Table 9. Alternate Functions Selected Through Gpioa_Afr Registers For Port A - STMicroelectronics STM32F050G6 Manual

Low- and medium-density advanced arm-based 32-bit mcu with up to 32 kbytes flash, timers, adc and comm. interfaces
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Table 9.
Alternate functions selected through GPIOA_AFR registers for port A
Pin name
AF0
PA0
PA1
EVENTOUT
PA2
PA3
SPI1_NSS/
PA4
I2S1_WS
SPI1_SCK/
PA5
I2S1_CK
SPI1_MISO/
PA6
I2S1_MCK
SPI1_MOSI/
PA7
I2S1_SD
PA8
MCO
USART1_CK
PA9
USART1_TX
PA10
TIM17_BKIN
USART1_RX
PA11
EVENTOUT
USART1_CTS
PA12
EVENTOUT
USART1_RTS
PA13
SWDAT
PA14
SWCLK
SPI1_NSS/
PA15
I2S1_WS
AF1
AF2
TIM2_CH1_
ETR
TIM2_CH2
TIM2_CH3
TIM2_CH4
TIM2_CH1_
CEC
ETR
TIM3_CH1
TIM1_BKIN
TIM3_CH2
TIM1_CH1N
TIM1_CH1
TIM1_CH2
TIM1_CH3
TIM1_CH4
TIM1_ETR
IR_OUT
TIM2_CH1_
ETR
AF3
AF4
TIM14_CH1
TIM14_CH1
EVENTOUT
EVENTOUT
AF5
AF6
TIM16_CH1
EVENTOUT
TIM17_CH1
EVENTOUT
AF7

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