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80C188XL Datasheet(PDF) 21 Page - Intel Corporation

Part # 80C188XL
Description  16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
PDF  48 Pages
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Manufacturer  INTEL [Intel Corporation]
Direct Link  http://www.intel.com
Logo INTEL - Intel Corporation

80C188XL Datasheet(HTML) 21 Page - Intel Corporation

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80C186XL80C188XL
Table 8 SQFP Pin Functions with Location
AD Bus
AD0
1
AD1
3
AD2
6
AD3
8
AD4
12
AD5
14
AD6
16
AD7
18
AD8 (A8)
2
AD9 (A9)
5
AD10 (A10)
7
AD11 (A11)
9
AD12 (A12)
13
AD13 (A13)
15
AD14 (A14)
17
AD15 (A15)
19
A16S3
21
A17S4
22
A18S5
23
A19S6
24
Bus Control
ALEQS0
29
BHE (RFSH)26
S0
40
S1
39
S2
38
RD QSMD
28
WR QS1
27
ARDY
37
SRDY
44
DEN
56
DTR
54
LOCK
45
HOLD
43
HLDA
42
No Connection
NC
4
NC
25
NC
35
NC
55
NC
72
Processor Control
RES
73
RESET
34
X1
32
X2
33
CLKOUT
36
TEST BUSY
46
NMI
47
INT0
48
INT1SELECT
49
INT2INTA0
52
INT3INTA1
53
Power and Ground
VCC
10
VCC
11
VCC
20
VCC
50
VCC
51
VCC
61
VSS
30
VSS
31
VSS
41
VSS
70
VSS
80
IO
UCS
62
LCS
63
MCS0 PEREQ
57
MCS1 ERROR
58
MCS2
59
MCS3 NPS
60
PCS0
71
PCS1
69
PCS2
68
PCS3
67
PCS4
66
PCS5 A1
65
PCS6 A2
64
TMR IN 0
77
TMR IN 1
76
TMR OUT 0
75
TMR OUT 1
74
DRQ0
79
DRQ1
78
NOTE
Pin names in parentheses apply to the 80C188XL
Table 9 SQFP Pin Locations with Pin Names
1
AD0
2
AD8 (A8)
3
AD1
4
NC
5
AD9 (A9)
6
AD2
7
AD10 (A10)
8
AD3
9
AD11 (A11)
10
VCC
11
VCC
12
AD4
13
AD12 (A12)
14
AD5
15
AD13 (A13)
16
AD6
17
AD14 (A14)
18
AD7
19
AD15 (A15)
20
VCC
21
A16S3
22
A17S4
23
A18S5
24
A19S6
25
NC
26
BHE (RFSH)
27
WR QS1
28
RD QSMD
29
ALEQS0
30
VSS
31
VSS
32
X1
33
X2
34
RESET
35
NC
36
CLKOUT
37
ARDY
38
S2
39
S1
40
S0
41
VSS
42
HLDA
43
HOLD
44
SRDY
45
LOCK
46
TEST BUSY
47
NMI
48
INT0
49
INT1SELECT
50
VCC
51
VCC
52
INT2INTA0
53
INT3INTA1
54
DTR
55
NC
56
DEN
57
MCS0 PEREQ
58
MCS1 ERROR
59
MCS2
60
MCS3 NPS
61
VCC
62
UCS
63
LCS
64
PCS6 A2
65
PCS5 A1
66
PCS4
67
PCS3
68
PCS2
69
PCS1
70
VSS
71
PCS0
72
NC
73
RES
74
TMR OUT 1
75
TMR OUT 0
76
TMR IN 1
77
TMR IN 0
78
DRQ1
79
DRQ0
80
VSS
NOTE
Pin names in parentheses apply to the 80C188XL
21
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