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STM32F031F4 数据表(PDF) 26 Page - STMicroelectronics |
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STM32F031F4 数据表(HTML) 26 Page - STMicroelectronics |
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26 / 106 page  Pinouts and pin description STM32F031x4 STM32F031x6 26/106 DocID025743 Rev 6 Table 10. Legend/abbreviations used in the pinout table Name Abbreviation Definition Pin name Unless otherwise specified in brackets below the pin name, the pin function during and after reset is the same as the actual pin name Pin type S Supply pin I Input-only pin I/O Input / output pin I/O structure FT 5 V-tolerant I/O FTf 5 V-tolerant I/O, FM+ capable TTa 3.3 V-tolerant I/O directly connected to ADC TC Standard 3.3V I/O B Dedicated BOOT0 pin RST Bidirectional reset pin with embedded weak pull-up resistor Notes Unless otherwise specified by a note, all I/Os are set as floating inputs during and after reset Pin functions Alternate functions Functions selected through GPIOx_AFR registers Additional functions Functions directly selected/enabled through peripheral registers Table 11. Pin definitions Pin number Pin name (function upon reset) Notes Pin functions Alternate functions Additional functions 1 - - - - - VBAT S - - Backup power supply 2 - -- -- PC13 I/O TC (1)(2) - RTC_TAMP1, RTC_TS, RTC_OUT, WKUP2 3 - -- -- PC14-OSC32_IN (PC14) I/O TC (1)(2) - OSC32_IN 4 - -- -- PC15- OSC32_OUT (PC15) I/O TC (1)(2) - OSC32_OUT 52 22 A5 2 PF0-OSC_IN (PF0) I/O FT - - OSC_IN |
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