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UPD7225 Datasheet(PDF) 9 Page - NEC

Part # UPD7225
Description  PROGRAMMABLE LCD CONTROLLER/DRIVER
PDF  52 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD7225 Datasheet(HTML) 9 Page - NEC

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Data Sheet S14308EJ6V0DS00
9
µµµµPD7225
0
70
3
Decode data
Specifies 7-segment
decoder
1
70
6
Decode data
Specifies 14-segment
decoder
When displaying the output of the segment decoder (display data) on the LCD, use an LCD configured as shown
in Figure 2-1 or Figure 2-2.
If another type of LCD is used, the displayed pattern will be different.
Figure 2-1. 7-Segment Type LCD
When configuring the LCD for divide-by-3 time division mode, connect as follows:
SEGn
COM1
COM0
COM2
SEGn + 1
SEGn + 2
SEGn
SEGn +1
SEGn + 2
COM0
COM1
COM2
: b, c, DP
: a, d, g
: e, f
: a, b, f
: c, e, g
: d, DP
a
b
c
d
e
f
DP
g
,,,
,,,
,,
,,
,,
,,
,,
,,
,
,
,
,
,



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