5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
电源模块
OLED
模块接口
使用时
GND,VCC
一定要对应上;不可插反
启动模式配置
复位按键
按键
VDD
PC13
PC14
PC15
OSC_IN
OSC_OUT
NRST
GND
VDDA
PA0
PA1
PA2
VDD
GND
SWDIOPA13
PA12
USB_DP
PA11
USB_DM
PA10 TXD
PA9 RXD
PA8
PB15
PB14
PB13
PB12
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2BOOT1
PB10
PB11
GND
VDD
VDD
GND
PB9
PB8
BOOT0
PB7
PB6
PB5
PB4
PB3
PA15
PA14 SWCLK
VDD
VDD
NRST
VDD VDDA
BOOT0
+5V
VDD
PC13
PC14
PC15
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB12
PB13
PB14
PB15
PA8
PA9
PA10
PA11
PA12
PA13
PA14
PA15
PB3
PB4
OSC_OUT
OSC_IN
PB2
PB10
PB11
VDD
VDD
GND
PB5
PB6
PB7
PB8
PB9
GND
PB14
SWCLK
SWDIO
VDD
GND
VDD
PA2
PA1
PA0
PA5
PA4
PA3
PA6
PA7
PB0
CH340_D-
CH340_D+
TXD
RXD
CH340_D+
CH340_D-
BOOT1
+5V
VDD
VDD
+5V
Title
Size Document Number Rev
Date: Sheet of
<Doc>
<Title>
B
1 1Saturday, November 10, 2018
Title
Size Document Number Rev
Date: Sheet of
<Doc>
<Title>
B
1 1Saturday, November 10, 2018
Title
Size Document Number Rev
Date: Sheet of
<Doc>
<Title>
B
1 1Saturday, November 10, 2018
REST1
KEY
C3 22pF
R3
10K
C1
10uF 16V
L1 4.7uH
R4 10K
C2
0.1uF 16V
C5
0.1uF
J4
CON20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J3
CON20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
D1 LED
J5
JMP
A1
1
A2
2
U4
CH340G
GND
1
TXD
2
RXD
3
V3
4
D+
5
D-
6
XI
7
XO
8
CTS#
9
DSR#
10
RI#
11
DCD#
12
DTR#
13
DTS#
14
R232
15
VCC
16
Y1
8MHz
U1
AMS1117-3V3
GND
1
Vout
2
Vin
3
C23 0.1uF
J1
OLED/LCD
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
R5 10K
C6
0.1uF
U3
MINI_USB_B
VBUS
1
D-
2
D+
3
ID
4
GND
5
R6 10K
C20 0.1uF
C9
0.1uF
U2
STM32L151A/053C8
VDD-1
1
PC13-TAMP1-WKUP2
2
PC14-OSC32_IN
3
PC15-OSC32_OUT
4
PF0-OSC_IN
5
PF1-OSC_OUT
6
NRST
7
VSSA/VREF-
8
VDDA/VREF+
9
PA0-TAMP2-WKUP1
10
PA1
11
PA2
12
PA3
13
PA4
14
PA5
15
PA6
16
PA7
17
PB0
18
PB1
19
PB2
20
PB10
21
PB11
22
VSS-1
23
VDD-2
24
VDDIO
36
VSS
35
PA13
34
PA12
33
PA11
32
PA10
31
PA9
30
PA8
29
PB15
28
PB14
27
PB13
26
PB12
25
VDD-3
48
VSS-2
47
PB9
46
PB8
45
BOOT0
44
PB7
43
PB6
42
PB5
41
PB4
40
PB3
39
PA15
38
PA14
37
C7
0.1uF
D2
LED
J6
CON4
1
2
3
4
C21 10uF
REST2
KEY
C4 22pF
R1 1k
C8
0.1uF
R2
1k