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SMoor.1 · 2022-12-01

My previous question was how to detect a cable and they said to use a EXTI to receive a VBUS detection. The customer wants to use USB to program a blank device (so nothing configured) and EXTI is a block of interrupts and could be multiple pins. Ple...

SMoor.1 · 2022-12-01

I have read AN2606, but it does not tell you how the bootloader detects that a USB cable is detected. We know how to detect a USB cable is connected, but can't find details on how the bootloader recognizes the connection.

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Where does Bootloader for STM32G0B1M1 look for a USB cable? My previous question was how to detect a USB cable, but the answer was just use VBUS and an EXTI to detect. Which interrupt does the bootloader monitor for a cable?

Re: Where does Bootloader for STM32G0B1M1 look for a USB cable? My previous question was how to detect a USB cable, but the answer was just use VBUS and an EXTI to detect. Which interrupt does the bootloader monitor for a cable?