S6B0755 Datasheet, PDF (49/68 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 DC-DC Step-up
Selects one of 3 DC-DC step-up to reduce the power consumption by this instruction. It is very useful to
realize the partial display function.
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
0
1
1
0
0
1
DC1
DC0
DC1
0
0
1
1
DC0
0
1
0
1
Selected DC-DC converter circuit
3 times boosting circuit
4 times boosting circuit
5 times boosting circuit
5 times boosting circuit
Regulator Resistor Select
Selects resistance ratio of the internal resistor used in the internal voltage regulator. See voltage regulator section
in power supply circuit. Refer to Table 12.
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
0
0
1
0
0
R2
R1
R0
R2
R1
R0
0
0
0
0
0
1
:
:
:
1
1
0
1
1
1
[Rb / Ra] ratio
Small
:
:
:
Large
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