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.
USB信号是什么类型的？ 为什么在D+，D-处要接上拉下拉电阻呢，具体阻值要如何计算?_学无止境_Charles的博客-CSDN博客
USB dedicated charging port (DCP) controller BL2513M
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![SOLVED] - USB data indicator on D+ D- bus from AVR | Forum for Electronics](https://lh6.googleusercontent.com/-B7r_aQHKm3E/UxlT75fx75I/AAAAAAAACZM/Kr2N9pXc5yc/s640/USB%2520connections.png "SOLVED] - USB data indicator on D+ D- bus from AVR | Forum for Electronics")
SOLVED] - USB data indicator on D+ D- bus from AVR | Forum for Electronics
USB Enumeration | Perytech
Adaptador USB tipo C para prueba con pines D+ D- Teknomovo 2023
Discharge into a USB connector during a plug-in event. One of the... | Download Scientific Diagram
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d+ USB class B - 1m
Neo d+ USB Type C Class B 1m (USB B/M-USB C/M) - Cables USB | Manhattan - Pro Audio
USB C Breakout Board female socket Adapter Connector VCC GND D+ D- USB 2.0 | eBay
3.6 V zener diodes at D+ and D-are added to limit the voltage. | Download Scientific Diagram
USB基础知识_usb d+ d- 电压_学无止境_Charles的博客-CSDN博客
TS3USB3031: For the TS3USB3031 chip, must the pin d+, d- correspond to the USB d+, d-? - Interface forum - Interface - TI E2E support forums
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NEO by Oyaide d+ USB 2.0 Cable, Clase B largo 0,7m | MUSIC STORE professional
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cables - Are the USB-C D+ and D- shorted to its duplicate pair pin? - Electrical Engineering Stack Exchange
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