STMicroelectronics Nucleo Development Board for STM32 Microcontrollers NUCLEO-F103RB NUCLEO-F103RB Data Sheet

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DocID025833 Rev 5

9

-

-

10

9

GND

-

10

11

-

IOREF

12

11

PA5

PA12

12

13

PA13

(3)

RESET

14

13

PA6

PA11

14

15

PA14

+3V3

16

15

PA7

PB12

16

17

PA15

+5V

18

17

PB6

-

18

19

GND

GND

20

19

PC7

GND

20

21

PB7

GND

22

21

PA9

PB2

22

23

PC13

VIN

24

23

PA8

PB1

24

25

PC14

-

26

25

PB10

PB15

26

27

PC15

PA0

28

27

PB4

PB14

28

29

PH0

PA1

30

29

PB5

PB13

30

31

PH1

PA4

32

31

PB3

AGND

32

33

VBAT

PB0

34

33

PA10

PC4

34

35

PC2

PC1 or 

PB9

(4)

36

35

PA2

-

36

37

PC3

PC0 or 

38

37

PA3

-

38

1. Default state of BOOT0 is 0. It can be set to 1 when a jumper is on pin5-7 of CN7.Two unused 

jumpers are available on CN11 and CN12 (bottom side of the board).

2. U5V is 5 V power from ST-LINK/V2-1 USB connector and it rises before +5V
3. PA13 and PA14 share with SWD signals connected to ST-LINK/V2-1, it is not recommend to 

use them as IO pins if ST-LINK part is not cut.

4. Please refer to 

 for detail