Datasheet

DocID026284 Rev 4 43/128
STM32F091xB STM32F091xC
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Table 16. Alternate functions selected through GPIOC_AFR registers for port C
Pin name AF0 AF1 AF2
PC0 EVENTOUT USART7_TX USART6_TX
PC1 EVENTOUT USART7_RX USART6_RX
PC2 EVENTOUT SPI2_MISO, I2S2_MCK USART8_TX
PC3 EVENTOUT SPI2_MOSI, I2S2_SD USART8_RX
PC4 EVENTOUT USART3_TX -
PC5 TSC_G3_IO1 USART3_RX -
PC6 TIM3_CH1 USART7_TX -
PC7 TIM3_CH2 USART7_RX -
PC8 TIM3_CH3 USART8_TX -
PC9 TIM3_CH4 USART8_RX -
PC10 USART4_TX USART3_TX -
PC11 USART4_RX USART3_RX -
PC12 USART4_CK USART3_CK USART5_TX
PC13 - - -
PC14 - - -
PC15 - - -
Table 17. Alternate functions selected through GPIOD_AFR registers for port D
Pin name AF0 AF1 AF2
PD0 CAN_RX SPI2_NSS, I2S2_WS -
PD1 CAN_TX SPI2_SCK, I2S2_CK -
PD2 TIM3_ETR USART3_RTS USART5_RX
PD3 USART2_CTS SPI2_MISO, I2S2_MCK -
PD4 USART2_RTS SPI2_MOSI, I2S2_SD -
PD5 USART2_TX - -
PD6 USART2_RX - -
PD7 USART2_CK - -
PD8 USART3_TX - -
PD9 USART3_RX - -
PD10 USART3_CK - -
PD11 USART3_CTS - -
PD12 USART3_RTS TSC_G8_IO1 USART8_CK_RTS
PD13 USART8_TX TSC_G8_IO2 -
PD14 USART8_RX TSC_G8_IO3 -
PD15 CRS_SYNC TSC_G8_IO4 USART7_CK_RTS
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