1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2019/4/13 Sheet of
File: D:\ad_09prj\ \st_off.SchDoc Drawn By:
BOOT0
44
NRST
7
PA0-WKUP
10
PA1
11
PA10
31
PA11
32
PA12
33
PA13
34
PA14
37
PA15
38
PA2
12
PA3
13
PA4
14
PA5
15
PA6
16
PA7
17
PA8
29
PA9
30
PB0
18
PB1
19
PB10
21
PB11
22
PB12
25
PB13
26
PB14
27
PB15
28
PB2
20
PB3
39
PB4
40
PB5
41
PB6
42
PB7
43
PB8
45
PB9
46
PC13-TAMPER-RTC
2
PC14-OSC32_IN
3
PC15-OSC32_OUT
4
PD0-OSC_IN
5
PD1-OSC_OUT
6
U1A
STM32F103C8T6
UART1_RX
UART1_TX
NRST
USB_DM
USB_DP
CS
1
SO
2
WP
3
GND
4
SI
5
SCK
6
HOLD
7
VCC
8
U3
M25PxFlash
GND
10K
R2
Res3
D1
LED2
LED0
22P
C21
22P
C22
GND
VBAT
1
VDD_1
24
VDD_2
36
VDD_3
48
VDDA
9
VSS_1
23
VSS_2
35
VSS_3
47
VSSA
8
U1B
STM32F103C8T6
100pF
C3
GND
100pF
C2
100pF
C1
100pF
C4
SPI1_CS
SPI1_SCK
SPI1_SO
SPI1_SI
SPI1_SI
SPI1_SCK
SPI1_CS
GND
SPI1_SO
100pF
C7
100pF
C6
GND
GND
6
VCC
1
D-/DM
2
D+/DP
3
GND
4
GND
5
Usb
USB_D
GND
GND
22R
R5
22R R6
1.5K
R8
Res3
3.3V
VCC5. 0(USB)
1
2
3
4
P1(SWD_host)
Header 4
3. 3V
GND
SWCLK
SWDIO
SWCLK
SWDIO
1
2
3
4
P2(SWD_Target)
Header 4
3. 3V
GND
ST_SCLK
ST_SDIO
GND
0. 1uf
C10
GND
1
2
P3
Header 2
VCC_
10K
R10
Res3
3. 3V
0. 1uf
C8
GND
PB10
PB11
SPI2_CS
SPI2_SI
10K
R11
Res3
GND
PA0
PA1
UART2_TX
UART2_RX
PA8_KEY 22R
R12
22R
R13
10K
R14
GND
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
G N D
15
V CC
16
U2 SP3223
100pF
C12
0. 1uf
C13
GND
UART1_TX PC_RXD
UART1_RX PC_TXD
GND
1
2
3
4
UART(P3)
Header 4
3. 3V
GND
0. 1uf
C14
0. 1uf
C15
GND
GND
10UF
C9
VCC5. 0(USB)
2
3
1
S2
SW-SPDT
SPI2_SCK
SPI2_SO
1 2
3 4
5 6
7 8
P4
MHDR2X4
SPI2_CS
SPI2_SCK
SPI2_SO
SPI2_SI
PB10
PB11
PA1
PA0
47UF
C11
-
4
~
2
+
1
~
3
DB3
DB-DF06S
12
3 4
L8
C66 C69C70C80
GND
3.3V
3.3V
3.3V
3.3V
3.3V
DCD
1
RXD
2
TXD
3
DTR
4
SG
5
DSR
6
RTS
7
CTS
8
RI
9
EARTH
10
EARTH
11
J1
GND
1
1
1
1
GND GND
P1
1
P2
2
Y1
3.3V
GND
3.3V
0.1uf
C16
1
1
2
2
LE D1006
3
1
2
Q1001
3904
R9
1K
C5
104
GND
3.3V
12
34
S1
SW-PB-KAN0611
GN D
1
VOUT
2
VIN
3
VO
0
U21
1117
