Information
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STM32F20xxx Pinouts and pin description
177
Figure 13. STM32F20x LQFP144 pinout
1. RFU means “reserved for future use”. This pin can be tied to V
DD
,V
SS
or left unconnected.
2. The above figure shows the package top view.
RFU
V
DD
PE1
PE0
PB9
PB8
BOOT0
PB7
PB6
PB5
PB4
PB3
PG15
V
DD
V
SS
PG14
PG13
PG12
PG11
PG10
PG9
PD7
PD6
V
DD
V
SS
PD5
PD4
PD3
PD2
PD1
PD0
PC12
PC11
PC10
PA 15
PA 14
PE2
V
DD
PE3
V
SS
PE4
PE5
PA 13
PE6
PA 12
VBAT
PA 11
PC13-RTC_AF1
PA 10
PC14-OSC32_IN
PA 9
PC15-OSC32_OUT
PA 8
PF0
PC9
PF1
PC8
PF2
PC7
PF3
PC6
PF4
V
DD
PF5
V
SS
V
SS
PG8
V
DD
PG7
PF6
PG6
PF7
PG5
PF8
PG4
PF9
PG3
PF10
PG2
PH0-OSC_IN
PD15
PH1-OSC_OUT
PD14
NRST
V
DD
PC0
V
SS
PC1
PD13
PC2
PD12
PC3
PD11
V
SSA
PD10
V
DD
PD9
V
REF+
PD8
V
DDA
PB15
PA 0-W KUP
PB14
PA 1
PB13
PA 2
PB12
PA 3
V
SS
V
DD
PA 4
PA 5
PA 6
PA 7
PC4
PC5
PB0
PB1
PB2
PF11
PF12
VSS
V
DD
PF13
PF14
PF15
PG0
PG1
PE7
PE8
PE9
V
SS
V
DD
PE10
PE11
PE12
PE13
PE14
PE15
PB10
PB11
V
CAP_1
V
DD
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124
123
122
121
109
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
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
72
LQFP144
120
119
118
117
116
115
114
113
112
111
110
61
62
63
64
65
66
67
68
69
70
71
26
27
28
29
30
31
32
33
34
35
36
83
82
81
80
79
78
77
76
75
74
73
ai15971e
V
CAP_2