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STM32F031X4 Datasheet(PDF) 29 Page - STMicroelectronics |
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STM32F031X4 Datasheet(HTML) 29 Page - STMicroelectronics |
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29 / 106 page ![]() DocID025743 Rev 6 29/106 STM32F031x4 STM32F031x6 Pinouts and pin description 32 30 19 19 19 C1 17 PA9 I/O FTf - USART1_TX, TIM1_CH2, I2C1_SCL - 31 20 20 20 B1 18 PA10 I/O FTf - USART1_RX, TIM1_CH3, TIM17_BKIN, I2C1_SDA - 32 21 21 - - - PA11 I/O FT - USART1_CTS, TIM1_CH4, EVENTOUT - 33 22 22 - - - PA12 I/O FT - USART1_RTS, TIM1_ETR, EVENTOUT - 34 23 23 21 A1 19 PA13 (SWDIO) I/O FT (5) IR_OUT, SWDIO - 35 - - - - - PF6 I/O FTf - I2C1_SCL - 36 -- -- - PF7 I/O FTf - I2C1_SDA - 37 24 24 22 A2 20 PA14 (SWCLK) I/O FT (5) USART1_TX, SWCLK - 38 25 25 23 - - PA15 I/O FT (6) SPI1_NSS, I2S1_WS, TIM2_CH_ETR, EVENTOUT, USART1_RX - 39 26 26 24 - - PB3 I/O FT (6) SPI1_SCK, I2S1_CK, TIM2_CH2, EVENTOUT - 40 27 27 25 - - PB4 I/O FT (6) SPI1_MISO, I2S1_MCK, TIM3_CH1, EVENTOUT - Table 11. Pin definitions (continued) Pin number Pin name (function upon reset) Notes Pin functions Alternate functions Additional functions |
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