参数资料
型号: ML9204-XXGA
厂商: LAPIS SEMICONDUCTOR CO LTD
元件分类: 显示控制器
英文描述: 24 X 35 DOTS FLUORESCENT DSPL CTRL, PQFP128
封装: 14 X 20 MM, 0.50 MM PITCH, PLASTIC, QFP-128
文件页数: 22/42页
文件大小: 317K
代理商: ML9204-XXGA
PEDL9204-02
OKI Semiconductor
ML9204-xx
28/41
5. Display duty set
(writes display duty value to duty cycle register)
Display duty adjusts brightness in 1024 stages using 10-bit data.
When power is turned on or when the
RESET signal is input, the duty cycle register value is “0”. Always
execute this instruction before turning the display on, then set a desired duty value.
[Command format]
D0 (LSB) to D9 (MSB) :
Display duty data (10 bits: 1024 stages)
* :
Don’t care
[Relation between setup data and controlled COM duty]
HEX
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
COM duty
000
0
0/1024
001
1
0
1/1024
002
0
1
0
2/1024
3BE
0
1
0
1
958/1024
3BF
1
0
1
959/1024
3C0
0
1
960/1024
3C1
1
0
1
960/1024
3FF
1
960/1024
The state when power is turned on or when
RESET signal is input.
D0 D1
*
1
0
1
0
B0 B1 B2 B3 B4 B5 B6 B7
1st byte
LSB
MSB
: Selects display duty set mode and sets duty value (lower 2 bits)
D2 D3 D4 D5 D6 D7 D8 D9
B0 B1 B2 B3 B4 B5 B6 B7
2nd byte
(2nd)
LSB
MSB
: sets duty value (upper 8 bits)
(1st)
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