UPD16311 NEC, UPD16311 Datasheet - Page 10

• Manufacturer Part Number: UPD16311
• Description: 1/8- to 1/16-DUTY FIPTM VFD CONTROLLER/DRIVER
• Manufacturer: NEC

Key Scanning and Display Timing
10
SEG Output
One cycle of key scanning consists of two frames, and data of 12
G
G
G
G
1
2
3
n
T
DISP
1/16
T
DISP
DIG1
= 500 s
DIG2
DIG3
1 frame = T
DISP
(n + 1)


4 matrices is stored in RAM.
DIGn
Key scan data
PD16311
DIG1