80C186EB Datasheet, PDF (20/59 Pages) Intel Corporation – 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS

80C186EB 80C188EB 80L186EB 80L188EB
Table 8 SQFP Pin Functions with Location
AD Bus
Bus Control
Processor Control
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8 (A8)
AD9 (A9)
AD10 (A10)
AD11 (A11)
AD12 (A12)
AD13 (A13)
AD14 (A14)
AD15 (A15)
A16
A17
A18
A19 ONCE
47 ALE
75 RESIN
25
52 BHE (RFSH ) 76 RESOUT
26
54 S0
79 CLKIN
28
56 S1
78 OSCOUT
27
58 S2
77 CLKOUT
31
60 RD
73 TEST BUSY
3
62 WR
74 NMI
5
64 READY
6 INT0
19
48 DEN
80 INT1
20
53 LOCK
4 INT2 INTA0
21
55 HOLD
2 INT3 INTA1
22
57 HLDA
1 INT4
23
59
PDTMR
24
61
63
65
Power and Ground
66
V_CC
11
67
V_CC
29
68
V_CC
50
69
V_CC
71
V_SS
10
V_SS
30
V_SS
49
V_SS
51
V_SS
70
V_SS
72
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
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
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
NOTE
Pin names in parentheses apply to the 80C188EB 80L188EB
20
IO
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
20