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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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STM32G474CB bảng dữ liệu(PDF) 73 Page - STMicroelectronics |
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STM32G474CB bảng dữ liệu(HTML) 73 Page - STMicroelectronics |
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73 / 236 page  DS12288 Rev 4 73/236 STM32G474xB STM32G474xC STM32G474xE Pinouts and pin description 80 - - - - - C4 97 B4 125 PE0 I/O FT - TIM4_ETR, TIM20_CH4N, TIM16_CH1, TIM20_ETR, USART1_TX, FMC_NBL0, EVENTOUT - - - - - - B3 98 C4 126 PE1 I/O FT - TIM17_CH1, TIM20_CH4, USART1_RX, FMC_NBL1, EVENTOUT - - - 47 63 79 - 99 B3 127 VSS S - - - - A9 48 48 64 80 - 100 A3 128 VDD S - - - - 1. Function availability depends on the chosen device. 2. 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). 3. After a backup 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 Backup domain and RTC register descriptions in the reference manual RM0440 "STM32G4 Series advanced Arm®-based 32-bit MCUs". 4. After reset, these pins are configured as JTAG/SW debug alternate functions, and the internal pull-up on PA15, PA13, PB4 pins and the internal pull-down on PA14 pin are activated. 5. It is recommended to set PB8 in another mode than analog mode after startup to limit consumption if the pin is left unconnected. Table 12. STM32G474xB/xC/xE pin definition (continued) Pin Number Alternate functions Additional functions |
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