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Pinouts and pin descriptions STM32F103xF, STM32F103xG

30/136 DocID16554 Rev 4

H3 10 17 28 PC2 I/O PC2 ADC123_IN12 -

H4 11 18 29 PC3 I/O PC3 ADC123_IN13 -

J1 12 19 30 V

SSA

K1 - 20 31 V

REF-

L1 - 21 32 V

REF+

M1 13 22 33 V

DDA

J2 14 23 34 PA0-WKUP I/O PA0

WKUP/USART2_CTS

(8)

ADC123_IN0 / TIM2_CH1_ETR /

TIM5_CH1 / TIM8_ETR

K2 15 24 35 PA1 I/O PA1

USART2_RTS

(7)

/ ADC123_IN1 /

TIM5_CH2 / TIM2_CH2

(7)

L2 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 V

SS_4

F4 19 28 39 V

DD_4

J3 20 29 40 PA4 I/O PA4

SPI1_NSS

(7)

/ USART2_CK

(7)

DAC_OUT1 / ADC12_IN4

K3 21 30 41 PA5 I/O PA5

SPI1_SCK

(7)

/ DAC_OUT2 /

ADC12_IN5

L3 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

J4 24 33 44 PC4 I/O PC4 ADC12_IN14 -

K4 25 34 45 PC5 I/O PC5 ADC12_IN15 -

L4 26 35 46 PB0 I/O PB0

ADC12_IN8 / TIM3_CH3 /

TIM8_CH2N

TIM1_CH2N

Table 5. STM32F103xF and STM32F103xG pin definitions (continued)

Pins

Pin name

Type

(1)

I / O level

(2)

Main

function

(3)

(after reset)

Alternate functions

(4)

LFBGA144

LQFP64

LQFP100

LQFP144

Default Remap

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