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STM32F732ICK6 数据表(PDF) 23 Page - STMicroelectronics |
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STM32F732ICK6 数据表(HTML) 23 Page - STMicroelectronics |
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23 / 122 page ![]() DocID028480 Rev 1 23/122 STM32F732xx STM32F733xx Functional overview 44 than VDD –The VDDUSB rising and falling time rate specifications must be respected – In the operating mode phase, VDDUSB could be lower or higher than VDD: - If the USB (USB OTG_HS/OTG_FS) is used, the associated GPIOs powered by VDDUSB are operating between VDDUSB_MIN and VDDUSB_MAX. - The VDDUSB supplies both USB transceiver (USB OTG_HS and USB OTG_FS). If only one USB transceiver is used in the application, the GPIOs associated to the other USB transceiver are still supplied by VDDUSB. - If the USB (USB OTG_HS/OTG_FS) is not used, the associated GPIOs powered by VDDUSB are operating between VDD_MIN and VDD_MAX. Figure 7. VDDUSB connected to VDD power supply Figure 8. VDDUSB connected to external power supply |
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