Page 22
Page 23
decoupling
capacitors
58
57
56
55
54
53
52
72
69
68
67
66
65
64
63
8
7
9
0
62
61
60
59
71
51
70
6
75
74
73
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
R8
10K
VCC-3.3
C3
100nF
T1
R7 100
T2
VCC-3.3
C5
100nF
C6
100nF
C7
100nF
C8
100nF
E8
10uF
VCC-3.3 VCC-3.3 VCC-3.3 VCC-3.3
VCC-3.3
C31
100nF
VCC-3.3
C2 22pF
C1 22pF
X1
32.768KHz
AVCC
30
29
28
27
34
33
46
36
35
42
43
44
45
37
50
9
48
49
11
12
32
4
3
7
7
24
23
18
17
16
15
14
13
5
6
7
8
10
7
8
1
2
22
21
20
19
38
39
40
41
47
31
26
25
7
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
10
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
A
P
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
OSC32_IN
OSC32_OUT
VREF-1.8
R65
100K
C41
2.2uF
C42
2.2uF
R66 100K
RST
VCC-3.3
J3
J2
RX
TX
SDA
SCL
PWM
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
HDR2
M1X26
VCC-3.3
STM32F207VGT6
STM32F407VGT6
Figure 4-3: Reset circuit schematics