ML9209 データシートの表示（PDF） - LAPIS Semiconductor Co., Ltd.
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ML9209 Datasheet PDF : 29 Pages
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LAPIS Semiconductor
FEDL9209-01
ML9209-xx
6. “Number of display digits set” command
(Writes the number of display digits into the number-of-display-digits register.)
For the number of display digits, 1 to 16 digits can be specified using 4-bit data.
When power is turned on or when a RESET signal is input, the number-of-display-digits register value is “0”.
Always execute this command before turning the display on, then set a desired value.
[Command format]
1st byte
LSB
MSB
B0 B1 B2 B3 B4 B5 B6 B7
K0 K1 K2 K3 0 1 1 0 : Setup in display digits specification mode and digits value
is specified.
K0 (LSB) to K3 (MSB) : Data of the number of display digits (4 bits: 16 digits worth)
[Relation between data to be set and the number of digits of COM to be controlled]
HEX D0 D1 D2 D3 No. of digits HEX D0 D1 D2 D3 No. of digits
of COM
of COM
0
0 0 0 0 COM1–16
0
0
0
0
1 COM1–18
1
1000
COM1
1
1
0
0
1
COM1–9
2
0100
COM1–2
2
0
1
0
1 COM1–10
3
1100
COM1–3
3
1
1
0
1 COM1–11
4
0010
COM1–4
4
0
0
1
1 COM1–12
5
1010
COM1–5
5
1
0
1
1 COM1–13
6
0110
COM1–6
6
0
1
1
1 COM1–14
7
1110
COM1–7
7
1
1
1
1 COM1–15
* The state when power is turned on or when the RESET signal is input.
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