Z80180/Z8S180/Z8L180
Enhanced Z180 Microprocessor
Zilog
Table 2. Pin Status During RESET BUSACK and SLEEP
Pin Number and Package Type
Pin Status
Default
Function
Secondary
Function
SLEEP
QFP
PLCC
DIP
RESET
BUSACK
1
2
9
8
/NMI
NC
IN
IN
IN
3
NC
4
10
11
12
13
14
15
16
17
18
9
/INT0
/INT1
/INT2
ST
IN
IN
IN
IN
IN
IN
IN
1
5
10
11
12
13
14
15
16
6
IN
IN
7
1
?
8
A0
3T
3T
3T
3T
GND
3T
3T
3T
3T
GND
1
9
A1
1
10
11
12
A2
1
A3
1
V
GND
SS
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
19
17
A4
NC
A5
3T
3T
1
20
21
22
23
24
25
26
18
19
20
21
22
23
24
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
1
1
1
1
1
1
1
A6
A7
A8
A9
A10
A11
NC
NC
A12
A13
A14
A15
A16
A17
NC
A18
27
28
29
30
31
32
25
26
27
28
29
30
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
1
1
1
1
1
1
33
34
31
32
/T
3T
3T
1
OUT
32
V
V
V
V
CC
CC
CC
CC
33
34
35
36
A19
3T
3T
1
33
V
GND
GND
GND
SS
35
36
37
38
39
40
41
42
43
44
37
38
39
40
41
42
43
34
35
36
37
38
39
40
D0
D1
D2
D3
D4
D5
D6
NC
NC
D7
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
3T
44
41
3T
3T
3T
1-8
P R E L I M I N A R Y
DS971800401
ZILOG [ ZILOG, INC. ]
