Z80C30 Datasheet, PDF (23/96 Pages) Zilog, Inc. – CMOS SCC SERIAL COMMUNICATIONS CONTROLLER

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Data Bus
Bus Timing
and Reset
Control
Interrupt
D7
TxDA
D6
RxDA
D5
TRxCA
D4
RTxCA
D3
SYNCA
D2
W/REQA
D1
DTR/REQA
D0
RTSA
RD
CTSA
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A/B
TxDB
CE
RxDB
D/C
TRxCB
INT
INTACK
RTxCB
SYNCB
IEI
W/REQB
IEO
DTR/REQB
RTSB
CTSB
DCDB
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Serial
Data
Channel
Clocks
Channel
Controls
for Modem,
DMA and
Other
CH-A
Serial
Data
Channel
Clocks
Channel
Controls
for Modem,
DMA and
Other
CH-B
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