LCD CONTROLLER/DRIVER KS57C2308/P2308/C2316/P2316

12-2

LCD CIRCUIT DIAGRAM

SEG31/P8.7
4
4
TIMING
CONTROLLER
1E0H.0
1E0H.1
1E0H.2
1E0H.3
1F4H.0
1F4H.1
1F4H.2
1F4H.3
1FFH.0
1FFH.1
1FFH.2
1FFH.3
4
4
LMOD
8
COM3
COM2
COM1
COM0
COM
CONTROL
VLC0
VLC1
VLC2
LCDSY
LCDCK
SEG30/P8.6
SEG29/P8.5
SEG28/P8.4
SEG27/P8.3
SEG26/P8.2
SEG25/P8.1
SEG24/P8.0
SEG23
SEG22
SEG21
SEG20
SEG19
SEG0
...
fLCD
LCON
S
E
L
S
E
L
Port 3 latch
.0 .1
PMG1
M
U
X
M
U
X
M
U
X
S
E
G
M
E
N
T
D
R
I
V
E
R
LCD
VOLTAGE
CONTROL
.1 .0

Figure 12-2. LCD Circuit Diagram