z85230 ZiLOG Semiconductor, z85230 Datasheet - Page 8

• Manufacturer Part Number: z85230
• Description: Enhanced Serial Communications Controller
• Manufacturer: ZiLOG Semiconductor

PS005303-0907
DTR/REQA
W/REQA
W/REQA
INTACK
SYNCA
RTxCA
TRxCA
INTACK
SYNCA
TRxCA
DCDA
Z85230 DIP Pin Assignments
RTxCA
RTSA
CTSA
RxDA
PCLK
TxDA
DCDA
RTSA
CTSA
RxDA
PCLK
VCC
TxDA
Z80230 DIP Pin Assignments
IEO
VCC
INT
AD1
AD3
AD5
AD7
IEO
D1
D3
D5
D7
INT
IEI
IEI
1
20
1
20
Figure 3
illustrates the Z80230 DIP and PLCC pin assignments.
Z85230
Z80230
40
21
illustrates the Z85230 DIP and PLCC pin assignments, respectively.
40
21
D0
D2
D4
D6
RD
WR
A/B
CE
D/C
GND
W/REQB
SYNCB
RTxCB
RxDB
TRxCB
TxDB
DTR/REQB
RTSB
CTSB
DCDB
AD0
AD2
AD4
AD6
DS
AS
R/W
CS0
CS1
GND
W/REQB
SYNCB
RTxCB
RxDB
TRxCB
TxDB
DTR/REQB
RTSB
CTSB
DCDB
Figure 3. Z85230 Pin Assignments
Figure 4. Z80230 Pin Assignments
W/REQA
W/REQA
INTACK
INTACK
SYNCA
SYNCA
TRxCA
TRxCA
RTxCA
RTxCA
RxDA
RxDA
TxDA
TxDA
VCC
VCC
IEO
N/C
IEO
N/C
IEI
IEI
17
7
17
Z85230 PLCC Pin Assignments
Z80230 PLCC Pin Assignments
7
18
18
6
6
Z85230
Z80230
1
1
Product Specification
Z85230/Z80230
40
40
28
28
39
29
39
29
Pin Descriptions
Figure 4
A/B
CE
D/C
N/C
GND
W/REQB
SYNCB
RTxCB
RxDB
TRxCB
TxDB
R/W
CS0
CS1
N/C
GND
W/REQB
SYNCB
RTxCB
RxDB
TRxCB
TxDB
3