GND

GND

3V3

NRST

22

21

PB11

ADC9

RX3

T3C4

PB10

19

18

PB1

PB0 ADC8 T3C3

SDA2

7

17 PA7 ADC7 MOSI1 T3C2 T1C1N

T1C2N

T1C3N

TX3SCL2 T2C3N

T2C4N

16 PA6 ADC6 MISO1 T3C1 T1BKIN

15

14

PA5 SCK1

PA4

ADC5

NSS1ADC4

Rasmus Friis Kjeldsenreblag.dk/stm32

13 PA3 ADC3 T2C4

12 PA2 ADC2 TX2 T2C3

11 PA1 ADC1 RTS2 T2C2

RX2

CK2

10 PA0 ADC0 CTS2 T2C1E WKUP

4 PC15 OSC32 OUT

3 PC14 OSC32 IN

2 PC13 TAMPER RTC

1 VBAT

LEGENDPOWER

GROUND

PHYSICAL PIN

CONTROL

PIN NAME

ANALOG

USART

TIMER & CHANNEL

25PB12NSS2 SMBAl2CK3

PC13 LED

26PB13

27PB14

28PB15

29PA8

30PA9

31PA10

32PA11

33PA12

38PA15

39PB3

40PB4

41PB5

42PB6

43PB7

45PB8

46PB9

GND

3V3

5V

PINOUT DIAGRAM

THE GENERIC

RESET BUTTON

BOARD HARDWARE

MISC

SCK2

MISO2

USB-

USB+

JTRST

SMBAl1

JTDI

JTDO

MOSI2

CK1

TX1

RX1

CTS1

RTS1

NSS1

SCK1

MISO1

MOSI1

SCL1

SDA1

SCL1

SDA1

T4C3

T4C4

T1BKIN

T1C1N

T1C2N

T1C3N

T1C1

T1C2

T1C3

T1C4

T1ETR

T2C1E

T2C2

T3C1

T2C2

T4C1

T4C2

NSS2

CTS3

RTS3

MCO

CANRX

CANTX

TRACESWO

TX1

RX1

CANRX

CANTX

373V3 34 GND

SWCLK JTCK PA14SWDIOJTMSPA13

44 BOOT0

GND

3V3

GND

3V3

20PB2BOOT1

Absolute MAX 150mAtotal source/sink for entire CPU

STM32F103

5V tolerant

Not 5V tolerant

PWM pin

Alternate function

!

!

!

! PC13,PC14,PC15:Sink max 3mA, source 0mA,max 2mhz,max 30pF

Max ±20mA per pin, ±8mA recommended

00

1 1

Boot 0

Boot 1

SPI

I2C

CAN BUS

USB

V1.0