S80C186EC20 Intel, S80C186EC20 Datasheet - Page 16

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

80C186EC 188EC 80L186EC 188EC
16
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
P2 2 BCLK0
P2 6 BCLK1
P2 0 RXD0
P2 4 RXD1
P2 1 TXD0
P2 3 CTS0
P2 5 TXD1
P2 7 CTS1
P3 0 RXI1
P3 1 TXI1
OSCOUT
RESOUT
CLKOUT
PDTMR
T0OUT
T1OUT
RESIN
CLKIN
Name
DRQ3
T0IN
T1IN
V
V
V
V
SS
CC
CC
SS
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 4 PQFP Pin Locations with Pin Name
DMAI0 P3 2
DMAI1 P3 3
NCS (N C )
WDTOUT
Name
HOLD
HLDA
LOCK
DT R
INTA
INT0
INT1
INT2
INT3
INT4
INT5
INT6
INT7
DEN
P3 4
P3 5
V
V
V
WR
RD
CC
SS
SS
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
A19 S6 ONCE
BHE (RFSH)
AD15 (A15)
AD14 (A14)
AD13 (A13)
AD12 (A12)
AD11 (A11)
AD10 (A10)
AD9 (A9)
AD8 (A8)
A18 S5
Name
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
ALE
V
V
V
V
V
SS
CC
CC
SS
CC
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
ERROR (V
PEREQ (V
P1 7 GCS7
P1 6 GCS6
P1 5 GCS5
P1 4 GCS4
P1 3 GCS3
P1 2 GCS2
P1 1 GCS1
P1 0 GCS0
A17 S4
A16 S3
READY
Name
DRQ0
DRQ1
DRQ2
TEST
UCS
LCS
NMI
V
V
S0
S1
S2
CC
SS
SS
CC
)
)