msm9201-01 Oki Semiconductor, msm9201-01 Datasheet - Page 27

• Manufacturer Part Number: msm9201-01
• Description: Fluorescent Display Tube Controller Driver
• Manufacturer: Oki Semiconductor

¡ Semiconductor
6. Number of display digits set
[Command format]
[Relation between setup data and controlled COM]
1st byte
(writes the number of display digits to the display digit register)
The number of display digits set can display 9 to 24 digits using 4-bit data.
At the time power is turned on or a RESET signal is input, the display digit register value is
"0". Always execute this instruction to change the number of digits before turning the dispaly
on.
The state at the time power is turned on or RESET signal is input
HEX K0 K1 K2 K3
0
1
2
3
4
5
6
7
LSB
B0 B1 B2 B3 B4 B5 B6 B7
K0 K1 K2 K3
K0 (LSB) to K3 (MSB): number of display digits data (4 bits: 16 digits)
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
*
0
0
0
0
0
0
0
0
0
Number of digits
1
COM1-24
COM1-9
COM1-10
COM1-11
COM1-12
COM1-13
COM1-14
COM1-15
of COM
MSB
1
: selects the number of display digits set mode and specifies
the number of digits value.
HEX K0 K1 K2 K3
8
9
A
B
C
D
E
F
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
Number of digits
COM1-16
COM1-17
COM1-18
COM1-19
COM1-20
COM1-21
COM1-22
COM1-23
of COM
PEDL9201-03
MSM9201-01
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