AT75C320引脚配置
表1中。
AT75C320引脚在PQFP160套餐
针
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
PQFP160
NC
NC
D10
D11
NCE3
D12
D13
SRXB
NWE0
GND
VDD3V3
D14
D15
NC
NWE1
NC
VDD2V5
GND
VDD2V5
XTALIN
XTALOUT
GND
PLL_GND
XREF240
PLL_VDD2V5
GND
VDD2V5
RXDA
TXDA
NRTSA
NCTSA
NDCDB
NDTRA
NDSRA
GND
VDD3V3
NDCDA
TXDB
RXDB
PB7
针
41
42
43
44
45
46
47
48
49
50
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
76
77
78
79
80
PQFP160
NC
PB6/NWDOVF
PB5/NRIA
PB4
PB3/NCTSA
DBW32
GND
VDD3V3
RESET
IRQ0
PB2/TIOB1
PB9
PB1/TIOA1
PB8
PB0/TCLK1
VDD2V5
GND
TST
nTRST信号
TCK
TMS
TDI
TDO
PA0/OakAIN0
PA1/OakAIN1
PA2/OakAOUT0
PA3/OakAOUT1
PA19/ACLK
PA4/OakBIN0
GND
VDD3V3
PA5/OakBIN1
PA6/OakBOUT0
PA7/OakBOUT1
PA8/TCLK0
PA9/TIOA0
PA10/TIOB0
PA11/SCKA
NC
NC
针
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
PQFP160
PA12/NPCS1
VDD2V5
GND
A0
A1
A2
A3
VDD3V3
BO208
NWR
NWAIT
NREQ
FIQ
NGNT
SCLKA
FSA
STXA
SRXA
A4
A5
A6
A7
NPCSS
SPCK
MISO
MOSI
VDD3V3
GND
VDD2V5
GND
A8
A9
A10
A11
A12
VDD3V3
GND
A13
A14
A15
针
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
PQFP160
NC
NC
A16
A17
A18
A19
A20
A21
VDD2V5
GND
VDD3V3
D0
DQM0
D1
DQM1
D2
D3
D4
RAS
CAS
CS0
CS1
DCK
WE
D5
的STxB
FSB
SCLKB
D6
D7
GND
VDD3V3
NCE0
D8
D9
NSOE
GND
GND
NC
NC
2
AT75C320
1769A–07/01
