
Pin name
PA0
PA1
PA2
PA3
PA4
PA5
PA6
Table 12. Alternate functions selected through GPIOA_AFR registers for port A
AF0
AF1
AF2
AF3
AF4
AF5
USART1_CTS(2)
-
-
USART2_CTS(1)(3)
-
USART4_TX(1)
-
USART1_RTS(2)
EVENTOUT
-
USART2_RTS(1)(3)
-
USART4_RX(1) TIM15_CH1N(1)
USART1_TX(2)
TIM15_CH1(1)(3)
-
-
-
-
USART2_TX(1)(3)
USART1_RX(2)
TIM15_CH2(1)(3)
-
-
-
-
USART2_RX(1)(3)
USART1_CK(2)
SPI1_NSS
-
USART2_CK(1)(3)
-
TIM14_CH1 USART6_TX(1)
SPI1_SCK
-
-
-
-
USART6_RX(1)
SPI1_MISO
TIM3_CH1
TIM1_BKIN
-
USART3_CTS(1) TIM16_CH1
AF6
-
-
-
-
-
-
EVENTOUT
PA7
SPI1_MOSI
TIM3_CH2
TIM1_CH1N
-
TIM14_CH1
TIM17_CH1 EVENTOUT
PA8
MCO
USART1_CK
TIM1_CH1 EVENTOUT
-
-
-
PA9
TIM15_BKIN(1)(3) USART1_TX
TIM1_CH2
-
I2C1_SCL(1)(2)
MCO(1)
-
PA10
TIM17_BKIN
USART1_RX
TIM1_CH3
-
I2C1_SDA(1)(2)
-
-
PA11
EVENTOUT
USART1_CTS
TIM1_CH4
-
-
SCL
-