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S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X LCD CONTROLLER/DRIVER
13-5
LCD VOLTAGE DIVIDING RESISTOR
NOTES:
1. R = Internal LCD dividing resistors. The resistors can be disconnected by LCON.7.
2. R' = External LCD dividing resistors.
S3C8275X/C8278X/C8274X
LCON.0
V
LC0
V
LC2
V
LC1
V
SS
V
DD
R
R
R
V
LCD
LCON.7 = 0: Enable internal resistors
Static and 1/3 Bias 1/2 Bias
LCON.0
V
LC0
V
LC2
V
LC1
V
SS
V
DD
R
R
R
V
LCD
LCON.7 = 0: Enable internal resistors
LCON.0
V
LC0
V
LC2
V
LC1
V
SS
V
DD
R'
R'
R'
V
LCD
LCON.7 = 1: Disable internal resistors
Voltage Dividing Resistor Adjustment
S3C8275X/C8278X/C8274X
S3C8275X/C8278X/C8274X
Figure 13-5. Internal Voltage Dividing Resistor Connection