CD00161566 Datasheet, PDF(29/105 Page) STMicroelectronics – nullMedium-density performance line ARM-based 32-bit MCU

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CD00161566 Datasheet, PDF (29/105 Pages) STMicroelectronics – nullMedium-density performance line ARM-based 32-bit MCU

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STM32F103x8, STM32F103xB

Pinouts and pin description

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

Pins

Alternate functions(4)

Pin name

Main

function(3)

(after reset)

Default

Remap

G2 L2 10 G2 14 23 7

PA0-WKUP I/O

H2 M2 11 H2 15 24 8

PA1

I/O

J2 K3 12 F3 16 25 9

PA2

I/O

K2 L3 13 G3 17 26 10

PA3

I/O

E4 E3 - C2 18 27 -

VSS_4

F4 H3 - D2 19 28 -

VDD_4

G3 M3 14 H3 20 29 11

PA4

I/O

H3 K4 15 F4 21 30 12

PA5

I/O

J3 L4 16 G4 22 31 13

PA6

I/O

K3 M4 17 H4 23 32 14

PA7

I/O

G4 K5 - H5 24 33

H4 L5 - H6 25 34

PC4

I/O

PC5

I/O

J4 M5 18 F5 26 35 15

PB0

I/O

K4 M6 19 G5 27 36 16

PB1

I/O

PA0

PA1

PA2

PA3

VSS_4

VDD_4

PA4

PA5

PA6

PA7

PC4

PC5

PB0

PB1

WKUP/

USART2_CTS(9)/

ADC12_IN0/

TIM2_CH1_

ETR(9)

USART2_RTS(9)/

ADC12_IN1/

TIM2_CH2(9)

USART2_TX(9)/

ADC12_IN2/

TIM2_CH3(9)

USART2_RX(9)/

ADC12_IN3/

TIM2_CH4(9)

SPI1_NSS(9)/

USART2_CK(9)/

ADC12_IN4

SPI1_SCK(9)/

ADC12_IN5

SPI1_MISO(9)/

ADC12_IN6/

TIM3_CH1(9)

SPI1_MOSI(9)/

ADC12_IN7/

TIM3_CH2(9)

ADC12_IN14

ADC12_IN15

ADC12_IN8/

TIM3_CH3(9)

ADC12_IN9/

TIM3_CH4(9)

TIM1_BKIN

TIM1_CH1N

TIM1_CH2N

TIM1_CH3N

DocID13587 Rev 16

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