Samsung S3C8245 User Manual
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
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
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 Static
1/3 Bias
Figure 17-2. Pin Connection Example