Intel 80C186EB Manual page 20

80C186EB 80C188EB 80L186EB 80L188EB
AD Bus
AD0 47
AD1 52
AD2 54
AD3 56
AD4 58
AD5 60
AD6 62
AD7 64
AD8 (A8) 48
AD9 (A9) 53
AD10 (A10) 55
AD11 (A11) 57
AD12 (A12) 59
AD13 (A13) 61
AD14 (A14) 63
AD15 (A15) 65
A16 66
A17 67
A18 68
A19 ONCE 69
1 HLDA
2 HOLD
3 TEST
4 LOCK
5 NMI
6 READY
7 P1 7 GCS7
8 P1 6 GCS6
9 P1 5 GCS5
10 V
SS
11 V
CC
12 P1 4 GCS4
13 P1 3 GCS3
14 P1 2 GCS2
15 P1 1 GCS1
16 P1 0 GCS0
17 LCS
18 UCS
19 INT0
20 INT1
NOTE
Pin names in parentheses apply to the 80C188EB 80L188EB
20
Table 8 SQFP Pin Functions with Location
Bus Control
ALE 75
BHE (RFSH ) 76
S0 79
S1 78
S2 77
RD 73
WR 74
READY 6
DEN 80
LOCK 4
HOLD 2
HLDA 1
Table 9 SQFP Pin Locations with Pin Names
21 INT1 INTA0
22 INT3 INTA1
23 INT4
24 PDTMR
25 RESIN
26 RESOUT
27 OSCOUT
28 CLKIN
29 V
CC
30 V
SS
31 CLKOUT
32 T0OUT
33 T0IN
34 T1OUT
35 T1IN
36 P2 7
37 P2 6
38 CTS0
39 TXD0
40 RXD0
Processor Control
RESIN 25
RESOUT 26
CLKIN 28
OSCOUT 27
CLKOUT 31
TEST BUSY 3
NMI 5
INT0 19
INT1 20
INT2 INTA0 21
INT3 INTA1 22
INT4 23
PDTMR 24
Power and Ground
V 11
CC
V 29
CC
V 50
CC
V 71
CC
V 10
SS
V 30
SS
V 49
SS
V 51
SS
V 70
SS
V 72
SS
41 P2 5 BCLK0
42 P2 3 SINT1
43 P2 4 CTS1
44 P2 0 RXD1
45 P2 1 TXD1
46 P2 2 BCLK1
47 AD0
48 AD8 (A8)
49 V
SS
50 V
CC
51 V
SS
52 AD1
53 AD9 (A9)
54 AD2
55 AD10 (A10)
56 AD3
57 AD11 (A11)
58 AD4
59 AD12 (A12)
60 AD5
I O
UCS 18
LCS 17
P1 0 GCS0 16
P1 1 GCS1 15
P1 2 GCS2 14
P1 3 GCS3 13
P1 4 GCS4 12
P1 5 GCS5 9
P1 6 GCS6 8
P1 7 GCS7 7
P2 0 RXD1 44
P2 1 TXD1 45
P2 2 BCLK1 46
P2 3 SINT1 42
P2 4 CTS1 43
P2 5 BCLK0 41
P2 6 37
P2 7 36
CTS0 38
TXD0 39
RXD0 40
T0IN 33
T1IN 35
T0OUT 32
T1OUT 34
61 AD13 (A13)
62 AD6
63 AD14 (A14)
64 AD7
65 AD15 (A15)
66 A16
67 A17
68 A18
69 A19 ONCE
70 V
SS
71 V
CC
72 V
SS
73 RD
74 WR
75 ALE
76 BHE (RFSH )
77 S2
78 S1
79 S0
80 DEN