Datasheet
Pinout and pin descriptions STM32F303x6/x8
40/121 DocID025083 Rev 7
Table 15. Alternate functions
Port
AF0 AF1 AF2 AF3 AF4 AF5 AF6 AF7 AF8 AF9 AF10 AF11 AF12 AF13 AF14 AF15
SYS_AF
TIM2/TIM15/
TIM16/TIM17/
EVENT
TIM1/TIM3/
TIM15/
TIM16
TSC I2C1/TIM1
SPI1/
Infrared
TIM1/
Infrared
USART1/USA
RT2/USART3/
GPCOMP6
GPCOMP2/
GPCOMP4/
GPCOMP6
CAN/TIM1/
TIM15
TIM2/TIM3/TI
M17
TIM1
TIM1 OPAMP2
-EVENT
Port A
PA0 -
TIM2_CH1/TI
M2_ETR
- TSC_G1_IO1 - - - USART2_CTS - - - - - - - EVENTOUT
PA1 - TIM2_CH2 - TSC_G1_IO2 - - -
USART2_RTS
_DE
- TIM15_CH1N - - - - - EVENTOUT
PA2 - TIM2_CH3 - TSC_G1_IO3 - - - USART2_TX COMP2_OUT TIM15_CH1 - - - - - EVENTOUT
PA3 - TIM2_CH4 - TSC_G1_IO4 - - - USART2_RX - TIM15_CH2 - - - - - EVENTOUT
PA4 - - TIM3_CH2 TSC_G2_IO1 - SPI1_NSS - USART2_CK - - - - - - - EVENTOUT
PA5 -
TIM2_CH1/TI
M2_ETR
- TSC_G2_IO2 - SPI1_SCK - - - - - - - - - EVENTOUT
PA6 - TIM16_CH1 TIM3_CH1 TSC_G2_IO3 - SPI1_MISO TIM1_BKIN - - - - - - - - EVENTOUT
PA7 - TIM17_CH1 TIM3_CH2 TSC_G2_IO4 - SPI1_MOSI TIM1_CH1N - - - - - - - - EVENTOUT
PA8 MCO - - - - - TIM1_CH1 USART1_CK - - - - - - - EVENTOUT
PA9 - - - TSC_G4_IO1 - - TIM1_CH2 USART1_TX - TIM15_BKIN TIM2_CH3 - - - - EVENTOUT
PA10 - TIM17_BKIN - TSC_G4_IO2 - - TIM1_CH3 USART1_RX COMP6_OUT - TIM2_CH4 - - - - EVENTOUT
PA11 - - - - - - TIM1_CH1N USART1_CTS - CAN_RX - TIM1_CH4 TIM1_BKIN2 - - EVENTOUT
PA12 - TIM16_CH1 - - - - TIM1_CH2N
USART1_RTS
_DE
COMP2_OUT CAN_TX - TIM1_ETR - - - EVENTOUT
PA13 JTMS/SWDAT TIM16_CH1N - TSC_G4_IO3 - IR_OUT - USART3_CTS - - - - - - - EVENTOUT
PA14 JTCK/SWCLK - - TSC_G4_IO4 I2C1_SDA - TIM1_BKIN USART2_TX - - - - - - - EVENTOUT
PA15 J TDI
TIM2_CH1/
TIM2_ETR
- TSC_SYNC I2C1_SCL SPI1_NSS - USART2_RX - TIM1_BKIN - - - - - EVENTOUT
Port B
PB0 - - TIM3_CH3 TSC_G3_IO2 - - TIM1_CH2N - - - - - - - - EVENTOUT
PB1 - - TIM3_CH4 TSC_G3_IO3 - - TIM1_CH3N - COMP4_OUT - - - - - - EVENTOUT
PB2 - - - TSC_G3_IO4 - - - - - - - - - - - EVENTOUT
PB3
JTDO/TRACE
SWO
TIM2_CH2 - TSC_G5_IO1 - SPI1_SCK - USART2_TX - - TIM3_ETR - - - - EVENTOUT
PB4 NJTRST TIM16_CH1 TIM3_CH1 TSC_G5_IO2 - SPI1_MISO - USART2_RX - - TIM17_BKIN - - - - EVENTOUT
PB5 - TIM16_BKIN TIM3_CH2 - I2C1_SMBA SPI1_MOSI - USART2_CK - - TIM17_CH1 - - - - EVENTOUT
PB6 - TIM16_CH1N - TSC_G5_IO3 I2C1_SCL - - USART1_TX - - - - - - - EVENTOUT
PB7 - TIM17_CH1N - TSC_G5_IO4 I2C1_SDA - - USART1_RX - - TIM3_CH4 - - - - EVENTOUT
PB8 - TIM16_CH1 - TSC_SYNC I2C1_SCL - - USART3_RX - CAN_RX - - TIM1_BKIN - - EVENTOUT
PB9 - TIM17_CH1 - - I2C1_SDA - IR_OUT USART3_TX COMP2_OUT CAN_TX - - - - - EVENTOUT
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