S6B0755 Datasheet, PDF (50/68 Pages) Samsung semiconductor – 128 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD

S6B0755
PRELIMINARY SPEC. VER. 1.0
128 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
Set Electronic Volume Register
Consists of 2-byte instruction
The 1^st instruction sets electronic volume mode, the 2^nd one updates the contents of electronic volume
register. After second instruction, electronic volume mode is released.
The 1^st Instruction
RS
RW
0
0
DB7
1
DB6
0
DB5
0
DB4
0
DB3
0
DB2
0
DB1
0
DB0
1
The 2^nd Instruction
RS
RW
0
0
DB7
×
DB6
×
DB5
EV5
DB4
EV4
DB3
EV3
DB2
EV2
DB1
EV1
DB0
EV0
EV5
EV4
EV3
EV2
EV1
EV0
0
0
0
0
0
0
0
0
0
0
0
1
:
:
:
:
:
:
:
:
:
:
:
:
1
1
1
1
1
0
1
1
1
1
1
1
Reference voltage (α)
0
1
:
:
62
63
Setting Electronic Volume Start
1^st Instruction for Mode Setting
2^nd Instruction for Register Setting
Setting Electronic Volume End
Figure 33. Sequence for Setting the Electronic Volume
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