Intel 80L186EA User Manual
Page 18
80C186EA 80C188EA 80L186EA 80L188EA
Table 7 QFP (EIAJ) Package Location with Pin Names
Location
Name
Location
Name
Location
Name
Location
Name
1
AD15 (A15)
21
S2
41
MCS1 ERROR
61
DRQ0
2
V
CC
22
S1
42
MCS2
62
V
SS
3
A16
23
S0
43
MCS3 NCS
63
N C
4
A17
24
V
SS
44
V
CC
64
AD0
5
A18
25
HLDA
45
UCS
65
AD8 (A8)
6
A19 S6
26
HOLD
46
LCS
66
AD1
7
BHE (RFSH)
27
SRDY
47
PCS6 A2
67
AD9 (A9)
8
WR QS1
28
LOCK
48
PCS5 A1
68
AD2
9
RD QSMD
29
TEST BUSY
49
PCS4
69
AD10 (A10)
10
ALE QS0
30
NMI
50
PCS3
70
AD3
11
N C
31
INT0
51
PCS2
71
AD11 (A11)
12
V
SS
32
INT1 SELECT
52
PCS1
72
V
CC
13
V
SS
33
V
CC
53
V
SS
73
V
CC
14
N C
34
V
CC
54
PCS0
74
AD4
15
N C
35
INT2 INTA0
55
RESIN
75
AD12 (A12)
16
CLKIN
36
INT3 INTA1
56
T1OUT
76
AD5
17
OSCOUT
IRQ
57
T0OUT
77
AD13 (A13)
18
RESOUT
37
DT R
58
T1IN
78
AD6
19
CLKOUT
38
PDTMR
59
T0IN
79
AD14 (A14)
20
ARDY
39
DEN
60
DRQ1
80
AD7
40
MCS0 PEREQ
NOTE
Pin names in parentheses apply to the 80C186EA 80L188EA
NOTES
272432 – 6
1 The nine-character alphanumeric code (XXXXXXXXD) underneath the product number is the Intel FPO number
2 Pin names in parentheses apply to the 80C186EA 80L188EA
Figure 6 Quad Flat Pack (EIAJ) Pinout Diagram
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