Z8523016VEG Datasheet, PDF (7/118 Pages) Zilog, Inc. – Enhanced Serial Communications Controller

Z80230/Z85230/L
Product Specification
2
Data Bus
Bus Timing
and Reset
Control
Interrupt
Data Bus
Bus Timing
and Reset
Control
Interrupt
PS005308-0609
D7
TxDA
D6
RxDA
D5
TRxCA
D4
RTxCA
D3
SYNCA
D2
W/REQA
D1
DTR/REQA
D0
RTSA
RD
CTSA
WR
DCDA
A/B ^Z85230/L TxDB
CE
RxDB
D/C
TRxCB
INT
RTxCB
INTACK
SYNCB
IEI
W/REQB
IEO
DTR/REQB
RTSB
CTSB
DCDB
Serial
Data
Channel
Clocks
Channel
Controls
for modem,
DMA and
Other
Serial
Data
Channel
Clocks
Channel
Controls
for modem,
DMA and
Other
Channel A
Channel B
+VccGND PCLK
Figure 1. Z85230/L Pin Functions
AD7
TxDA
AD6
RxDA
AD5
TRxCA
AD4
RTxCA
AD3
SYNCA
AD2
W/REQA
AD1
DTR/REQA
AD0
RTSA
AS
CTSA
DS
R/W ^Z80230
DCDA
TxDB
CS1
RxDB
CS0
TRxCB
INT
RTxCB
INTACK
SYNCB
IEI
W/REQB
IEO
DTR/REQB
RTSB
CTSB
DCDB
+V_CCGND PCLK
Figure 2. Z80230 Pin Functions
Serial
Data
Channel
Clocks
Channel
Controls
for modem,
DMA and
Other
Serial
Data
Channel
Clocks
Channel
Controls
for modem,
DMA and
Other
Channel A
Channel B
Pin Descriptions