z85c30 ZiLOG Semiconductor, z85c30 Datasheet - Page 16

• Manufacturer Part Number: z85c30
• Description: Cmos Scc Serial Communications Controller
• Manufacturer: ZiLOG Semiconductor

PS011705-0608
Figure 5
Bus Timing
and Reset
displays the pin functions for the Z80C30 device.
Data Bus
Interrupt
Control
Figure 5. Z80C30 Pin Functions
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
AS
DS
R/W
CS1
CS0
INT
INTACK
IEI
IEO
Z80C30
CMOS SCC Serial Communications Controller
DTR/REQA
DTR/REQB
W/REQA
W/REQB
SYNCA
SYNCB
TRxCA
RTxCA
TRxCB
RTxCB
DCDB
RTSA
DCDA
RxDA
RxDB
RTSB
CTSB
TxDA
CTSA
TxDB
Serial
Data
Channel
Clocks
Channel
Controls
for Modem,
DMA and
Other
Serial
Data
Channel
Clocks
Channel
Controls
for Modem,
DMA and
Other
CH-A
CH-B
Product Specification
General Description
12