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UPD16680 Datasheet(PDF) 18 Page - NEC

Part # UPD16680
Description  1/53, 1/40 DUTY, LCD CONTROLLER/DRIVER WITH BUILT-IN RAM
PDF  44 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD16680 Datasheet(HTML) 18 Page - NEC

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Data Sheet S12694EJ2V0DS00
18
µµµµPD16680
6. LCD DRIVING
The
µPD16680 is able to choose duty 1/53 duty or 140 duty.
6.1 1/53 duty driving
When 1/53 duty is chosen, the
µPD16680 outputs a choice signal once at 1 frame from the dot part common
outputs (COM1 to COM51), the pictograph part common outputs (PCOM).
123
45678
51 52 53 123456
78
51 52 53
VLC1
VLC2
VLC3
VLC4
VLC5
VSS
SEG1
VLC1
VLC2
VLC3
VLC4
VLC5
VSS
COM2
VLC1
VLC2
VLC3
VLC4
VLC5
VSS
COM1
VLC1
VLC2
VLC3
VLC4
VLC5
VSS
PCOM
1 Frame



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