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UPD16431AGC-7ET Просмотр технического описания (PDF) - NEC => Renesas Technology
Номер в каталоге
Компоненты Описание
производитель
UPD16431AGC-7ET
1/2, 1/3, 1/4-DUTY LCD CONTROLLER/DRIVER
NEC => Renesas Technology
UPD16431AGC-7ET Datasheet PDF : 34 Pages
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BLOCK DIAGRAM
µ
PD16431A
STB
DATA
CLK
KEY REQ
Key counter
48
Segment driver
56
Level shifter (56)
56
Selector circuit
8
8
OE
LED
driver
Common
driver
4
Level
shifter
4
OE
LCD/LED
SYNC
Write address
I/O
control
56
Output latch (56
×
4)
56
56-bit shift register
2
Read
address
Timing
generator
OSC
8-bit
shift
register
8
Command
decoder
Key counter
Key latch S/R
OSC
IN
OSC
OUT
key
1
key
4
V
DD
V
SS
V
LCD
V
LC1
V
LC2
V
LC3
2
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