Datasheet

STM32F20xxx Pinouts and pin description
DS6329 Rev 16 61/184
Table 10. Alternate function mapping
Port
AF0 AF1 AF2 AF3 AF4 AF5 AF6 AF7 AF8 AF9 AF10 AF11 AF12 AF13
AF014 AF15
SYS TIM1/2 TIM3/4/5 TIM8/9/10/11 I2C1/I2C2/I2C3 SPI1/SPI2/I2S2 SPI3/I2S3 USART1/2/3
UART4/5/
USART6
CAN1/CAN2/
TIM12/13/14
OTG_FS/ OTG_HS ETH
FSMC/SDIO/
OTG_HS
DCMI
Port A
PA0-WKUP - TIM2_CH1_ETR TIM 5_CH1 TIM8_ETR - - USART2_CTS UART4_TX - - ETH_MII_CRS - - - EVENTOUT
PA1 - TIM2_CH2 TIM5_CH2 - - - USART2_RTS UART4_RX - -
ETH_MII
_RX_CLK
ETH_RMII
_REF_CLK
---EVENTOUT
PA2 - TIM2_CH3 TIM5_CH3 TIM9_CH1 - - USART2_TX - - - ETH_MDIO - - - EVENTOUT PA3 - TIM2_CH4 TIM5_CH4 TIM9_CH2 - - USART2_RX - - OTG_HS_ULPI_D0 ETH _MII_COL - - - EVENTOUT PA4 - - - - - SPI1_NSS
SPI3_NSS
I2S3_WS
USART2_CK - - - OTG_HS_SOF DCMI_HSYNC - EVENTOUT
PA5 - TIM2_CH1_ETR - TIM8_CH1N - SPI1_SCK - - - -
OTG_HS_ULPI_C
K
- - - - EVENTOUT
PA6 - TIM1_BKIN TIM3_CH1 TIM8_BKIN - SPI1_MISO - - - TIM13_CH1 - - - DCMI_PIXCK - EVENTOUT PA7 - TIM1_CH1N TIM3_CH2 TIM8_CH1N - SPI1_MOSI - - - TIM14_CH1 -
ETH_MII _RX_DV
ETH_RMII
_CRS_DV
---EVENTOUT
PA8 MCO1 TIM1_CH1 - - I2C3_SCL - - USART1_CK - - OTG_FS_SOF - - - - EVENTOUT PA9 - TIM1_CH2 - - I2C3_SMBA - - USART1_TX - - - - DCMI_D0 - EVENTOUT
PA10 - TIM1_CH3 - - - - - USART1_RX - - OTG_FS_ID - - DCMI_D1 - EVENTOUT
PA11 - TIM1_CH4 - - - - - USART1_CTS - CAN1_RX OTG_FS_DM - - - - EVENTOUT
PA12 - TIM1_ETR - - - - - USART1_RTS - CAN1_TX OTG_FS_DP - - - - EVENTOUT PA13
JTMS-
SWDIO
- - - - - - - - - - - - - - EVENTOUT
PA14
JTCK-
SWCLK
- - - - - - - - - - - - - - EVENTOUT
PA15 JTDI
TIM 2_CH1 TIM 2_ETR
- - - SPI1_NSS
SPI3_NSS
I2S3_WS
- - - - - - - - EVENTOUT
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