Z80230 Datasheet, PDF (2/12 Pages) Zilog, Inc. – ESCC™ ENHANCED SERIAL COMMUNICATION CONTROLLER

GENERAL DESCRIPTION (Continued)
AD1
AD3
AD5
AD7
/INT
IEO
IEI
/INTACK
VCC
/W//REQA
/SYNCA
/RTxCA
RxDA
/TRxCA
TxDA
/DTR//REQA
/RTSA
/CTSA
/DCDA
PCLK
1
40
2
39
3
38
4
37
5
36
6
35
7
34
8
33
9
32
10
31
Z80230
11
30
12
29
13
28
14
27
15
26
16
25
17
24
18
23
19
22
20
21
AD0
AD2
AD4
AD6
/DS
/AS
R//W
/CS0
CS1
GND
/W//REQB
/SYNCB
/RTxCB
RxDB
/TRxCB
TxDB
/DTR//REQB
RTSB
/CTSB
/DCDB
Z80230 DIP Pin Assignments
IEO
IEI
/INTACK
VCC
/W//REQA
/SYNCA
/RTxCA
RxDA
/TRxCA
TxDA
NC
6 5 4 3 2 1 44 43 42 41 40
7
39
8
38
9
37
10
36
11
35
12
Z80230
34
13
33
14
32
15
31
16
30
17
29
18 19 20 21 22 23 24 25 26 27 28
R//W
/CS0
/CS1
NC
GND
/W//REQB
/SYNCB
/RTxCB
RxDB
/TRxCB
TxDB
Z80230 PLCC Pin Assignments
2