CIRCUIT DESCRIPTION
No.
Pin name
Type
No.
Pin name
Type
No.
Pin name
Type
No.
Pin name
Type
1
GND
P
33
GND
P
65
GND
P
97
GND
P
2
D6
I/O/T
34
NC
66
A11
O/T
98
SCKB
I/O
3
D7
I/O/T
35
NC
67
VCC
P
99
SCKA
I/O
4
D8
I/O/T
36
NC
68
A12
O/T
100
SCKIN
I/O
5
D9
I/O/T
37
VCC
P
69
A13
I/O
101
SDA
I
6
VCC
P
38
NC
70
A14
I/O
102
GN14
I
7
D10
I/O/T
39
NC
71
A15
I/O
103
VCC
P
8
NC
40
GND
P
72
NC
104 GP15/MUTE
I
9
GND
P
41
GND
P
73
VCC
P
105
SO
O
10
D11
I/O/T
42
TCK
I
74
NC
106
GND
P
11
VCC
P
43
VCC
P
75
GND
P
107
SDD
O
12
D12
I/O/T
44
TMS
I
76
GND
P
108
VCC
P
13
D13
I/O/T
45
GND
P
77
ROM
O/T
109
SDC
O
14
D14
I/O/T
46
GND
P
78
VCC
P
110
SDB
O
15
D15
I/O/T
47
TDI
I
79
NC
111
WSB/FSB
I/O
16
D16
I/O/T
48
VCC
P
80
INT_
I
112
SI
I
17
D17
I/O/T
49
SCK
I
81
GND
P
113
VCC
P
18
VCC
P
50
A0
O/T
82
XTO
O
114
VCC
P
19
D18
I/O
51
A1
O/T
83
XTI
I
115
SS_
I
20
GND
P
52
A2
O/T
84
GNDA
P
116
GND
P
53
A3
O/T
85
VCCA
P
117
GND
P
54
GND
P
86
VCC
P
118
GP1O0
I/O
55
A4
O/T
87
WR_
O
119
VCC
P
56
VCC
P
88
GND
P
120
GPIO1
I/O
57
A5
O/T
89
GND
P
121
D0
I/O/T
58
A6
O/T
90
RD_
O
122
D1
I/O/T
59
A7
O/T
91
VCC
P
123
D2
I/O/T
60
A8
O/T
92
NC
124
D3
I/O/T
61
A9
O/T
93
RESET_
I
125
D4
I/O/T
30
NC
62
VCC
P
94
TDO
O/T
126
VCC
P
31
NC
63
A10
O/T
95
WSA/FSA
I/O
D5
D5
I/O/T
32
GND
P
64
GND
P
96
GND
P
128
GND
P
3-2. Pin function description
CAUTION 1) Connect the unused input pin (TYPE=I) to VCC if low when active. Connect it to GND of high when active.
CAUTION 2) Do not connect the unused output pin (TYPE=O), tristate pin (TYPE=T), and NC pin.
CAUTION 3) All data pins are internally pulled up to VCC by a minute current.
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