S80C186EC20 Intel, S80C186EC20 Datasheet - Page 22

• Manufacturer Part Number: S80C186EC20
• Description: 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSOR
• Manufacturer: Intel

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