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80C186EC Datasheet, PDF (22/57 Pages) Intel Corporation – 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
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80C186EC 188EC 80L186EC 188EC
Pin
Name
1 DRQ3
2 T0OUT
3 T0IN
4 T1OUT
5 T1IN
6 CLKOUT
7 RESOUT
8 RESIN
9 PDTMR
10 CLKIN
11 OSCOUT
12 VSS
13 VCC
14 VCC
15 VSS
16 P2 0 RXD0
17 P2 1 TXD0
18 P2 2 BCLK0
19 P2 3 CTS0
20 P2 4 RXD1
21 P2 5 TXD1
22 P2 6 BCLK1
23 P2 7 CTS1
24 P3 0 RXI1
25 P3 1 TXI1
Table 8 SQFP Pin Locations with Pin Names
Pin
Name
Pin
Name
26 P3 2 DMAI0
27 P3 3 DMAI1
28 P3 4
29 P3 5
30 INT0
31 INT1
32 INT2
33 INT3
34 INTA
35 NSC (N C )
36 WDTOUT
37
VSS
38
VCC
39
VSS
40 INT4
41 INT5
42 INT6
43 INT7
44 HOLD
45 HLDA
46 DT R
47 DEN
48 LOCK
49 WR
50 RD
51 BHE (RFSH)
52 ALE
53 AD15 (A15)
54 AD14 (A14)
55 AD13 (A13)
56 AD12 (A12)
57 AD11 (A11)
58 AD10 (A10)
59 AD9 (A9)
60 AD8 (A8)
61 VSS
62 VCC
63 AD7 (A7)
64 AD6 (A6)
65 AD5
66 AD4
67 VCC
68 VSS
69 VCC
70 AD3
71 AD2
72 AD1
73 AD0
74 A19 ONCE
75 AD18
Pin
Name
76 A17
77 A16
78 S0
79 S1
80 S2
81 PEREQ (VSS)
82 MNI
83 TEST BUSY
(TEST)
84 ERROR (VCC)
85 READY
86 VCC
87 VSS
88 UCS
89 LCS
90 P1 7 GCS7
91 P1 6 GS6
92 P1 5 GCS5
93 P1 4 GCS4
94 P1 3 GCS3
95 P1 2 GCS2
96 P1 1 GCS1
97 P1 0 GCS0
98 DRQ0
99 DRQ1
100 DRQ2
22
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