S6B0755 Datasheet, PDF (51/68 Pages) Samsung semiconductor – 128 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD

128 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
PRELIMINARY SPEC. VER. 1.0
S6B0755
Select LCD Bias
Selects LCD Bias ratio of the voltage required for driving the LCD.
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
0
1
0
1
0
B2
B1
B0
B2
B1
B0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Selected LCD bias
1/4
1/5
1/6
1/7
1/8
1/9
1/9
1/9
SHL Select
COM output scanning direction is selected by this instruction which determines the LCD driver output status.
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
1
1
0
0
SHL
×
×
×
SHL = 0: normal direction (COM0 → COM63)
SHL = 1: reverse direction (COM63 → COM0)
ADC Select
Changes the relationship between RAM column address and segment driver. The direction of segment driver
output pins could be reversed by software. This makes IC layout flexible in LCD module assembly.
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
1
0
1
0
0
0
0
ADC
ADC = 0: normal direction (SEG0 → SEG127)
ADC = 1: reverse direction (SEG127 → SEG0)
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