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