STM32F103RG datasheet(30/120 Pages) STMICROELECTRONICS

30 / 120 page

Pinouts and pin descriptions

STM32F103xF, STM32F103xG

30/120

Doc ID 16554 Rev 3

21 32

VREF+

SVREF+

M1 13 22 33

VDDA

SVDDA

14 23 34

PA0-WKUP

I/O

PA0

WKUP/USART2_CTS(8) /

ADC123_IN0 / TIM2_CH1_ETR /

TIM5_CH1 / TIM8_ETR

15 24 35

PA1

I/O

PA1

USART2_RTS(7) / ADC123_IN1 /

TIM5_CH2 / TIM2_CH2(7)

16 25 36

PA2

I/O

PA2

USART2_TX(7) / TIM5_CH3 /

ADC123_IN2 / TIM9_CH1 /

TIM2_CH3 (7)

M2 17 26 37

PA3

I/O

PA3

USART2_RX(7) / TIM5_CH4 /

ADC123_IN3 / TIM2_CH4(7)/

TIM9_CH2

G4 18 27 38

VSS_4

SVSS_4

19 28 39

VDD_4

SVDD_4

20 29 40

PA4

I/O

PA4

SPI1_NSS(7) / USART2_CK(7) /

DAC_OUT1 / ADC12_IN4

21 30 41

PA5

I/O

PA5

SPI1_SCK(7) / DAC_OUT2 /

ADC12_IN5

22 31 42

PA6

I/O

PA6

SPI1_MISO(7) / TIM8_BKIN /

ADC12_IN6 / TIM3_CH1(7)/

TIM13_CH1

TIM1_BKIN

M3 23 32 43

PA7

I/O

PA7

SPI1_MOSI(7)/ TIM8_CH1N /

ADC12_IN7 / TIM3_CH2(7) /

TIM14_CH1

TIM1_CH1N

24 33 44

PC4

I/O

PC4

ADC12_IN14

25 34 45

PC5

I/O

PC5

ADC12_IN15

26 35 46

PB0

I/O

PB0

ADC12_IN8 / TIM3_CH3 /

TIM8_CH2N

TIM1_CH2N

M4 27 36 47

PB1

I/O

PB1

ADC12_IN9 / TIM3_CH4(7) /

TIM8_CH3N

TIM1_CH3N

28 37 48

PB2

I/O FT PB2/BOOT1

PF11

I/O FT

PF11

FSMC_NIOS16

PF12

I/O FT

PF12

FSMC_A6

VSS_6

SVSS_6

VDD_6

SVDD_6

PF13

I/O FT

PF13

FSMC_A7

Table 5.

STM32F103xF and STM32F103xG pin definitions (continued)

Pins

Pin name

Main

function(3)

(after reset)

Alternate functions(4)

Default

Remap

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