FEDL9205-03
1
Semiconductor
ML9205-01
5. Display duty set
(Writes a display duty value to the duty cycle register.)
Display duty adjusts brightness in 8 stages using 3-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]
LSB
MSB
B0 B1 B2 B3 B4 B5 B6 B7
D0 D1 D2
1st byte
: selects display duty set mode and sets duty value
1
0
1
* *
D0 (LSB) to D2 (MSB) : display duty data (3 bits: 8 stages)
: Don't care
*
[Relation between setup data and controlled COM duty]
HEX
D0
0
D1
0
D2
0
COM duty
8/16
← (The state when power is turned on or when RESET signal
0
1
2
3
4
5
6
7
is input.)
1
0
0
9/16
0
1
0
10/16
11/16
12/16
13/16
14/16
15/16
1
1
0
0
0
1
1
0
1
0
1
1
1
1
1
24/34
OKI [ OKI ELECTRONIC COMPONETS ]
