Z80C30 Datasheet, PDF (68/96 Pages) Zilog, Inc. – CMOS SCC SERIAL COMMUNICATIONS CONTROLLER

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PCLK
A/B, D/C
INTACK
CE
RD
D7–D0
Read
WR
D7–D0
Write
W/REQ
Wait
W/REQ
Request
DTR/REQ
Request
INT
1
6
10
11
13
16
19
23
27
22
Active
25
2
5
3
7
9
12
14
4
10
15
18
20
21
Valid
24
17
26
28
31
30
29
32
35
33
34
36
37
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36
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