P R E L I M I N A R Y
TQFP PIN ASSIGNMENTS—Am186ES Microcontroller
(Sorted by Pin Number)
Pin No. Name
Pin No. Name
Pin No. Name
Pin No. Name
RTS0/RTR0/
PIO20
1
2
AD0
AD8
26
27
51
52
A11
A10
76
77
INT3/INTA1/IRQ
INT2/INTA0/PWD/
PIO31
BHE/ADEN
3
4
5
6
7
8
9
AD1
AD9
AD2
AD10
AD3
AD11
AD4
28
29
30
31
32
33
34
WR
RD
53
54
55
56
57
58
59
A9
A8
A7
A6
A5
A4
A3
78
79
80
81
82
83
84
INT1/SELECT
INT0
ALE
ARDY
S2
UCS/ONCE1
LCS/ONCE0
PCS6/A2/PIO2
PCS5/A1/PIO3
VCC
S1
S0
PCS3/RTS1/
RTR1/
PIO19
10
11
AD12
AD5
35
36
GND
X1
60
61
A2
85
86
PCS2/CTS1/
ENRX1/PIO18
VCC
12
13
14
15
16
GND
AD13
AD6
37
38
39
40
41
X2
62
63
64
65
66
A1
87
88
89
90
91
GND
VCC
A0
PCS1/PIO17
PCS0/PIO16
VCC
CLKOUTA
CLKOUTB
GND
GND
WHB
WLB
VCC
AD14
MCS2/PIO24
MCS3/RFSH/
PIO25
17
18
19
AD7
42
43
44
A19/PIO9
A18/PIO8
VCC
67
68
69
HLDA
92
93
94
AD15
HOLD
GND
RES
S6/LOCK/CLKDIV2/
PIO29
SRDY/PIO6
20
21
22
23
24
25
UZI/PIO26
45
46
47
48
49
50
A17/PIO7
A16
70
71
72
73
74
75
NMI
95
96
TMRIN1/PIO0
TXD1/PIO27
RXD1/PIO28
CTS0/ENRX0/PIO21
RXD0/PIO23
TXD0/PIO22
DT/R/PIO4
DEN/DS/PIO5
MCS0/PIO14
MCS1/PIO15
INT4/PIO30
TMROUT1/PIO1
TMROUT0/PIO10
TMRIN0/PIO11
A15
97
A14
98
A13
99
DRQ1/INT6/PIO13
DRQ0/INT5/PIO12
A12
100
14
Am186/188ES and Am186/188ESLV Microcontrollers