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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F072X8 датащи(PDF) 43 Page - STMicroelectronics |
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STM32F072X8 датащи(HTML) 43 Page - STMicroelectronics |
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43 / 128 page  DS9826 Rev 6 43/128 STM32F072x8 STM32F072xB Pinouts and pin descriptions 43 B4 93 C3 59 43 D4 PB7 I/O FTf - I2C1_SDA, USART1_RX, USART4_CTS, TIM17_CH1N, TSC_G5_IO4 - A4 94 B4 60 44 A5 BOOT0 I B - Boot memory selection A3 95 B3 61 45 B5 PB8 I/O FTf - I2C1_SCL, CEC, TIM16_CH1, TSC_SYNC, CAN_RX - B3 96 A3 62 46 C5 PB9 I/O FTf - SPI2_NSS, I2S2_WS, I2C1_SDA, IR_OUT, TIM17_CH1, EVENTOUT, CAN_TX - C3 97 - - - - PE0 I/O FT - EVENTOUT, TIM16_CH1 - A2 98 - - - - PE1 I/O FT - EVENTOUT, TIM17_CH1 - D3 99 D4 63 47 A6 VSS S - - Ground C4 100 E4 64 48 A7 VDD S - - Digital power supply 1. PC13, PC14 and PC15 are supplied through the power switch. Since the switch only sinks a limited amount of current (3 mA), the use of GPIOs PC13 to PC15 in output mode is limited: - The speed should not exceed 2 MHz with a maximum load of 30 pF. - These GPIOs must not be used as current sources (e.g. to drive an LED). 2. After the first RTC domain power-up, PC13, PC14 and PC15 operate as GPIOs. Their function then depends on the content of the RTC registers which are not reset by the system reset. For details on how to manage these GPIOs, refer to the RTC domain and RTC register descriptions in the reference manual. 3. PC6, PC7, PC8, PC9, PA8, PA9, PA10, PA11, PA12, PA13, PF6, PA14, PA15, PC10, PC11, PC12, PD0, PD1 and PD2 I/Os are supplied by VDDIO2. 4. After reset, these pins are configured as SWDIO and SWCLK alternate functions, and the internal pull-up on the SWDIO pin and the internal pull-down on the SWCLK pin are activated. Table 14. STM32F072x8/xB pin definitions (continued) Pin numbers Pin name (function upon reset) Pin type Pin functions Alternate functions Additional functions |
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