UPD16431A NEC, UPD16431A Datasheet - Page 22

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

KEY SCAN PERIOD (K2) EXPANSION
KEY SCAN PERIOD (K3) EXPANSION
22
SEG
SEG
1
1
-SEG
-SEG
COM
COM
40
40
1
1
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
LCD
LCD
LCD
LCD
LC1
LC2
LC3
LC1
LC2
LC3
LC1
LC2
LC3
LC1
LC2
LC3
EE
EE
EE
EE
1
2
1
1
2
2
3
3
4
4
K2
K3
5
5
6
6
7
7
8
8
3
2
PD16431A