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Questions tagged [usb]

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USB is Universal Serial Bus. If your question relates to a specific chip, please mention it in your question.

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We have a board where the customer wants to be able to pass USB through from one USB-C connector (on the back) to another (on the front) to make plugging in the odd peripheral easier - sounds easy ...
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I am currently designing a PCB with a STM32H723 MCU that will connect to SD Card through a SDIO Multiplexer (TS3A27518EIRTWRQ1) to SD Card to log data. When I insert a USB Cable I change the MUX State ...
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I currently have a device which is powered through a 5V battery and pulls up to 1A. The device only exposes D+ and D- data lines. The device will often be powered on by the battery before a USB is ...
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According to the DS CM6533, it has the following specifications: The CM6533 is a USB 2.0 audio chip built-in 8051 for flexible applications. Embedded 1T 8051 with 32K Byte SRAM and 512K Byte flash(...
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Here is my setup STM32F401CCU6 WeAct Blackpill, which controls A 3.3V-24V Optocoupler, which controls A Siemens 3-phase contactor to switch a 400VAC induction motor, with flyback diode on the ...
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I'm developing a USB2534 based hub with the intent of making a powered hub that can charge a phone and connect said phone to multiple downstream devices. After some oopsies on the first prototype, the ...
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Is this bad (USB data pin wraps around VCC pin)? Assume 480Mbps is required.
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I'm trying to change the usb interface of a USB camera which works via its USB A connector as follows: [![enter image description here][1]][1] Camera's original USB A cable with a 5 pin connector: [![...
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