To what voltage should the D+ line be pulled up when designing USB connection in STM32? +5V or +3.3V? All documentation and dev board scematics says it's 3.3V, but it didn't work.
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![usb - Setting D+ D- ports to set 12V From Qualcomm QC Chargers - Electrical Engineering Stack Exchange usb - Setting D+ D- ports to set 12V From Qualcomm QC Chargers - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/znCda.png)
usb - Setting D+ D- ports to set 12V From Qualcomm QC Chargers - Electrical Engineering Stack Exchange
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