UPD16431A NEC, UPD16431A Datasheet - Page 10

• Manufacturer Part Number: UPD16431A
• Description: 1/2/ 1/3/ 1/4-DUTY LCD CONTROLLER/DRIVER
• Manufacturer: NEC

(2) Status command
10
This command sets a data write/read mode, turns on/off display, and sets a latch address.
Values when power is applied
MSB
1
b4
0
b3
0
b2
0
b1
0
LSB
b0
0
Sets data write/read mode.
Turns on/off display
Sets latch address.
0: Writes display data to output latch
1: Reads key data
00: Forcibly turns off display (all segments and LEDs off).
01: Prohibited
10: Normal operation
11: Don’t care
00: COM
01: COM
10: COM
11: COM
: Don’t Care
Stops key scanning.
1
2
3
4
PD16431A