Page 23
30 29 28 27
34 33
58
57
56
55
54
53
52
46
36 35
42
43
44
45
37
50
9
48
49
11
12
32
72
69
68
67
66
65
64
63
4
3
78
77
24
23
18
17
16
15
14
13
5
6
7
8
10
79 80
1
2
22
21
20
19
62
61
60
59
38
39
40
41
47
71
31
51
70
26
25
76
75
74
73
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 10
0
PE
11
PE
10
PE6
VBAT
PC13/TAMPER_RTC
PC14/OSC32_IN
PA10
PA9
PA8
PD9
PE
13
PE
12
PB13
PB14
PB15
PD8
PE
14
PE
15
PB
5
PB
4
PB
3
PB
7
PD
7
PD
6
PE5
PE4
PE
1
PE
0
PB
9
PB
8
BO
O
T0
PB
6
OSC_IN
PA0-WKUP
VDDA
VREF+
GNDA
VDD
PC3
PA12
PA11
PB12
PC8
NRST
VDD
GND
PE
7
PD
R
_O
N
(R
FU
)
VD
D
PE2
PE3
PA2
PA1
VC
AP
VD
D
PC9
PD13
PB
10
PB
11
PD10
PE
8
PB
2
PD11
PD14
PD
5
PC2
PC1
PC0
PB
1
PE
9
PD12
PC7
OSC_OUT
PC15/OSC32_OUT
PD15
PC6
PA13
PC
10
PA
14
VCAP
GND
VDD
PA
15
PC
11
PC
12
PD
0
PA
6
PA
5
PC
4
PA
7
PC
5
PB
0
G
N
D
VD
D
PA
3
PA
4
PD
1
PD
2
PD
3
PD
4
U1
VCC-3.3V
AVCC
OSC32_OUT
X1
C5
22pF
C6
22pF
OSC_IN
OSC_OUT
X2
32.768KHz
C34
10pF
C33
10pF
OSC32_IN
LDO3V3
J1
VCC-3.3V
R7
100K
C4 2.2uF
C7
2.2uF
R33 100K
3V3
25MHz
C9
100nF
C10
100nF
VCC-3.3V
VCC-3.3V
C11
100nF
VCC-3.3V
C12
100nF
3V3
C35
100nF
VCC-3.3V
C36
100nF
VCC-3.3V
C37
100nF
VCC-3.3V
C38
100nF
VCC-3.3V
VCC-3.3V
C39
10uF
VCC-3.3V
C40
10uF
100pin TQFP
STM32F407VGT6
The use of crystal in all other schematics is implied even if
it is purposely left out, because of the schematics clarity.
Figure 6-3:
Crystal
oscillator
schematic
NOTE