LSI LS6027

LS6027
LSI
Game (Roulette) AND
Watch
Features
*
*
*
*
*
Real time clock.
Alarm and snooze.
3 keys operation, KSET, KHR, KMIN.
Analog display.
Roulette game
*
*
*
*
1/2 bias 1/3 duty LCD format
32768 Crystal oscillator
Single 3.0V operation.
Direct buzzer driver.
General Description
The LS6027 is a roulette game with 3 1/2 digit LCD watch display. The current time is also displayed
in an analog format with 5 minute step. It has an alarm and snooze function. It is ideal for a low cost
watch, gift item or key chain. It is simple three keys operation : KSET, KHR, KMIN.
LCD Drawing
LSI
LS6027
Functional Description
Power Up
At power up, all LCD segment turns on for 1 second.
Clock Mode
The LS6027 is a analog-digital watch with a roulette game. At clock mode, the LS6027 has 3 1/2
digit LCD for time display and a 12 section time range for analog clock display.
Three key operation
The LS6027 support 3 keys : KSET, KMIN, KHR.
Clock Mode:
1. Press KHR to toggle sound.
2. Press KMIN to enter Game Mode.
3. Press KSET to enter Setting Mode.
Setting Mode :
At Clock Mode, press KSET to enter Setting Mode in the following sequence:
Clock Mode Set Alarm enable/disable Set Alarm Hour:Minute Set Time Hour:Minute
Clock Mode……
In Set Alarm/Time Mode, press KHR to set hour, press KMIN to set minute.
In Set Alarm Enalble/Disable, press KHR/KMIN toggles alarm enalbe/disable.
In all setting mode, if the value is changed, press KSET set will exit setting mode and goes back to
Clock Mode.
At Game Mode,
1. Press KMIN to start the roulette.
2. Press KHR to toggle sound.
3. Press KSET goes back to Clock Mode.
The Rule of the game.
Every time the KHR is pressed , 20 marks will be deducted.
If the icon stops at H12, M12, H4, M4, H8, H8, the mark will be incremented according to the
table.
Pattern
H12
M12
H8
M8
H4
M4
Add Marks
100
50
30
20
30
20
2
LSI
LS6027
Pin Assignment
DESIGNATION
TYPE
DESCRIPTION
B0, B1
F512, VCAP
VEE
T1, T2,
XT4, XT5, XT6, XT7,
XT8, XT9, XT10, XT11,
XT3
COSCO
COSCI
VDD
GND
KSET, KMIN, KHR
PB
C[1:3]
S[1:16]
OUTPUT
OUTPUT
OUTPUT
INPUT
Buzzer output
Doubler output
VEE
TEST pin
OUTPUT
INPUT
POWER
POWER
INPUT(PH)
INPUT(PH)
OUTPUT
OUTPUT
32KHz oscillator output
32KHz oscillator input
+3.0V power supply
Ground
Input key
Power up reset
LCD Common output
LCD Segment output
Note: (PH) - pull high;
Absolute Maximum Ratings
Supply voltage Vdd - Vss..........................0 to 5V
Input voltage Vin.................................Vss to Vdd
Operating temperature Top .............-10°C to 60°C
Storing temperature Tst ...................-40°C to 70°C
Comments
Stress above those listed under absolute Maximum Ratings” may cause permanent damage
to the device. These are stress rating only. Functional operation of this device at these or any
other conditions above those indicated in the operational sections of this specification is not implied
and exposure to absolute maximum rating conditions for extended periods may affect device
reliability.
D.C. Electrical Characteristics
(GND = 0V, Vdd = 1.5V, Ta = 25°C unless otherwise specified)
Parameter
Supply Voltage
Operating current
OSC. built-in cap
OSC. trimmer cap
Frequency stability
Buzzer output current
LCD frequency
Segment current
Common current
Symbol
Vdd
Idd
Cd
Ctrim
^f/f
Ib
Flcd
Is
Ic
Min.
2.4
5
500
0.15
3.0
3
Typ.
3.0
5
20
64
-
Max.
3.6
9
35
10
-
Unit
V
µA
pF
pF
ppM
µA
Hz
µA
µA
Conditions
No load
Vdd=3.0
Vbd-Vss=0.5
Vseg=0.2V
Vcom=0.2V
LSI
LS6027
Pad Coordinate
PAD
GND
VCAP
VEE
V512
C3
C2
C1
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
X(µ
µm)
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1295.0
-1303.0
-1163.0
-1023.0
-883.0
PAD
PB
R2
R1
R0
OSCO
OSCI
T1
GND
B1
B0
VDD
T2
XT7
XT6
XT5
XT4
XT3
KSET
KHR
KMIN
XT8
XT9
XT10
XT11
Y(µ
µm)
-1394.0
-1251.0
-1110.0
-965.0
-825.0
-685.0
-545.0
-400.0
-260.0
-120.0
+20.0
+160.0
+300.0
+440.0
+580.0
+720.0
+860.0
+1000.0
+1140.0
+1350.0
+1350.0
+1350.0
+1350.0
4
X(µ
µm)
-743.0
-593.0
-449.0
-225.0
-75.0
+1105.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
+1246.0
Y(µ
µm)
+1350.0
+1350.0
+1350.0
+1350.0
+1350.0
+1340.0
+1340.0
+1140.0
+988.0
+678.0
+543.0
+395.0
+226.0
+78.0
-70.0
-216.0
-365.0
-513.0
-661.0
-809.0
-957.0
-1105.0
-1253.0
-1400.0
LSI
LS6027
Pad Location
5
LSI
LS6027
Application Circuit
6
LSI
LS6027
LCD Drawing
S16 S15 S14 S13 S12 S11 S10 S9 S8
C1:3C 3G 3E
C2:3B 3A 3F
C3:H3 M3 H2
3D 2C 2G
PM 2B 2A
M10 M2 H1
S7 S6 S5
S4 S3 S2
S1
2E 2D 1C 1G 1E 1D H6 M6 H9
2F : 1B 1A 1F 0BC H5 M5 H8
M1 H12 M12 H11 M11 H10 H4 M4 H7
M9
M8
M7
Note: Pin out at top of the LCD
PIN
SX
C1
C2
C3
1
C3
/
/
C3
2
C2
/
C2
/
3
4
5
6
7
8
9
C1 S1 S2 S3 S4 S13 S5
C1 M9 H9 M6 H6 3D 1D
/ M8 H8 M5 H5 PM 0BC
/ M7 H7 M4 H4 M10 H10
10
S6
1E
1F
M11
11
S7
1G
1A
H11
7
12
S8
1C
1B
M12
13
S9
2D
:
H12
14
S10
2E
2F
M1
15
S11
2G
2A
H1
16
S12
2C
2B
M2
17
S14
3E
3F
H2
18
S15
3G
3A
M3
19
S16
3C
3B
H3
LSI
PIN
SX
C1
C2
C3
1
C3
/
/
C3
LS6027
2
C2
/
C2
/
3
4
5
6
7
8
9
C1 S1 S2 S3 S4 S13 S5
C1 M9 H9 M6 H6 3D 1D
/ M8 H8 M5 H5 PM 0BC
/ M7 H7 M4 H4 M10 H10
10
S6
1E
1F
M11
11 12 13
S7 S17 S8
1G /
1C
1A /
1B
H11 AL M12
8
14 15 16 17 18
S9 S18 S10 S11 S12
2D /
2E 2G 2C
:
/
2F 2A 2B
H12 BE M1 H1 M2
19 20 21 22
S14 S19 S15 S16
3E
/
3G 3C
3F
/
3A 3B
H2 M M3 H3