Datasheet

STM32F051x4 STM32F051x6 STM32F051x8
38/121 DocID022265 Rev 6
Table 15. Alternate functions selected through GPIOB_AFR registers for port B
Pin name AF0 AF1 AF2 AF3
PB0 EVENTOUT TIM3_CH3 TIM1_CH2N TSC_G3_IO2 PB1 TIM14_CH1 TIM3_CH4 TIM1_CH3N TSC_G3_IO3 PB2 TSC_G3_IO4 PB3 SPI1_SCK, I2S1_CK EVENTOUT TIM2_CH2 TSC_G5_IO1
PB4 SPI1_MISO, I2S1_MCK TIM3_CH1 EVENTOUT TSC_G5_IO2 PB5 SPI1_MOSI, I2S1_SD TIM3_CH2 TIM16_BKIN I2C1_SMBA
PB6 USART1_TX I2C1_SCL TIM16_CH1N TSC_G5_IO3
PB7 USART1_RX I2C1_SDA TIM17_CH1N TSC_G5_IO4 PB8 CEC I2C1_SCL TIM16_CH1 TSC_SYNC
PB9 IR_OUT I2C1_SDA TIM17_CH1 EVENTOUT
PB10 CEC I2C2_SCL TIM2_CH3 TSC_SYNC
PB11 EVENTOUT I2C2_SDA TIM2_CH4 TSC_G6_IO1
PB12 SPI2_NSS EVENTOUT TIM1_BKIN TSC_G6_IO2 PB13 SPI2_SCK TIM1_CH1N TSC_G6_IO3 PB14 SPI2_MISO TIM15_CH1 TIM1_CH2N TSC_G6_IO4
PB15 SPI2_MOSI TIM15_CH2 TIM1_CH3N TIM15_CH1N
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