Z80C30 Datasheet, PDF (24/96 Pages) Zilog, Inc. – CMOS SCC SERIAL COMMUNICATIONS CONTROLLER

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Data Bus
Bus Timing
and Reset
Control
Interrupt
AD7
TxDA
AD6
RxDA
AD5
TRxCA
AD4
RTxCA
AD3
SYNCA
AD2
W/REQA
AD1
DTR/REQA
AD0
RTSA
AS
CTSA
DS _Z80C30 DCDA
R/W
TxDB
CS1
RxDB
CS0
TRxCB
INT
INTACK
IEI
IEO
RTxCB
SYNCB
W/REQB
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
36
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