VOLTAGE BOOSTER S3C8245/P8245/C8249/P8249
17-2
BLOCK DIAGRAM
V
DD
Clock
LCON.0
LCON.2
Voltage
Regulator
V
SS
V
LC0
(V
R
)
CAB CAB
V
LC1
(2 x V
R
)V
LC2
(3 x V
R
)
C0 C1 C2
LCON.1
Figure 17-1. Voltage Booster Block Diagram
LCD
Drive
V
LC1
V
LC2
Voltage
Booster V
LC2
Voltage
Regulator
(1.5 V)
V
LC0
COM0-3
SEG0-SEG31
CA
CB CAB
C2
C1
V
LC1
C0
V
LC0
LCD
Drive
V
LC1
V
LC2
Voltage
Booster V
LC2
Voltage
Regulator
(1.5 V)
V
LC0
COM0-3
SEG0-SEG31
CA
CB CAB
C1
C0
V
LC0
V
LC1
V
LC0
V
LC0
1/2 Bias and Static1/3 Bias
Figure 17-2. Pin Connection Example