Datasheet

Pinouts and pin description STM32F303xB STM32F303xC 42/133 DocID023353 Rev 7
Table 12. Alternate functions for port A
Port
&
Pin
Name
AF0 AF1 AF2 AF3 AF4 AF5 AF6 AF7 AF8 AF9 AF10 AF11 AF12 AF14 AF15
PA0
TIM2_
CH1_
ETR
TSC_
G1_IO1
USART2
_CTS
COMP1
_OUT
TIM8_
BKIN
TIM8_
ETR
EVENT
OUT
PA1
RTC_
REFIN
TIM2_
CH2
TSC_
G1_IO2
USART2
_RTS
TIM15_
CH1N
EVENT
OUT
PA2
TIM2_
CH3
TSC_
G1_IO3
USART2
_TX
COMP2
_OUT
TIM15_
CH1
EVENT
OUT
PA3
TIM2_
CH4
TSC_
G1_IO4
USART2
_RX
TIM15_
CH2
EVENT
OUT
PA4
TIM3_
CH2
TSC_
G2_IO1
SPI1_
NSS
SPI3_NSS,
I2S3_WS
USART2
_CK
EVENT
OUT
PA5
TIM2_
CH1_
ETR
TSC_
G2_IO2
SPI1_
SCK
EVENT
OUT
PA6
TIM16_
CH1
TIM3_
CH1
TSC_
G2_IO3
TIM8_
BKIN
SPI1_
MISO
TIM1_BKIN
COMP1
_OUT
EVENT
OUT
PA7
TIM17_
CH1
TIM3_
CH2
TSC_
G2_IO4
TIM8_
CH1N
SPI1_
MOSI
TIM1_CH1N
COMP2
_OUT
EVENT
OUT
PA8 MCO
I2C2_
SMBA
I2S2_
MCK
TIM1_CH1
USART1
_CK
COMP3
_OUT
TIM4_
ETR
EVENT
OUT
PA9
TSC_
G4_IO1
I2C2_
SCL
I2S3_
MCK
TIM1_CH2
USART1
_TX
COMP5
_OUT
TIM15_
BKIN
TIM2_
CH3
EVENT
OUT
PA10
TIM17_
BKIN
TSC_
G4_IO2
I2C2_
SDA
TIM1_CH3
USART1
_RX
COMP6
_OUT
TIM2_
CH4
TIM8_
BKIN
EVENT
OUT
PA11 TIM1_CH1N
USART1
_CTS
COMP1
_OUT
CAN_RX
TIM4_
CH1
TIM1_CH4
TIM1_
BKIN2
USB_
DM
EVENT
OUT