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1
2
3
VCC
C2 10uF
U1 1117-3.3
3 IN
OUT 2
1 ADJ/GND
OUT 4
3.3V
C4 C3 100nF 10uF
GND
GND
GND
A
VCC
VBUS DD+ ID
GND
1 2 D3 D+ 4 5
C5
U3
104
GND
4
5
M1 M
C6 0.1uF
VCC
U4
1 2 3 4
OA GND VCC 1B VCC 1A OB GMD
3 4
5
6
7
3.3V
8
RST ADC EN GPIO16 GPIO14 GPIO12 GPIO13 VCC
TXD RXD GPIO5 GPIO4 GPIO0 GPIO2 GPIO15 GND
22 UART2_RX
21 UART2_TX
20
19
18
17
16
15
1k
R8 R9
R10
10k 10k 3.3V
PB5 PB6/I2C_SCL PB7/I2C_SDA
18 19 20 39 TEMP_DQ 40 PWM1 41 PWM2 42 43
B
C22
22P OSC_IN
GND
Y2
8MHz
C23 22P OSC_OUT
KEY2 UART1_TX UART1_RX
SWDIO SWCLK
29 30 31 32 33 34 37 38
KEY_BOOT
GND
3.3V
C26 C27 C28 104 104 104
9 VDDA
24 36 48
VDD_1 VDD_2 VDD_3
VSSA 8
VSS_1 VSS_2 VSS_3
23 35 47
C
KEY1
3.3V STM32F103CBT6
U2
R6 3.3V
10k
RST 1 2
3.3V
R7
10k
B-
4
3.3V R12 R13 R14 1k 1k 1k
A RGB
VCC
1 12 2 BOOT0
1 12 2
B
9 10 11 12 13 14 15
CTS# DSR# RI# DCD# DTR# RTS# R232
VCC 16
GND V3
1 4 C9
C7 C8
0.1UF
10UF 0.1UF
UART1_RX UART1_TX
10 11 12 13 14 15 16 17
PA0/WKUP/AD0 PA1/AD1 PA2/UART2_TX/AD2 PA3/UART2_RX/AD3 PA4/SPI1_NSS/AD4 PA5/SPI1_SCK/AD5 PA6/SPI1_MISO/AD6 PA7/SPI1_MOSI/AD7
PB0/AD8 PB1/AD9 PB2/BOOT1 PB3/JTDO/TRACESWO PB4/JNTRST
D:\SmartSnailVstm32\SmartSnail.SchDoc Drawn By:
V1.1
Snail
6
7
8
PA14/JTCK/SWCLK
PB14/SPI2_MISO
PA15/JTDI
PB15/SPI2_MOSI
45 CIN
46 DIN
21 REST PB10
22
PB11
25
26
27
28
OSC_IN 5 OSC_OUT 6
BOOT0 44
NRST
7
OSC_IN OSC_OUT
BOOT0
NRST
PC13/ANT1_TAMP PC14/OSC32_IN
CS0 MISO GPIO9 GPIO10 MOSI SCLK
C10
D
10uF
GND
GND
ESP-12F
9 10 11 12 13 14
ESP8266
1
2
3
QQ 648194432
4
5
D
Title SmartSnail
Size
Number
Revision
A3
Date: File:
2018/3/20
Sheet of
C11
22P
2 3
TXD RXD
7 XI
UDUD+
6 5
DD+
GND
GND
Y1 8 XO
U5 12MHz
C13
22P
CH340G
USB
GND
KEY3 KEY3
3.3V
3.3V R22
U7
SWD
1 2 3 4
3.3V
SWDIO SWCLK
UART2_TX UART2_RX PA4 PA5 PA6 PA7
L9110
GND
8 7 PWM1 6 PWM2 5
GND
6
7
8
3.3V
5K
3.3V
R18 TEMP_DQ
DHT11
1 2 3 4
GND
VCC
DIGNND CIN
C14
0.1uF GND
U6
9
5
4
6
1
7
2
14
10 13
12
8
11
3
P9813
RGB
RGB-
ຫໍສະໝຸດ Baidu
R17 10k
GND
GND
G-
6
R-
5
3 G+ 2 R+ 1 B+
PC15/OSC32_OUT
2 3 4
VBAT 1
KEY3
8 7 6 5 4 3 2 1
J2
PB11 PB10 PA7 PA6 PA5 PA4
3.3V
GND
GND
KEY2 R11
smartconfig
10k
3.3V
C GND
REST
R32 10k
NRST
C1 104
KEY_RESET
1k
10k
R33
PA8/MCO
PB8
PA9/UART1_TX
PB9
PA10/UART1_RX PB10/UART3_TX/I2C_SCL
PA11/CANRX/USBDMPB11/UART3_RX/I2C_SDA
PA12/CANTX/USBDP
PB12/SPI2_NSS
PA13/JTMS/SWDIO
PB13/SPI2_SCK
2
3
VCC
C2 10uF
U1 1117-3.3
3 IN
OUT 2
1 ADJ/GND
OUT 4
3.3V
C4 C3 100nF 10uF
GND
GND
GND
A
VCC
VBUS DD+ ID
GND
1 2 D3 D+ 4 5
C5
U3
104
GND
4
5
M1 M
C6 0.1uF
VCC
U4
1 2 3 4
OA GND VCC 1B VCC 1A OB GMD
3 4
5
6
7
3.3V
8
RST ADC EN GPIO16 GPIO14 GPIO12 GPIO13 VCC
TXD RXD GPIO5 GPIO4 GPIO0 GPIO2 GPIO15 GND
22 UART2_RX
21 UART2_TX
20
19
18
17
16
15
1k
R8 R9
R10
10k 10k 3.3V
PB5 PB6/I2C_SCL PB7/I2C_SDA
18 19 20 39 TEMP_DQ 40 PWM1 41 PWM2 42 43
B
C22
22P OSC_IN
GND
Y2
8MHz
C23 22P OSC_OUT
KEY2 UART1_TX UART1_RX
SWDIO SWCLK
29 30 31 32 33 34 37 38
KEY_BOOT
GND
3.3V
C26 C27 C28 104 104 104
9 VDDA
24 36 48
VDD_1 VDD_2 VDD_3
VSSA 8
VSS_1 VSS_2 VSS_3
23 35 47
C
KEY1
3.3V STM32F103CBT6
U2
R6 3.3V
10k
RST 1 2
3.3V
R7
10k
B-
4
3.3V R12 R13 R14 1k 1k 1k
A RGB
VCC
1 12 2 BOOT0
1 12 2
B
9 10 11 12 13 14 15
CTS# DSR# RI# DCD# DTR# RTS# R232
VCC 16
GND V3
1 4 C9
C7 C8
0.1UF
10UF 0.1UF
UART1_RX UART1_TX
10 11 12 13 14 15 16 17
PA0/WKUP/AD0 PA1/AD1 PA2/UART2_TX/AD2 PA3/UART2_RX/AD3 PA4/SPI1_NSS/AD4 PA5/SPI1_SCK/AD5 PA6/SPI1_MISO/AD6 PA7/SPI1_MOSI/AD7
PB0/AD8 PB1/AD9 PB2/BOOT1 PB3/JTDO/TRACESWO PB4/JNTRST
D:\SmartSnailVstm32\SmartSnail.SchDoc Drawn By:
V1.1
Snail
6
7
8
PA14/JTCK/SWCLK
PB14/SPI2_MISO
PA15/JTDI
PB15/SPI2_MOSI
45 CIN
46 DIN
21 REST PB10
22
PB11
25
26
27
28
OSC_IN 5 OSC_OUT 6
BOOT0 44
NRST
7
OSC_IN OSC_OUT
BOOT0
NRST
PC13/ANT1_TAMP PC14/OSC32_IN
CS0 MISO GPIO9 GPIO10 MOSI SCLK
C10
D
10uF
GND
GND
ESP-12F
9 10 11 12 13 14
ESP8266
1
2
3
QQ 648194432
4
5
D
Title SmartSnail
Size
Number
Revision
A3
Date: File:
2018/3/20
Sheet of
C11
22P
2 3
TXD RXD
7 XI
UDUD+
6 5
DD+
GND
GND
Y1 8 XO
U5 12MHz
C13
22P
CH340G
USB
GND
KEY3 KEY3
3.3V
3.3V R22
U7
SWD
1 2 3 4
3.3V
SWDIO SWCLK
UART2_TX UART2_RX PA4 PA5 PA6 PA7
L9110
GND
8 7 PWM1 6 PWM2 5
GND
6
7
8
3.3V
5K
3.3V
R18 TEMP_DQ
DHT11
1 2 3 4
GND
VCC
DIGNND CIN
C14
0.1uF GND
U6
9
5
4
6
1
7
2
14
10 13
12
8
11
3
P9813
RGB
RGB-
ຫໍສະໝຸດ Baidu
R17 10k
GND
GND
G-
6
R-
5
3 G+ 2 R+ 1 B+
PC15/OSC32_OUT
2 3 4
VBAT 1
KEY3
8 7 6 5 4 3 2 1
J2
PB11 PB10 PA7 PA6 PA5 PA4
3.3V
GND
GND
KEY2 R11
smartconfig
10k
3.3V
C GND
REST
R32 10k
NRST
C1 104
KEY_RESET
1k
10k
R33
PA8/MCO
PB8
PA9/UART1_TX
PB9
PA10/UART1_RX PB10/UART3_TX/I2C_SCL
PA11/CANRX/USBDMPB11/UART3_RX/I2C_SDA
PA12/CANTX/USBDP
PB12/SPI2_NSS
PA13/JTMS/SWDIO
PB13/SPI2_SCK