Intel 80L186EA - Manual (Page 19)

80C186EA 80C188EA 80L186EA 80L188EA
Table 8 SQFP Pin Functions with Package 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
A16 S3 21
A17 S4 22
A18 S5 23
A19 S6 24
Bus Control
ALE QS0 29
BHE (RFSH) 26
S0 40
S1 39
S2 38
RD QSMD 28
WR QS1 27
ARDY 37
SRDY 44
DEN 56
DT R 54
LOCK 45
HOLD 43
HLDA 42
No Connection
N C 4
N C 25
N C 35
N C 72
Processor Control
RESIN 73
RESOUT 34
CLKIN 32
OSCOUT 33
CLKOUT 36
TEST BUSY 46
NMI 47
INT0 48
INT1 SELECT 49
INT2 INTA0 52
INT3 INTA1 53
PDTMR 55
Power and Ground
V CC 10
V
CC
11
V
CC
20
V
CC
50
V CC 51
V
CC
61
V
SS
30
V
SS
31
V SS 41
V
SS
70
V
SS
80
I O
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 80C186EA 80L188EA
Table 9 SQFP Pin Locations with Pin Names
1 AD0
2 AD8 (A8)
3 AD1
4 N C
5 AD9 (A9)
6 AD2
7 AD10 (A10)
8 AD3
9 AD11 (A11)
10 V
CC
11 V
CC
12 AD4
13 AD12 (A12)
14 AD5
15 AD13 (A13)
16 AD6
17 AD14 (A14)
18 AD7
19 AD15 (A15)
20 V
CC
21 A16 S3
22 A17 S4
23 A18 S5
24 A19 S6
25 N C
26 BHE (RFSH)
27 WR QS1
28 RD QSMD
29 ALE QS0
30 V
SS
31 V
SS
32 X1
33 X2
34 RESET
35 N C
36 CLKOUT
37 ARDY
38 S2
39 S1
40 S0
41 V
SS
42 HLDA
43 HOLD
44 SRDY
45 LOCK
46 TEST BUSY
47 NMI
48 INT0
49 INT1 SELECT
50 V
CC
51 V
CC
52 INT2 INTA0
53 INT3 INTA1
54 DT R
55 PDTMR
56 DEN
57 MCS0 PEREQ
58 MCS1 ERROR
59 MCS2
60 MCS3 NPS
61 V
CC
62 UCS
63 LCS
64 PCS6 A2
65 PCS5 A1
66 PCS4
67 PCS3
68 PCS2
69 PCS1
70 V
SS
71 PCS0
72 N C
73 RES
74 TMR OUT 1
75 TMR OUT 0
76 TMR IN 1
77 TMR IN 0
78 DRQ1
79 DRQ0
80 V
SS
NOTE
Pin names in parentheses apply to the 80C186EA 80L188EA
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