AM186EM-20KC/W AMD [Advanced Micro Devices], AM186EM-20KC/W Datasheet - Page 22

• Manufacturer Part Number: AM186EM-20KC/W
• Description: High Performance, 80C186-/80C188-Compatible and 80L186-/80L188-Compatible, 16-Bit Embedded Microcontrollers
• Manufacturer: AMD [Advanced Micro Devices]

PQFP PIN ASSIGNMENTS—Am188EM Microcontroller
(Sorted by Pin Name)
22
Pin Name
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17/PIO7
A18/PIO8
A19/PIO9
AD0
AD1
AD2
AD3
AD4
No.
40
39
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
20
19
78
80
82
84
86
Am186/188EM and Am186/188EMLV Microcontrollers
Pin Name
AD5
AD6
AD7
ALE
AO8
AO9
AO10
AO11
AO12
AO13
AO14
AO15
ARDY
CLKOUTA
CLKOUTB
DEN/PIO5
DRQ0/PIO12
DRQ1/PIO13
DT/R/PIO4
GND
GND
GND
GND
GND
GND
P R E L I M I N A R Y
No.
88
91
94
79
81
83
85
87
90
93
95
16
17
49
77
76
48
12
18
41
42
64
70
7
8
Pin Name
GND
HLDA
HOLD
INT0
INT1/SELECT
INT2/INTA0/PIO31
INT3/INTA1/IRQ
INT4/PIO30
LCS/ONCE0
MCS0/PIO14
MCS1/PIO15
MCS2/PIO24
MCS3/RFSH/PIO25
NMI
PCS0/PIO16
PCS1/PIO17
PCS2/PIO18
PCS3/PIO19
PCS5/A1/PIO3
PCS6/A2/PIO2
RD
RES
RFSH2/ADEN
RXD/PIO28
S0
No.
89
44
45
56
55
54
53
52
58
50
51
68
69
47
66
65
63
62
60
59
71
99
11
6
4
Pin Name
S1
S2
S6/CLKDIV2/PIO29
SCLK/PIO20
SDATA/PIO21
SDEN0/PIO22
SDEN1/PIO23
SRDY/PIO6
TMRIN0/PIO11
TMRIN1/PIO0
TMROUT0/PIO10
TMROUT1/PIO1
TXD/PIO27
UCS/ONCE1
UZI/PIO26
V
V
V
V
V
V
WB
WR
X1
X2
CC
CC
CC
CC
CC
CC
No.
100
10
96
46
75
72
74
73
98
57
97
15
21
38
61
67
92
43
13
14
9
3
2
1
5