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STM32F401CB 数据表(PDF) 44 Page - STMicroelectronics |
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STM32F401CB 数据表(HTML) 44 Page - STMicroelectronics |
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44 / 134 page ![]() Table 9. Alternate function mapping Port AF00 AF01 AF02 AF03 AF04 AF05 AF06 AF07 AF08 AF09 AF10 AF11 AF12 AF13 AF14 AF15 SYS_AF TIM1/TIM2 TIM3/ TIM4/ TIM5 TIM9/ TIM10/ TIM11 I2C1/I2C2/ I2C3 SPI1/SPI2/ I2S2/SPI3/ I2S3/SPI4 SPI2/I2S2/ SPI3/ I2S3 SPI3/I2S3/ USART1/ USART2 USART6 I2C2/ I2C3 OTG1_FS SDIO PA0 - TIM2_CH1/ TIM2_ETR TIM5_CH1 - - - - USART2_ CTS -- - - - - - EVENT OUT PA1 - TIM2_CH2 TIM5_CH2 - - - - USART2_ RTS -- - - - - - EVENT OUT PA2 - TIM2_CH3 TIM5_CH3 TIM9_CH1 - - - USART2_ TX -- - - - - - EVENT OUT PA3 - TIM2_CH4 TIM5_CH4 TIM9_CH2 - - USART2_ RX -- - - - - - EVENT OUT PA4 - - - - - SPI1_NSS SPI3_NSS/ I2S3_WS USART2_ CK -- - - - - - EVENT OUT PA5 - TIM2_CH1/ TIM2_ETR -- - SPI1_SCK - - - - - - - - - EVENT OUT PA6 - TIM1_BKIN TIM3_CH1 - - SPI1_ MISO -- - - - - - - - EVENT OUT PA7 - TIM1_CH1N TIM3_CH2 - - SPI1_ MOSI -- - - - - - - - EVENT OUT PA8 MCO_1 TIM1_CH1 - - I2C3_SCL - - USART1_ CK -- OTG_FS_ SOF - - - - EVENT OUT PA9 - TIM1_CH2 - - I2C3_ SMBA -- USART1_ TX -- OTG_FS_ VBUS -- -- - EVENT OUT PA10 - TIM1_CH3 - - - - - USART1_ RX -- OTG_FS_I D -- - - EVENT OUT PA11 - TIM1_CH4 - - - - - USART1_ CTS USART6_ TX - OTG_FS_ DM -- - - EVENT OUT PA12 - TIM1_ETR - - - - - USART1_ RTS USART6_ RX - OTG_FS_ DP -- - - EVENT OUT PA13 JTMS_ SWDIO -- - - - - - - - - - - - - EVENT OUT PA14 JTCK_ SWCLK -- - - - - - - - - - - - - EVENT OUT PA15 JTDI TIM2_CH1/ TIM2_ETR -- - SPI1_NSS SPI3_NSS/ I2S3_WS -- - - - - - - EVENT OUT |
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