80C186XL/80C188XL
AD Bus
Table 6. QFP Pin Functions with Location
Bus Control Processor Control
ALE/QS0
I/O
AD0
AD1
64
66
68
70
74
76
78
80
65
67
69
71
75
77
79
1
10
7
RES
55
UCS
LCS
45
46
BHE (RFSH)
S0
S1
RESET
X1
X2
18
16
17
19
29
30
31
32
35
36
AD2
AD3
23
22
21
9
MCS0/PEREQ
MCS1/ERROR
MCS2
39
40
41
42
AD4
AD5
S2
CLKOUT
TEST/BUSY
NMI
RD/QSMD
WR/QS1
ARDY
SRDY
DEN
AD6
AD7
8
MCS3/NPS
20
27
38
37
28
26
25
INT0
AD8 (A8)
AD9 (A9)
AD10 (A10)
AD11 (A11)
AD12 (A12)
AD13 (A13)
AD14 (A14)
AD15 (A15)
A16/S3
A17/S4
A18/S5
A19/S6
INT1/SELECT
INT2/INTA0
INT3/INTA1
PCS0
PCS1
54
52
51
50
49
48
47
DT/R
PCS2
PCS3
LOCK
HOLD
HLDA
PCS4
PCS5/A1
PCS6/A2
Power and Ground
V
33
CC
CC
CC
CC
SS
SS
SS
V
V
V
V
V
V
34
72
73
12
13
53
No Connection
3
TMR IN 0
TMR IN 1
59
58
57
56
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
2
11
14
15
24
43
44
62
63
4
5
TMR OUT 0
TMR OUT 1
6
DRQ0
DRQ1
61
60
NOTE:
Pin names in parentheses apply to the 80C188XL.
Table 7. QFP Pin Locations with Pin Names
1
2
AD15 (A15)
N.C.
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
S2
S1
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
MCS2
MCS3/NPS
N.C.
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
DRQ0
N.C.
N.C.
3
A16/S3
A17/S4
A18/S5
A19/S6
BHE/(RFSH)
WR/QS1
RD/QSMD
ALE/QS0
N.C.
S0
N.C.
4
N.C.
UCS
AD0
AD8 (A8)
AD1
5
HLDA
HOLD
SRDY
LOCK
TEST/BUSY
NMI
6
LCS
7
PCS6/A2
PCS5/A1
PCS4
AD9 (A9)
AD2
8
9
AD10 (A10)
AD3
AD11 (A11)
10
11
12
13
14
15
16
17
18
19
20
PCS3
PCS2
PCS1
INT0
INT1/SELECT
V
V
V
V
SS
SS
CC
CC
V
V
V
SS
PCS0
CC
N.C.
N.C.
AD4
AD12 (A12)
AD5
CC
INT2/INTA0
INT3/INTA1
DT/R
RES
X1
X2
TMR OUT 1
TMR OUT 0
TMR IN 1
TMR IN 0
DRQ1
AD13 (A13)
AD6
RESET
CLKOUT
ARDY
DEN
MCS0/PEREQ
MCS1/ERROR
AD14 (A14)
AD7
NOTE:
Pin names in parentheses apply to the 80C188XL.
20
ETC [ ETC ]
