CD00161566 Datasheet, PDF(32/105 Page) STMicroelectronics – nullMedium-density performance line ARM-based 32-bit MCU

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CD00161566 Datasheet, PDF (32/105 Pages) STMicroelectronics – nullMedium-density performance line ARM-based 32-bit MCU

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Pinouts and pin description

STM32F103x8, STM32F103xB

Table 5. Medium-density STM32F103xx pin definitions (continued)

Pins

Alternate functions(4)

Pin name

Main

function(3)

(after reset)

Default

Remap

A9 A10 37 A7 49 76 28

A8 A9 38 A6 50 77 29

B9 B11 -

B8 C10 -

C8 B10 -

- C9 -

- B9 -

B7 C8

C7 B8 -

D7 B7 -

B6 A6 -

C6 B6 -

D6 A5 -

B7 51 78

B6 52 79

C5 53 80

C1 - 81 2

D1 - 82 3

B5 54 83 -

- - 84 -

- - 85 -

- - 86 -

- - 87 -

- - 88 -

A7 A8 39 A5 55 89 30

A6 A7 40 A4 56 90 31

C5 C5 41 C4 57 91 32

B5 B5 42 D3 58 92 33

A5 B4 43 C3 59 93 34

D5 A4 44 B4 60 94 35

PA14

PA15

PC10

PC11

PC12

PD0

PD1

PD2

PD3

PD4

PD5

PD6

PD7

PB3

PB4

PB5

PB6

PB7

BOOT0

I/O FT JTCK/SWCLK

I/O FT

JTDI

I/O FT

PC10

PC11

PC12

PD0

PD1

PD2

PD3

PD4

PD5

PD6

PD7

I/O FT JTDO

I/O FT JNTRST

I/O

PB5

I/O FT

PB6

I/O FT

PB7

BOOT0

TIM3_ETR

I2C1_SMBAl

I2C1_SCL(9)/

TIM4_CH1(9)

I2C1_SDA(9)/

TIM4_CH2(9)

PA14

TIM2_CH1_

ETR/ PA15

/SPI1_NSS

USART3_TX

USART3_RX

USART3_CK

CANRX

CANTX

USART2_CTS

USART2_RTS

USART2_TX

USART2_RX

USART2_CK

TIM2_CH2 /

PB3

TRACESWO

SPI1_SCK

TIM3_CH1/

PB4/

SPI1_MISO

TIM3_CH2 /

SPI1_MOSI

USART1_TX

USART1_RX

32/105

DocID13587 Rev 16

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