equation 1, V0 is determined by Ra, Rb and VEV. Ra and Rb are
connected internally or externally through the IRS pin. VEV which is the electronic
volume voltage, is determined by Equation 2, where the parameter α is the value
selected by the instruction "Set Contrast Control Mode," within the range 0 to 63.
VREF, a constant voltage source is 2 V at TA=25°C.
Product Specification (V1.0) 12.28.2005
23
EPL09060
9 COM/60 SEG LCD Driver
VOUT
V0
Rb
VEV
(Constant reference voltage
+ electronic volume)
VR
Ra
VSS
Figure 17 Resistor Connections
V 0 = (1 +
Rb
) × VEV …………………Equation 1
Ra
VEV = (1 −
(63 − α )
) × VREF ……….Equation 2
252
Register Value (R2, R1, R0)
1 + (Rb/Ra)
(0, 0, 0)
3.5
Refer to “Regulator Resistor Select” instruction for details.
0
1
..
..
62
63
D5
D4
D3
D2
D1
D0
0
0
.
.
1
1
0
0
.
.
1
1
0
0
.
.
1
1
0
0
.
.
1
1
0
0
.
.
1
1
0
1
.
.
0
1
Refer to “Set Contrast Control Mode” instruction for details.
Using Internal Resistors, Ra and Rb (IRS = "H")
When the IRS pin is “H”, resistor Ra is connected internally between VR pin and VSS,
and Rb is connected between V0 and VR. V0 is determined by using the two
instructions, "Regulator Resistor Select" and "Set Reference Voltage".
24 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
Using External Resistors, Ra and Rb ( IRS = "L")
When IRS pin is “L”, it is necessary to connect the external regulator resistor Ra
between VR and VSS, and Rb between V0 and VR.
For a particular liquid, the optimum VLCD can be calculated for a given multiplex rate.
For a 1/9 duty ratio, the optimum operating voltage of the liquid can be calculated as:
VLCD =
1+ 9
1 ⎞
⎛
2 × ⎜1 −
⎟
9⎠
⎝
× Vth = 3.464 × Vth
where Vth is the threshold voltage of the liquid crystal material used.
7.4.3 Voltage Follower Circuits
From the Voltage Regulator
V0
V1
0.890xV0
V2
0.880xV0
Total Req = 4M
Switching
Network
0.120xV0
V3
0.110xV0
V4
Bypass Capacitor = 0.47uF~1uF
Figure 18 OTP Voltage Follower
The VLCD voltage (V0) is resistively divided into four voltage levels (V1, V2, V3, V4),
and those output impedance are converted by the voltage follower (OPA) to increase
the drive capability. Total 6 levels LCD reference voltage (V0, V1, V2, V3, V4, VSS)
is generated by the voltage follower circuits.
LCD Bias
V1
V2
V3
V4
1/8
1/7.5
1/7
1/6.5
1/6
1/5.5
1/5
0.875×V0
0.865×V0
0.855×V0
0.845×V0
0.835×V0
0.820×V0
0.800×V0
0.750×V0
0.735×V0
0.715×V0
0.690×V0
0.665×V0
0.635×V0
0.600×V0
0.250×V0
0.265×V0
0.285×V0
0.310×V0
0.335×V0
0.365×V0
0.400×V0
0.125×V0
0.135×V0
0.145×V0
0.155×V0
0.165×V0
0.180×V0
0.200×V0
Product Specification (V1.0) 12.28.2005
25
EPL09060
9 COM/60 SEG LCD Driver
LCD Bias
V1
V2
V3
V4
1/4.5
1/4
1/3.5
1/3
0.780×V0
0.750×V0
0.715×V0
0.665×V0
0.555×V0
0.500×V0
0.430×V0
0.335×V0
0.445×V0
0.500×V0
0.570×V0
0.665×V0
0.220×V0
0.250×V0
0.285×V0
0.335×V0
Different duty radio requires different bias level. For optimum bias level, BL can be
calculated using the following equation:
BL =
1
Duty ratio + 1
Changing the bias system from the optimum will have an effect on the contrast and
viewing angle.
The LCD Bias affects the display quality. But to reduce the current consumption, an
unsuitable bias may be selected. Hence, the LCD Bias could be selected by “Select
LCD bias” instruction.
7.4.4 Oscillator
The on-chip RC type oscillator provides the display clock and voltage converter timing
clock. It has low power consumption and its frequency is nearly independent of VDD.
When “CLS”=”H”, the oscillator circuit is enabled. When CLS=”L”, the oscillator is
stopped, and the oscillator clock has to be input to the OSC pin.
RC Oscillator
To the Internal Circuit
CLS
OSC
Sleep Mode
Figure 19 RC Oscillator
7.4.5 Oscillator Frequency
The EPL09060 contains an RC oscillator. The frame frequency (fFM) is derived from
the RC circuit’s oscillation frequency (fOSC) by giving it an appropriate value. The
relationship between the oscillation frequency (fOSC), display clock frequency (fCL) and
the frame frequency (fFM) is shown below.
The fOSC could be selected from an internal or external oscillator via the CLS pin, fCL
could be selected via “Set display clock CL frequency” instruction, and frame
frequency could be calculated using the following equation.
fCL = (Duty ratio) × (Frame frequency)
26 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
7.5
Reset Circuit
When the /RES input comes to the “L” level, this LSI returns to its default state. The
default settings are as follows:
„
Display OFF
„
Normal display
„
ADC select: Normal (ADC select instruction D0 = “L”)
„
SHL select: Normal (SHL select instruction D3 = “L”)
„
Power Control Register: (D2, D1, D0) = (0, 0, 0)
„
Serial interface internal register data clear
„
Duty ratio = 1/43, (D3~D0) = (1, 1, 0, 1)
„
CL frequency Register (D4, D3, D2, D1, D0) = (0, 0, 0, 0, 1, 1)
„
LCD power supply bias level = (1/8), (D3~D0) = (1, 0, 1, 0)
„
Entire display OFF (Entire display instruction D0 = “L”)
„
Power saving clear
„
Modify-Read OFF
„
Display initial line set to first line : 0
„
Column address set to Address : 0
„
Page address set to Page : 0
„
V0 voltage regulator internal resistor ratio set mode clear: (R2, R1, R0) = (0, 0, 0)
„
Contrast control set mode clear
„
Contrast control register : (D5, D4, D3, D2, D1,D0) = (1, 0, 0, 0, 0, 0)
NOTE
After issuing the command “reset”, the registers “Duty ratio” and “bias” must be set
with a suitable value.
Product Specification (V1.0) 12.28.2005
27
EPL09060
9 COM/60 SEG LCD Driver
8 Control Register
Instruction
A0 /RD /WR D7 D6 D5 D4 D3 D2 D1 D0
Read Display Data
Write Display Data
Read Status
Set Duty Ratio Mode
1
1
0
0
0
1
0
1
1
0
1
0
1
Status
0 0
Duty Ratio Register
0
1
0
*
*
*
Set CL frequency Mode
CL frequency Register
Set LCD Bias select Mode
LCD Bias select Register
0
0
0
0
1
1
1
1
0
0
0
0
1
*
1
*
0
*
0
*
0
*
0
*
Display On/Off
0
1
0
1
0
1
Initial Display Line
Set Contrast Control Mode
Set Contrast Control
Register
Set Page Address
0
0
1
1
0
0
0
1
1
0
0
0
0
1
0
*
*
0
1
0
1
0
1
Set Column Address MSB
0
1
0
0
0
0
Set Column Address LSB
0
1
0
0
0
0
ADC Select
0
1
0
1
0
1
Inverse Display ON/OFF
0
1
0
1
0
1
Entire Display ON/OFF
0
1
0
1
0
1
Set Modify-read
Reset Modify-read
Reset
0
0
0
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
SHL Select
0
1
0
1
1
0
Power Control
Regulator Resistor
Select
0
1
0
0
0
1
0
0
0
0
0
1
Power Save
-
-
-
-
-
-
Description
Read Data
Read data from DDRAM
Write Data
Write data into DDRAM
0
0 0
0 Read the internal status
0 0
1 0
0 Set duty ratio Mode
ICO
D2 D1 D0 Select the duty ratio
*
N
0 0
0 1
0 Set CL frequency Mode
D4 D3 D2 D1 D0 Set CL frequency Register
0 0
1 0
1 Set LCD Bias select Mode
* D3 D2 D1 D0 Select the LCD Bias
Turn on/off LCD panel
0 1
1 1 Don When DON=0: display off
When DON=1: display on
0 0 D2 D1 D0 Specify DDRAM line for COM0
0 0
0 0
1 Set Contrast Control Mode
D5 D4 D3 D2 D1 D0 Set Contrast Control Register
1
Page Address
Higher order
Column Add
Lower order
Column Add
Set page address
DDRAM column address of
1
Higher 4-bits
DDRAM column address of
0
lower 4-bits
Select segment direction
When ADC=0: normal direction
0
0
0 0 ADC (SEG0 ÆSEG59)
When ADC=1: reverse direction
(SEG59ÆSEG0)
Select normal/inverse display
0
0
1 1 REV 0 : Normal display
1 : Inverse display on
Select normal/entire display ON
0
0
1 0 EON When EON=0: normal display.
When EON=1: entire display ON
0
0
0 0
0 Set modify-read mode
0
1
1 1
0 Release modify-read mode
0
0
0 1
0 Initialize the internal functions
Select COM output direction
When SHL=0: normal direction
(COM0 -> COM7)
0 SHL * *
*
When SHL=1: reverse direction
(COM7 -> COM0)
0
1 VC VR VF Control power circuit operation
Select internal resistance ratio
0
0
0 0
0
ofthe regulator resistor
Compound instruction of display
OFF and entire display ON
Note: * : Don’t care
28 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
Read Display Data
The 8-bit data from the display data RAM specified by the column address and page
address can be read by this instruction. As the column address is automatically
incremented by 1 after each instruction execution, the microprocessor can
continuously read data from the addressed page.
A0
/RD
/WR
1
0
1
D7
D6
D5
D4
D3
D2
D1
D0
Read Data
Write Display Data
The 8-bit display data from the microprocessor can be written to the RAM location
specified by the column address and page address. After writing the display data, the
column address is automatically incremented so that the microprocessor can
continuously write data to the addressed page.
A0
/RD
/WR
1
1
0
D7
D6
D5
D4
D3
D2
D1
D0
Write Data
Read Status
This instruction reads out the internal status regarding “ADC select”, “Display On/Off”
and “Reset”.
A0
/RD
/WR
D7
D6
0
0
1
-
ADC
D5
D4
On/Off RESET
Flag
D3
D2
D1
D0
0
0
0
0
Description
ADC
On/Off
RESET
It shows the correspondence between the column address and segment
drivers.
ADC = 0 : Normal direction (SEG0 → SEG59)
ADC = 1 : Reverse direction (SEG59 → SEG0)
This bit indicates the ON/OFF state of the display.
0 : Display ON
1 : Display OFF
Indicates that the initialization is in progress, by the RESETB signal.
RESET = 0 : Normal display operation state
RESET = 1 : Internal reset operation state with reset command.
Set Duty Ratio (Two-Byte instruction)
The first instruction sets the duty ratio mode, the second one updates the contents of
the duty ratio register. After the second instruction, the set duty mode is released.
The LSI cannot accept any instructions except the “Set duty ratio register” during the
set duty ratio mode.
Set Duty Ratio Mode (First Instruction)
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
1
0
0
0
0
1
0
0
Product Specification (V1.0) 12.28.2005
29
EPL09060
9 COM/60 SEG LCD Driver
Set Duty Ratio Register (Second Instruction)
A0
0
/RD
1
/WR
D7
0
D6
*
D5
*
D4
*
*
D3
D2
D1
D0
Duty Ratio
ICON
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
8 (+ICON)
16 (+ICON)
24 (+ICON)
32 (+ICON)
36 (+ICON)
42 (+ICON)
Note: “*” means “Don’t care”
ICON: “0” Disable COMI (icon display) pin
“1” Enable COMI (icon display) pin
Set Display Clock CL Frequency (Two-Byte Instruction)
The display clock CL affects the current consumption and the frame frequency affects
the flicker, so fine adjustment is required for the display clock CL (internal) and the
frame frequency.
Set CL Frequency Select Mode (First Instruction)
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
1
0
0
0
0
0
1
0
Set CL Frequency Select Register (Second Instruction)
A0
0
/RD
1
/WR
D7
0
D6
*
*
D5
D4
D3
D2
D1
D0
CL Frquency
*
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
*
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
*
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
*
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
*
fOSC
fOSC / 2
fOSC / 3
fOSC / 4
fOSC / 5
fOSC / 6
fOSC / 7
fOSC / 8
fOSC / 9
fOSC / 10
fOSC / 11
fOSC / 12
fOSC / 13
fOSC / 14
fOSC / 15
fOSC / 16
fOSC / 32
Note: “*” means “Don’t care”
Select LCD Bias (Two-Byte Instruction)
This instruction selects the LCD bias ratio of the voltage required for driving the LCD.
Set LCD Bias Select Mode (First Instruction)
30 •
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
1
0
0
0
0
1
0
1
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
Set LCD Bias select Register (Second instruction)
A0
0
/RD
/WR
1
D7
0
D6
*
D5
*
*
D4
D3
D2
D1
D0
LCD Bias
*
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1/3
1/3.5
1/4
1/4.5
1/5
1/5.5
1/6
1/6.5
1/7
1/7.5
1/8
Note: “*” means “Don’t care”
Display ON/OFF
This instruction is used to control the turning on or off of the LCD panel, regardless of
the contents of the DDRAM.
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
Display On or Off
0
1
0
1
0
1
0
1
1
1
0
1
0 :Off
1 :On
Initial Display Line
This instruction sets the line address of the display RAM to determine the initial
display line. The initial display line corresponds to COM0. The display area read
from the display data RAM corresponds to the number of the lines set by the Duty
select command.
A0
0
/RD
/WR
1
D7
0
0
D6
1
D5
0
D4
0
D3
D2
D1
D0
Line Address for
COM0
0
0
0
.
.
1
1
0
0
.
.
1
1
0
1
.
.
0
1
0
1
.
.
6
7
Electronic Contrast Control Set (Two-Byte instruction)
The first instruction sets the contrast control mode, the second one updates the
contents of the contrast control register. After the second instruction, the contrast
control mode is released. The LSI cannot accept any instructions except for the “Set
Contrast Control Register” during the Contrast Control Mode.
Set Contrast Control Mode (First instruction)
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
1
0
0
0
0
0
0
1
Product Specification (V1.0) 12.28.2005
31
EPL09060
9 COM/60 SEG LCD Driver
Set Contrast Control Register (Second instruction)
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
Electronic Volume
Value (α)
0
1
0
*
*
0
0
.
.
1
1
0
0
.
.
1
1
0
0
.
.
1
1
0
0
.
.
1
1
0
0
.
.
1
1
0
1
.
.
0
1
0 Minimum
1
.
.
62
63
Set Page Address
This instruction sets the page address of the display data RAM from the
microprocessor into the page address register. It is possible to access any required
bit in the display data RAM by specifying the page address and the column address.
Along with the column address, the page address defines the address of the display
RAM used to write or read the display data. Changing the page address does not
affect the display status. Page 6 is assigned for the icon display. Only D0 is valid.
A0
/RD
0
/WR
1
0
D7
1
D6
0
D5
1
D4
D3
D2
D1
D0
Page Address
1
0
0
.
.
.
.
0
0
0
.
.
.
.
1
0
0
.
.
.
.
1
0
1
.
.
.
.
0
0
1
.
.
.
.
6
Set Column Address
This instruction sets the column address of the display data RAM from the
microprocessor into the column address register. When accessing the display data
RAM from the MPU, the column address is incremented. The incrementing of the
column address is stopped at address 65H.
32 •
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
Column
Address Setting
0
1
0
0
0
0
1
0
0
A3
0
A2
A5
A1
A4
A0
Upper 4-bit
Lower 4-bit
A5
A4
A3
A2
A1
A0
Column Address
0
0
.
.
1
1
0
0
.
.
1
1
0
0
.
.
1
1
0
0
.
.
0
0
0
0
.
.
1
1
0
1
.
.
0
1
0
1
.
.
58
59
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
ADC Select
This instruction selects the segment driver direction. Normal or reverse can be
selected in the correlation between the display data RAM column address and the
segment output terminal.
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
Segment Driver
Direction
0
1
0
1
0
1
0
0
0
0
0
1
Normal
Reverse
D0 = 0 Normal
Column addresses 00H to 3BH corresponds to segment
outputs 0 to 59.
D0 = 1 Reverse
Column addresses 2AH to 65H corresponds to segment
outputs 59 to 0.
Inverse Display ON/OFF
This instruction is used to invert the display status on the LCD panel without rewriting
the contents of the display data RAM.
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
Display Status
0
1
0
1
0
1
0
0
1
1
0
1
Normal
Inverse
D0 = 0 Normal
D0 = 1 Inverse
Display data “1” makes the LCD on.
Display data “0” makes the LCD on.
Entire Display ON/OFF
This instruction forces the whole LCD points to be turned on regardless of the
contents of the display data RAM. At this time, the contents of the display data RAM
will be retained. This instruction has priority over the Reverse Display On/Off
instruction.
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
Entire display
on/off
0
1
0
1
0
1
0
0
1
0
0
1
Normal
Entire display on
Set Modify-Read
This instruction stops the automatic increment of the column address by the Read
Display Data instruction, but the column address is still incremented by the Write
Display Data instruction. This instruction can reduce the load of the MPU, during the
display, the data in a specific DDRAM area is repeatedly changed for cursor blinking
or others. This mode is canceled by the Reset Modify-read instruction.
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
1
1
1
0
0
0
0
0
Product Specification (V1.0) 12.28.2005
33
EPL09060
9 COM/60 SEG LCD Driver
Reset Modify-Read
This instruction cancels the Modify-read mode. The column address of the display
data RAM returns to the address before the Read Modify Write is executed.
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
1
1
1
0
1
1
1
0
Reset
This instruction resets the initial display line, column address, page address, and the
common output status is reset to their initial status, but does not affect the contents of
display data RAM. This instruction cannot initialize the LCD power supply, which is
initialized by the /RES pin.
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
1
1
1
0
0
0
1
0
Reset status by “Reset” instruction:
Read modify write off
Initial display line address : (00)H
Column address : (00)H
Page address : (0) page
SHL select : Normal mode (D3=0)
Regulator resistor select register: (R2, R1, R0) = (0, 0, 0)
Sets contrast control set mode off and contrast control register : (20)H
SHL Select
COM output scanning direction is selected by this instruction which determines the
LCD driver output status.
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
Common Driver
Direction
0
1
0
1
1
0
0
0
1
*
*
*
Normal
Reverse
Note: “*” means “Don’t care”
34 •
D3 =0 Normal
Normal direction (COM0 → COM 7) → (1/16duty ratio, Page 0)
D3 =1 Reverse
Reverse direction (COM7 → COM 0) → (1/16duty ratio, Page 1)
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
Power Control
Selects one of eight power circuit functions by using the 3-bit register. An external
power supply and part of internal power supply functions can be used simultaneously.
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
0
0
1
0
1
VC
VR
VF
VC: Voltage converter
VR: Voltage regulator
VF: Voltage follower
0: Off 1: ON
Regulator Resistor Select
Selects the resistance ratio of the internal resistor used in the internal voltage
regulator. See the voltage regulator section in power supply circuit for more details.
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
0
0
1
0
0
R2
R1
R0
R2
R1
R0
[Rb/Ra] Ratio
0
0
0
3.5
Power Save (Compound Instruction)
The current consumption can be greatly reduced by entering the power save status
and inputting the “Entire Display ON” instruction while the display is in OFF mode.
According to the status in static indicator mode, power save is entered through one of
two modes (sleep and standby mode). Power Save mode is released by the “Display
ON” & “Entire Display OFF” instructions.
S tatic in d icato r O F F
S tatic in d ica to r O N
P o w er save r (co m p ou n d co m m an d )
[ D is pla y O F F ]
[ E n tire D isp la y O N ]
S ta tic In d ica to r
ON
S leep m o d e
S tan d b y m o d e
R e set
in stru ctio n
P o w er S ave O F F ( C o m p o u nd
Ins tru ctio n )
[ E n tire D isp lay O FF ]
[ D is p lay O N ]
[ S ta tic In d ica to r O N ]
P o w e r S ave O F F ( C om p o u nd
In stru ctio n )
[ E n tire D isp lay O F F ]
[ D is p lay O N ]
S leep m o d e c an cel
S ta nd b y m o d e can ce l
Product Specification (V1.0) 12.28.2005
35
EPL09060
9 COM/60 SEG LCD Driver
Sleep Mode
This stops all operations in the LCD display system, and as long as there are no
accesses from the MPU, the current consumption is reduced to a value near the
static current. The internal modes during sleep mode are as follows:
The oscillator circuit and the LCD power supply circuit are stopped.
All liquid crystal drive circuits are stopped, as well as the segment and common driver
output VSS level.
When a “static indicator on” instruction is issued in the sleep mode, the LSI goes into
the standby mode.
Standby Mode
All operations of the dynamic LCD display section are stopped, only the static display
circuits for the indicators operate and hence the current consumption will be the
minimum necessary for static drive. The internal conditions in the standby state are
as follows:
The power supply circuit for LCD drive is stopped. The oscillator circuit will still be
operating.
The LCD drive circuits for dynamic display are stopped and the segment and
common driver outputs will be at the VSS level. The static display section will still be
operating.
When a reset instruction is issued in the standby mode, the LSI goes into a sleep
mode.
36 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
9 Application Information
9.1 Instruction Procedure Examples
9.1.1 Initial Setup
(From power application to display ON using internal power supply circuits)
V D D -V S S P o w e r O N
P o w e r S t a b iliz a t io n
I n p u t R e s e t S ig n a l
W a it f o r m o r e t h a n 2 0 m s
I n it ia l s e t t in g s s t a t e ( d e f a u lt )
U s e r s e t t in g s v ia in s t r u c t io n in p u t ( 1 )
D U T Y s e le c t
L C D b ia s s e le c t
C L f r e q u e n c y s e le c t
A D C s e le c t
S H L s e le c t
U s e r s e t tin g s v ia c o m m a n d in p u t ( 2 )
C o n t r a s t c o n t r o l v o lu m e
U s e r s e t tin g s v ia c o m m a n d in p u t ( 3 )
P o w e r c o n tro l
V C ,V R ,V F = (1 , 1 , 1 )
W a it in g f o r m o r e t h a n 3 0 0 m s t o s t a b iliz e
t h e L C D p o w e r le v e ls
E n d o f in it ia l s e t t in g s
L C D d is p la y s c r e e n s e t tin g s
D is p la y s t a r t lin e s e t
W r it in g s c r e e n d a t a , e t c .
D is p la y O N
Product Specification (V1.0) 12.28.2005
37
EPL09060
9 COM/60 SEG LCD Driver
The “Modify-read” sequence
Page address set
Column address set
Set modify-read
Dummy read
Data read
Data write
No
Change complete
Yes
End
The “External oscillator input” sequence
Set CL frequency select mode
Set CL frequency select register
Input the clock to OSC pin
End
38 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
PROGRAM EXAMPLES
Use Elan Risc II MCU assembly
;**************************************************************************
;
Initialization Setting Example of EPL09060
;**************************************************************************
INI_DRIVER_IC:
MOV
A,#LCD_COM_RESET
CALL
WRITE_LCD_1BYTE
MOV
A,#LCD_COM_DUTY
CALL
WRITE_LCD_1BYTE
MOV
A,#DUTY_SET
CALL
WRITE_LCD_1BYTE
MOV
A,#LCD_COM_BIAS
CALL
WRITE_LCD_1BYTE
MOV
A,BIAS_SET
CALL
WRITE_LCD_1BYTE
MOV
A,#LCD_COM_FREQ
CALL
WRITE_LCD_1BYTE
MOV
A,#CL_FREQ
CALL
WRITE_LCD_1BYTE
MOV
A,#LCD_ADC_SET
CALL
WRITE_LCD_1BYTE
MOV
A,#LCD_SHL_SET
CALL
WRITE_LCD_1BYTE
MOV
A,#LCD_REGULATOR_RES_SET
CALL
WRITE_LCD_1BYTE
MOV
A,#LCD_COM_CONTRAST
CALL
WRITE_LCD_1BYTE
MOV
A,#CONTRAST_SET
CALL
WRITE_LCD_1BYTE
MOV
CALL
BS
A,#LCD_POWER_CONTROL_SET
;INITIAL SETTINGS STATE (DEFAULT)
;SET DUTY 1ST INSTRUCTION
;SET DUTY 2ND INSTRUCTION
;SET LCD BIAS 1ST INSTRUCTION
;SET BIAS 2ND INSTRUCTION
;SET LCD CL FREQUENCY 1ST INSTRUCTION
;SET CL FREQUENCY 2ND INSTRUCTION
;SET ADC FUNCTION SELECT
;SET SHL FUNCTION SELECT
;SET REGULATOR RESISTOR 1+(Rb/Ra)
;SET CONTRAST 1ST INSTRUCTION
;SET CONTRAST 2ND INSTRUCTION
;SET POWER CONTROL (INTERNAL OR EXTERNAL)
WRITE_LCD_1BYTE
REG_CPUCON,F_CKS
;ADD CLOCK BY OSC PIN (CLOCK FROM CPU)
MOV
A,#150
;WAITING FOR LCD POWER TO STABILIZE
CALL
WAIT_A_MS
CALL
LCD_DISPLAY_ON
;TURN ON LCD
MOV
A,#LCD_DISPLAY_INI_LINE
;SET INITIAL DISPLAY LINE
CALL
WRITE_LCD_1BYTE
CALL
LCD_DATA_WRITE
;WRITING SCREEN DATA
RET
Product Specification (V1.0) 12.28.2005
39
EPL09060
9 COM/60 SEG LCD Driver
**************************************************************************************
;
Write Display_Picture Data into Display Data Ram of EPL09060
;************************************************************************************
DATA_WRITE:
TBPTL
#DISPLAY_PICTURE*2
TBPTM
#DISPLAY_PICTURE/0x80
TBPTH
#DISPLAY_PICTURE/0x8000
;DEFINE DISPLAY PICTURE DATA INDEX
DATA_WRITE_09060:
MOV
A,#LINE_Y_MAX
MOV
REG_LCDARH,A
;MAX PAGES OF DDRAM
DATA_W1:
MOV
A,#LINE_X_MAX
;SET MAX SEGMENTS OF DDRAM
MOV
REG_LCDARL,A
BC
REG_PORTB,F_LCD_A0
MOV
A,#LCD_COM_PAGE
ADD
A,REG_LCDARH
CALL
WRITE_LCD_1BYTE
MOV
A,#0b00000000
CALL
WRITE_LCD_1BYTE
MOV
A,#0b00010000
CALL
WRITE_LCD_1BYTE
BS
REG_PORTB,F_LCD_A0
;SET LCD /A0 = 1 DATA OUTPUT
TBRD
01,REG_ACC
;ACCESS THE DATA OF DISPLAY_PICTURE
CALL
WRITE_LCD_1BYTE
DEC
REG_LCDARL
JBS
REG_STATUS,F_C,DATA_W2
DEC
REG_LCDARH
JBS
REG_STATUS,F_C,DATA_W1
BC
REG_PORTB,F_LCD_A0
;SET LCD /A0 = 0 INSTRUCTION OUTPUT
;SET LOWER ORDER COLUMN ADDRESS=0000
;SET HIGHER ORDER COLUMN ADDRESS=0000
DATA_W2:
;IDENTIFY RES_STATUS CARRY BIT SET OR NOT
;LCD /A0 = 0 FOR INSTRUCTION OUTPUT
RET
40 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
;*********************************************************************************
;
Write One Byte Data Into DDRAM (Parallel Mode 80 Series)
;*********************************************************************************
;AT FIRST DEFINE A0 TO IDENTIFY DATA OR INSTRUCTION WRITE
WRITE_LCD_1BYTE:
JBS
REG_DCRG,F_LAHEN,WRITE_LCD_1BYTE_1
;CHECK REG_DCRG LAHEN BIT=1 OR NOT
BC
REG_PORTC,F_LCD_WR
;SET /WR=0 ENABLE WRITE
MOV
REG_DATA,A
;MOVE A==> PORT_G
NOP
;Write low pulse( Wait for
;2 instruction cycles)
NOP
BS
REG_PORTC,F_LCD_WR
;SET /WR=1 DISABLE WRITE
NOP
NOP
NOP
NOP
RET
WRITE_LCD_1BYTE_1:
MOV
REG_DATA,A
;MOVE A==> PORT_G
RET
;*********************************************************************************
;;
Read One Byte Data Into DDRAM (Parallel Mode 80 Series)
;;*********************************************************************************
;AT FIRST DEFINE A0 TO IDENTIFY DATA OR INSTRUCTION READ
READ_LCD_1BYTE:
BC
REG_PORTB,F_LCD_RD
;SET /RD=0 ENABLE READ
A,REG_DATA
;MOVE PORT_G ==> A
REG_PORTB,F_LCD_RD
;SET /RD=1 DISABLE READ
NOP
NOP
MOV
NOP
BS
NOP
RET
Product Specification (V1.0) 12.28.2005
41
EPL09060
9 COM/60 SEG LCD Driver
9 Relationship between Setting and Common/Display RAM
The microprocessor (MPU) can read from and write to RAM through the I/O buffer.
Since the LCD controller operates independently, data can be written into RAM
simultaneously as data is being displayed without causing the LCD to flicker.
Page
Address
Data
P3,P2,P1,P0
0 0
0 0
0 0 0 1
0 0 1 0
0 0
0
1 1
1 0 0
0 1 0 1
0 1 1 0
Column
Address
(HEX)
LCD
Output
Line Common Common Common Common
Output pins
pins Output pins Output pins
Address SHL=0 Output
SHL=1
SHL=0
SHL=1
(HEX)
(1/16)
(1/8)
(1/16)
(1/8)
Column Address
00
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D0
01
02
03
04
05
06
PAGE0
PAGE2
PAGE3
PAGE4
PAGE5
3
8
3
9
3
A
3
B
ADC
=1
2
D
2 2
C B
2
A
S
E
G
M
E
N
T
56
S
E
G
M
E
N
T
57
S
E
G
M
E
N
T
59
S
E
G
M
E
N
T
2
S
E
G
M
E
N
T
3
S
E
G
M
E
N
T
58
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM7
COM6
COM5
COM4
COM3
COM2
COM1
COM0
COMI
PAGE6
ADC 0 0 0 0
=0 0 1 2 3
S
E
G
M
E
N
T
1
COM7
COM6
COM5
COM4
07
08
09
0A
0B
0C
0D
0E
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
20
21
22
23
24
25
26
27
28
29
PAGE1
S
E
G
M
E
N
T
0
COM0
COM1
COM2
COM3
COMI
0 0 0
2 1 0
None
segment
Note: 1. The data on Page Address 2~5 would not be output to the common pins, but can be regarded as general data
RAM.
2. The EPL09060 will output RAM data (Page 0) to COM0 ~ COM7 (COMI) when using 1/16 (1/17) duty and
SHL=0.
42 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
10 Absolute Maximum Ratings
Parameter
Applicable Pins
Symbol
Condition
VDD
VOUT
All Input
VDD
VLCD
VIN
-
-
-
-0.3 to +7
-0.3 to +17
-0.3 to VDD+0.3
-
TA
-
-30 to +80
-
-55 to +125
Power supply voltage
Driver supply voltage
Input voltage
Operating temperature
range
Storage temperature
range
Rate Value
Unit
V
°C
-
Recommended Operating Conditions
Parameter
Power supply Voltage
Voltage converter output
voltage
V0 output voltage
Applicable
Pins
Rated Value
Condition
Unit
Min.
Typ.
Max.
VDD
VDD
-
2.2
-
3.4
VOUT
VOUT
-
4.0
-
6.8
V0
V0
-
3.0
-
6.0
VOH
-
0.7VDD
-
VDD
VOL
-
VSS
-
0.3VDD
VIH
-
0.7VDD
-
VDD
VIL
-
VSS
-
0.3VDD
TA
-
0
Output voltage
Input voltage
Operating temperature
range
Symbol
-
Product Specification (V1.0) 12.28.2005
40
V
OC
43
EPL09060
9 COM/60 SEG LCD Driver
11 DC Characteristics
VSS = 0V, VDD = 2.6 to 3.3V, TA = -30~80°C
Parameter
Power Supply
Voltage
Voltage Converter
Input Voltage
Applicable
Pins
Symbol
VDD
VDD
VDD
VDD2
Reference Voltage
-
Regulated Voltage
V0
V0
V1
V2
V3
V4
VREF0
VREF20
VREF40
V0
VOUT0
VOUT1
VOUT2
VOUT3
VOUT4
OP Amp Voltage
Output of LCD Power
supply
1
Voltage Converter
Output Voltage
LCD Driver ON
Resistance
VOUT
VOUT
COMn
SEGn
RON
Reset Resistor
/RES
RRESET
Output Current
(Source and Drain)
Input Leakage Current
Output Tri-state
5
All Input
4
IOH
IOL
IIL
IDDD1
V1 Sink Capability
V1
Isv1
V4 Source Capability
V4
Isv4
44 •
2 × boost
TA=0°C
TA=20°C
TA=40°C
TA=0~40°C
× 2 (no-load)
No load
Current load
load= 50 µA
VDD=3V, Vin=0V
VDD=3V, Vin=1.7V
VDD=3V, VOH=2.4V
VDD=3V, VOL=0.2V
VIN=VDD or 0V
IDD1
IDD2
fFM
-
fOSC
VDD=3V, 2 boosting,
TA=25°C, internal OSC.
fOSC=22kHz, 1/17 duty
ratio,1/4.5 bias ratio,
DV value=10H,
regulator=(0, 0,0),
CL=(0, 0, 0), all display
pattern off, no load
V0=3.6V,
V1=2.4V (No load)
VOH=2.8V
V0=3.6V,
V4=1.2V (No load)
VOL=0.8V
Standby mode
Sleep mode
TA=25°C
Unit
Min.
Typ.
Max.
2.2
-
3.4
2.2
-
3.4
2.07
1.96
1.86
V0-4%
2.16
1.98
1.94
V0
V0
V1
V2
V3
V4
2.25
2.05
2.02
V0+4%
95
99
100
-
2
5
400
25
-3
1.2
-
800
50
-4
2.2
-
1200
75
-5
3.2
±1
±3
-
40
55
2 and 3
5
Dynamic Current
Consumption
(1/17 duty)
Current Consumption
Current Consumption
Frame Frequency
Internal Oscillator
Frequency
External Input
Oscillator
Rated Value
Condition
V
mV
%
kΩ
mA
µA
0.75
1
-
-0.75
-1
-
-
-
-
5
1
85
10
2
-
17
22
27
Hz
kHz
OSC
fOSC
TA=25°C
-
22
-
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
1
Note :
V 0 = (1 +
(63 − α )
Rb
) × VEV ; VEV = (1 −
) × VREF
Ra
252
2
:
LCD Bias
V0
1/8 Bias
1/7.5 Bias
1/7 Bias
1/6.5 Bias
1/6 Bias
1/5.5 Bias
1/5 Bias
1/4.5 Bias
1/4 Bias
1/3.5 Bias
1/3 Bias
3:
4
V1
V2
V3
V4
(7/8) × V0
(6.5/7.5) × V0
(6/7) × V0
(5.5/6.5) × V0
(5/6) × V0
(4.5/5.5) × V0
(4/5) × V0
(3.5/4.5) × V0
(3/4) × V0
(2.5/3.5) × V0
(2/3) × V0
(6/8) × V0
(5.5/7.5) × V0
(5/7) × V0
(4.5/6.5) × V0
(4/6) × V0
(3.5/5.5) × V0
(3/5) × V0
(2.5/4.5) × V0
(2/4) × V0
(1.5/3.5) × V0
(1/3) × V0
(2/8) × V0
(2/7.5) × V0
(2/7) × V0
(2/6.5) × V0
(2/6) × V0
(2/5.5) × V0
(2/5) × V0
(2/4.5) × V0
(2/4) × V0
(2/3.5) × V0
(2/3) × V0
(1/8) × V0
(1/7.5) × V0
(1/7) × V0
(1/6.5) × V0
(1/6) × V0
(1/5.5) × V0
(1/5) × V0
(1/4.5) × V0
(1/4) × V0
(1/3.5) × V0
(1/3) × V0
The target value of V0~V4 is Theoretical Value ± 50 mV
: Input pin D0~D7, A0, /RD, /WR, /CS1, CS2, CLS, C86, IRS
5
: Output pin D0~D7
12 AC Characteristics
/CS1, CS2
tCHS
tCSS
A0
/WR
(R/W)
tASS
D6
(SCK)
tCYCS
tCLLS
tDSS
tAHS
tCLHS
tDHS
D7
(SDI)
tDDS
tOHS
D5
(SDO)
Product Specification (V1.0) 12.28.2005
45
EPL09060
9 COM/60 SEG LCD Driver
Serial Interface Timing Characteristics
Parameter
Chip Select Setup Time
Chip Select Hold Time
Address Setup time
Address Hold time
Data Setup Time
Data Hold Time
Clock Cycle Time
Clock L Time
Clock H Time
Data Delay Time
Data Disable Time
Applicable
Pins
Symbol
Rated Value
Condition
Min.
/CS1
CS2
A0
R/W
D7
(SDI)
D6
(SCK)
D5
(SDO)
tCSS
tCHS
tASS
tAHS
tDSS
tDHS
tCYCS
tCLLS
tCLHS
tDDS
tOHS
80-Family MPU Read/Write Timing Characteristics
DATAÆSCK↑
SCK↑ÆDATA
100
100
100
100
80
80
300
100
100
CL= 100 pF
10
Unit
Max.
-
-
-
ns
-
80
50
(VSS= 0V, VDD= 2.6~3.3V, TA=0~40°C)
tAH8
A0
/CS1
(CS2)
tAW8
tCYC8
tCC8
/WR,/RD
tDS8
tDH8
D0 to D7
(Write)
tACC8
tOH8
D0 to D7
(Read)
Parameter
Applicable
pins
Address Setup Time
Address Hold Time
A0
System Cycle Time
A0
Pulse Width(/WR)
Pulse Width(/RD)
/WR
/RD
Data Setup Time
Data Hold Time
Read Access Time
Output Disable Time
46 •
D0~D7
Symbol
Condition
Rated value
Min.
tAW8
0
tAH8
0
tCYC8
500
160
tCC8
200
tDS8
20
tDH8
10
tACC8
tOH8
CL=100pF
Unit
Max.
-
-
-
ns
-
-
60
10
40
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
68-Family MPU Read/Write Timing Characteristics (VSS = 0V, VDD = 2.6~3.3V, TA=0~40°C)
tcyc6
E
tEW
tAW6
A0
R/W
tAH6
/CS1
(CS2)
tDS6
tDH6
D0 to D7
(Write)
tACC6
tOH6
D0 to D7
(Read)
Parameter
Applicable
Pins
Symbol
Condition
Rated Value
Min.
Address Setup Time
Address Hold Time
A0
tAW6
0
R/W
tAH6
0
System Cycle Time
A0
tCYC6
500
Pulse Width (/WR)
Pulse Width (/RD)
E
tEW
Data Setup Time
Data Hold Time
Read Access Time
Output Disable Time
D0~D7
Product Specification (V1.0) 12.28.2005
160
200
tDS6
20
tDH6
10
tACC6
tOH6
CL=100pF
Unit
Max.
-
-
-
ns
-
-
60
10
40
47
EPL09060
9 COM/60 SEG LCD Driver
Input Pin Configuration
(VSS = 0V, VDD = 2.6V~3.3V, TA = 0~40°C)
VDD
Input/Output Pin Configuration
VDD
Output data
Output enable
Input enable
48 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
Output Pin Configuration
VDD
Reset Input Pin Configuration
VDD
Product Specification (V1.0) 12.28.2005
49
EPL09060
9 COM/60 SEG LCD Driver
LCD Output Pin Configuration
V0
V0
V1
V2
COMMON
OUTPUT
SEGMENT
OUTPUT
V4
V3
VSS
VSS
MPU Interface
Elan 8-bit MPU (with external memory)
VDD
A0
VCC
/C S 1
CS2
C 86
R IS C 2 M P U
PORT G
P O R T D _2
P O R T D _3
/R E S
GND
VDD
E P L 09 06 0
/R E S E T
D 0 ~D 7
/R D
/W R
PS
/R E S
GND
VDD
LCD PANEL
VCC
P O R T D _1
P O R T A,B
P O R T D _4
P O R T D _5
VCC
/O E
R /W
/C E
F L AS H
D 0 ~D 7
A0~An
GND
50 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
Serial Interface (SPI)
VDD
VCC
A0
PORT3_1
A0
/CS1
CS2
VDD OR VSS
C86
LCD PANEL
VDD
VCC
EPL09060
MPU
SDI (D7)
SCK (D6)
SDO (D5)
PORT2
PORT1
PORT0
PS
/RES
/RES
GND
GND
/RESET
80-Family MPU
VDD
VCC
A0
A1~A7
/IORQ
A0
DECODER
VCC
/CS1
CS2
C86
EPL09060
80 type MPU
D0 ~D7
/RD
/WR
/RES
D0 ~D7
/RD
/WR
/RES
GND
VDD
PS
GND
/RESET
Product Specification (V1.0) 12.28.2005
51
EPL09060
9 COM/60 SEG LCD Driver
68-Family MPU
VDD
VCC
A0
A1~A15
VMA
A0
Decoder
VCC
/CS1
CS2
VDD
C86
EPL09060
68-Type MPU
D0 ~D7
/RD
/WR
/RES
D0 ~D7
E
R/W
/RES
GND
VDD
PS
GND
/RESET
52 •
Product Specification (V1.0) 12.28.2005
EPL09060
9 COM/60 SEG LCD Driver
13 Application Circuit
For customer application circuit
SEG 0
COM 7
COM 6
COM 5
COM 4
COM I
COM 0
COM 1
COM 2
COM 3
SEG 59
L CD
V DD
SEG 36
VDD
SEG 37
SEG 35
SEG 34
SEG 33
SEG 1
SEG 0
COM I1
VDD
C 1+
1uF
C 1C 2+
V OU T
1uF
E PL 09060
V0
1uF
1uF
1uF
1uF
1uF
V1
V2
V3
V4
Product Specification (V1.0) 12.28.2005
SEG 59
COM 0
COM I2
COM 6
/W R
/R D
GN D
/C S1
A0
A0
C S2
C S2
/C S1
D1
D0
D2
D3
D4
D5
D6
SD O
/R ES
D7
IRS
SD I
SC K
O SC
IRS
/R ES
C 86
CL S
CL S
V DD
T EST
SEG 51
PS
COM 7
SEG 50
GN D
SEG 52
VR
GN D
M CU
53
EPL09060
9 COM/60 SEG LCD Driver
54 •
Product Specification (V1.0) 12.28.2005