Z8S18020FSC Datasheet, PDF (9/70 Pages) Zilog, Inc. – ENHANCED Z180 MICROPROCESSOR

Zilog
Z80180/Z8S180/Z8L180
Enhanced Z180 Microprocessor
Table 2. Pin Status During RESET BUSACK and SLEEP
Pin Number and Package Type
Default
Secondary
Pin Status
1
QFP
PLCC
DIP
Function
Function
RESET
BUSACK
SLEEP
45
45
42
/RTS0
1
OUT
1
46
46
43
/CTS0
IN
OUT
IN
47
47
44
/DCD0
IN
IN
IN
48
48
45
TXA0
1
OUT
OUT
49
49
46
RXA0
IN
IN
IN
50
50
47
CKA0
/DREQ0
3T
OUT
OUT
51
NC
52
51
48
TXA1
1
OUT
OUT
53
52
TEST
54
53
49
RXA1
IN
IN
IN
55
54
50
CKA1
/TEND0
3T
IN
IN
56
55
51
TXS
1
OUT
OUT
57
56
52
RXS
/CTS1
IN
IN
IN
58
57
53
CKS
3T
I/O
I/O
59
58
54
/DREQ1
IN
3T
IN
60
59
55
/TEND1
1
OUT
1
61
60
56
/HALT
1
1
0
62
NC
63
NC
64
61
57
/RFSH
1
OUT
OUT
65
62
58
/IORQ
1
3T
1
66
63
59
/MREQ
1
3T
1
67
64
60
E
0
OUT
OUT
68
65
61
/M1
1
1
1
69
66
62
/WR
1
3T
1
70
67
63
/RD
1
3T
1
71
68
64
PHI
OUT
OUT
OUT
72
1
1
V_SS
73
2
V_SS
74
3
2
XTAL
GND
GND
OUT
GND
GND
OUT
GND
GND
OUT
75
NC
76
4
3
EXTAL
IN
IN
IN
77
5
4
/WAIT
IN
IN
IN
78
6
5
/BUSACK
1
OUT
OUT
79
7
6
/BUSREQ
IN
IN
IN
80
8
7
/RESET
IN
IN
IN
DS971800401
PRELIMINARY
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