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STM32F303xB STM32F303xC Pinouts and pin description
DS9118 Rev 14 45/149
Table 14. 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_DE
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
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