W921C844 데이터 시트보기 (PDF) - Winbond
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W921C844 Datasheet PDF : 58 Pages
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W921E840A/W921C840
3. PIN CONFIGURATIONS
40-pin DIP
21
W921E840A - 843A
/W921C840 - 843
1
PIN NAME
P2.0
P2.1
P2.2
P2.3
P3.0/ANI0
P3.1/ANI1
P3.2/ANI2
P3.3/ANI3
P4.0
P4.1
P4.2
P4.3/INT0
P5.0/TM1
P5.1/TM2
P5.2/VREF
P5.3/DAOUT
P6.0/WDATA
P6.1/WCLK
P6.2/RDATA
VSS
DIP40
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PIN NAME
P6.3/RCLK
PA.0
PA.1
PA.2
PA.3
PB.0
PB.1
PB.2
PB.3
PC.0 or BTG
PC.1
PC.2
PC.3
DTMF
PD.0 or XT
PD.1 or XT
RESET
OSCO
OSCI
VDD
DIP40
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
-6-
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