12
PB7
Input/Output
GPIO_5
13
GND
Power
System Ground
14
PA4
Input/Output
GPIO_6
15
PA5
Input/Output
GPIO_7
16
PA6
Input/Output
GPIO_8
17
PA7
Input/Output
GPIO_9
18
GND
Power
System Ground
19
PA13
Input / Output
SWDIO (Debug Port)
20
PA14
Input
SWCLK (Debug Port)
21
VDD
Power
Positive supply
22
PA8
Input/Output
GPIO_10
23
GND
Power
System Ground
24
PA10
Input
Communication USART1 Transmit (RX)
25
PA9
Output
Communication USART1 Receive (TX)
26
PA11
Input/Output
GPIO_11
27
PA12
Input/Output
GPIO_12
28
GND
Power
Supply Ground
29
PB0
Input/Output
GPIO_13
30
PB1
Input/Output
GPIO_14
31
GND
Power
System Ground
32
NRST
Input
MCU Reset
33
N.C.
---
Not Connected
34
GND
Power
Supply Ground
35
GND
Power
Supply Ground
36
GND
Power
Supply Ground
37
RF
RF Analog
RF RX/TX pin
38
GND
Power
Supply Ground
39
GND
Power
Supply Ground
