S6B0755 Datasheet, PDF (44/68 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 Partial Display Duty Ratio
When the icon mode is disable, Sets the duty ratio within range of 16 to 64 to realize partial display by using
the 2-byte instruction. When the icon mode is enable, Sets the duty ratio within range of 17 to 65 to realize
partial display by using the 2-byte instruction. This table is icon disable case.
The 1^st Instruction
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
The 2^nd Instruction
RS
RW
0
DB7
1
DB6
0
DB5
0
DB4
1
DB3
0
DB2
×
DB1
×
DB0
0
0
×
D6
D5
D4
D3
D2
D1
D0
Icon Enable/Disable Bit = 0
D6
D5
D4
D3
D2
D1
D0
Selected partial duty ratio
0
0
0
0
0
0
0
:
:
:
:
:
:
:
No operation
0
0
1
0
0
0
0
0
0
1
0
0
0
0
1/16
0
0
1
0
0
0
1
1/17
0
0
1
0
0
1
0
1/18
0
0
1
0
0
1
1
1/19
:
:
:
:
:
:
:
:
0
1
1
1
1
0
1
1/61
0
1
1
1
1
1
0
1/62
0
1
1
1
1
1
1
1/63
1
0
0
0
0
0
0
1/64
1
0
0
0
0
1
0
:
:
:
:
:
:
:
No operation
1
1
1
1
1
1
1
Setting Partial Display Start
1^st Instruction (Mode Setting)
2^nd Instruction (Partial Display Duty Setting)
Setting Partial Display End
Figure 31. Sequence for Setting Partial Display
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