Zilog Z80230 - Manual (Page 19)

SCC/ESCC
User Manual
UM010903-0515 General Description
12
Z80X30 DIP Pin Assignments
1
2
9
3
4
5
6
7
8
40
39
38
37
36
35
34
33
32 AD0
AD2
CS1
AD4
AD6
/DS
/AS
R//W
/CS0
AD1
31
30
29
28
27
14
10
11
12
13 GND
/W//REQB
/SYNCB
/RTxCB
RxDB
AD3
AD5
AD7
/INT
IEO
IEI
/INTACK
VCC
/W//REQA
/SYNCA
/RTxCA
RxDA
/TRxCA
TxDA
/DTR//REQA
/RTSA
/CTSA
/DCDA
PCLK
15
16
17
18
19
20 /TRxCB
TxDB
/DTR//REQB
RTSB
/CTSB
/DCDB 26
25
24
23
22
21
Z80X30