Z85C3008PEG Datasheet, PDF (21/81 Pages) Zilog, Inc. – CMOS SCC Serial Communications Controller

CMOS SCC Serial Communications Controller
Product Specification
13
Figures 4 and 5 display the pin functions for the Z85C30 and Z80C30 devices, respec-
tively. Descriptions for each of these pins can be found in the Functional Descriptions
chapter on page 15.
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
WR _Z85C30 DCDA
A/B
TxDB
CE
RxDB
D/C
TRxCB
INT
INTACK
IEI
IEO
RTxCB
SYNCB
W/REQB
DTR/REQB
RTSB
CTSB
DCDB
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
Figure 4.Z85C30 Pin Functions
PS011706-0511
Pin Descriptions