UPD16680 NEC, UPD16680 Datasheet - Page 18

• Manufacturer Part Number: UPD16680
• Description: 1/53/ 1/40 DUTY/ LCD CONTROLLER/DRIVER WITH BUILT-IN RAM
• Manufacturer: NEC

6. LCD DRIVING
The PD16680 is able to choose duty 1/53 duty or 140 duty.
6.1 1/53 duty driving
outputs (COM
18
SEG
COM
COM
PCOM
When 1/53 duty is chosen, the PD16680 outputs a choice signal once at 1 frame from the dot part common
1
V
V
V
1
2
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
LC1
LC2
LC3
LC4
LC5
LC1
LC2
LC3
LC4
LC5
LC1
LC2
LC3
LC4
LC5
LC1
LC2
LC3
LC4
LC5
SS
SS
SS
SS
1
to COM
1 2 3 4 5 6 7 8
51
), the pictograph part common outputs (PCOM).
1 Frame
Data Sheet S12694EJ2V0DS00
51 52 53 1 2 3 4 5 6 7 8
51 52 53
PD16680