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STM32F091CB 数据表(PDF) 33 Page - STMicroelectronics |
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STM32F091CB 数据表(HTML) 33 Page - STMicroelectronics |
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33 / 127 page  DocID026284 Rev 3 33/127 STM32F091xB STM32F091xC Pinouts and pin descriptions 40 Figure 9. UFQFPN48 package pinout Table 12. 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/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 3.3 V I/O 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 |
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