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UPD7228 Datasheet(PDF) 18 Page - NEC

Part # UPD7228
Description  1/8, 1/16 DUTY LCD CONTROLLER/DRIVER
PDF  39 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD7228 Datasheet(HTML) 18 Page - NEC

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Data Sheet S10299EJ4V0DS00
18
µµµµ PD16434
(3) 16-time-division (multi-chip configuration)
Bank 0 and bank 1 are used in a pair, and the contents are read out to the column driver as 50
× 16-bit display
data.
The row driver signals, output from each
µ PD16434, are R0 to R7 or R8 to R15.
Figure 2–8 shows bits correspondence for the row driver and column driver for the data memory for each chip.
Figure 2–8. Data Memory (16-Time-Division, Multi-chip)
R8
R9
R10
R11
R12
R13
R14
R15
C49
C48
C1
C0
0
1
2
3
4
5
6
7
Corresponding
row signal
R0
R1
R2
R3
R4
R5
R6
R7
31H
30H
01H
00H
bit 0
1
2
3
4
5
6
7
To colmn driver
Bank 0
Bank 1



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