Datasheet
Pinouts and pin description STM32F20xxx
62/184 DS6329 Rev 16
Port B
PB0 - TIM1_CH2N TIM3_CH3 TIM8_CH2N - - - - - - OTG_HS_ULPI_D1 ETH _MII_RXD2 - - - EVENTOUT
PB1 - TIM1_CH3N TIM3_CH4 TIM8_CH3N - - - - - - OTG_HS_ULPI_D2 ETH _MII_RXD3 - - - EVENTOUT
PB2 - - - - - - - - - - - - - - - EVENTOUT
PB3
JTDO/
TRACESWO
TIM2_CH2 - - - SPI1_SCK
SPI3_SCK
I2S3_SCK
- - - - - - - - EVENTOUT
PB4 JTRST - TIM3_CH1 - - SPI1_MISO SPI3_MISO - - - - - - - - EVENTOUT
PB5 - - TIM3_CH2 - I2C1_SMBA SPI1_MOSI
SPI3_MOSI
I2S3_SD
- - CAN2_RX OTG_HS_ULPI_D7 ETH _PPS_OUT - DCMI_D10 - EVENTOUT
PB6 - - TIM4_CH1 - I2C1_SCL - - USART1_TX - CAN2_TX - - - DCMI_D5 - EVENTOUT
PB7 - - TIM4_CH2 - I2C1_SDA - - USART1_RX - - - - FSMC_NL DCMI_VSYNC - EVENTOUT
PB8 - - TIM4_CH3 TIM10_CH1 I2C1_SCL - - - - CAN1_RX - ETH _MII_TXD3 SDIO_D4 DCMI_D6 - EVENTOUT
PB9 - - TIM4_CH4 TIM11_CH1 I2C1_SDA
SPI2_NSS
I2S2_WS
- - - CAN1_TX - - SDIO_D5 DCMI_D7 - EVENTOUT
PB10 - TIM2_CH3 - - I2C2_SCL
SPI2_SCK
I2S2_SCK
- USART3_TX - - OTG_HS_ULPI_D3 ETH_ MII_RX_ER - - - EVENTOUT
PB11 - TIM2_CH4 - - I2C2_SDA - - USART3_RX - - OTG_HS_ULPI_D4
ETH _MII_TX_EN
ETH
_RMII_TX_EN
---EVENTOUT
PB12 - TIM1_BKIN - - I2C2_SMBA
SPI2_NSS
I2S2_WS
- USART3_CK - CAN2_RX OTG_HS_ULPI_D5
ETH _MII_TXD0
ETH _RMII_TXD0
OTG_HS_ID - - EVENTOUT
PB13 - TIM1_CH1N - - -
SPI2_SCK
I2S2_SCK
- USART3_CTS - CAN2_TX OTG_HS_ULPI_D6
ETH _MII_TXD1
ETH _RMII_TXD1
---EVENTOUT
PB14 - TIM1_CH2N - TIM8_CH2N - SPI2_MISO - USART3_RTS - TIM12_CH1 - - OTG_HS_DM - - EVENTOUT
PB15 RTC_50Hz TIM1_CH3N - TIM8_CH3N -
SPI2_MOSI
I2S2_SD
- - - TIM12_CH2 - - OTG_HS_DP - - EVENTOUT
Table 10. Alternate function mapping (continued)
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
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