參數(shù)資料
型號: ML9208A-XXGA
廠商: LAPIS SEMICONDUCTOR CO LTD
元件分類: 顯示控制器
英文描述: 5 X 7 DOT CHARACTER FLUORESCENT DSPL CTRL, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64
文件頁數(shù): 15/35頁
文件大?。?/td> 632K
代理商: ML9208A-XXGA
FEDL9208A-02
ML9208A-xx
22/35
5. Display duty set
(writes display duty value to duty cycle register)
Display duty adjusts contrast in 16 stages using 4-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 D1 D2 D3 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
D0 (LSB) to D2 (MSB) : display duty data (4 bits: 16 stages)
* : don’t care
[Relation between setup data and controlled COM duty]
HEX
D0
D1
D2
D3
COM duty
HEX
D0
D1
D2
D3
COM duty
0
0/16
8
0
1
8/16
1
0
1/16
9
1
0
1
9/16
2
0
1
0
2/16
A
0
1
0
1
10/16
3
1
0
3/16
B
1
0
1
11/16
4
0
1
0
4/16
C
0
1
12/16
5
1
0
1
0
5/16
D
1
0
1
13/16
6
0
1
0
6/16
E
0
1
14/16
7
1
0
7/16
F
1
15/16
* The state when power is turned on or when the RESET signal is input.
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