Z80C30 Datasheet, PDF (87/96 Pages) Zilog, Inc. – CMOS SCC SERIAL COMMUNICATIONS CONTROLLER

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PCLK
W/REQ
Request
W/REQ
Wait
RTxC, TRxC
Receive
RxD
SYNC
External
TRxC, RTxC
Transmit
TxD
TRxC
Output
RTxC
TRxC
CTS, DCD
SYNC
Input
3
4
5
8
9
1
2
6
7
10
11
12
13
14
15
16
17
18
19
20
22
22
22
22
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(OHFWULFDO &KDUDFWHULVWLFV
36