Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [usb-host]

A USB host port implements the upstream end of a USB connection

Each physical connection in USB is point-to-point, with a host or upstram port connected to a device or downstream port. All transactions are driven by the host port, including device discovery and enumeration as well as all data transfers in both directions.

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USB 3 female connector and signal assignment from TYPE-A to TYPE-C for connector reversibility

I'm designing a USB HUB and I've a question regarding the upstream connector. From my understanding this should be a female type. Now the question is how match the USB-C signals on the two side of the connector. Regarding this schematic: The…
FIRE FOX
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FatFs usb memory stick write problem

I'm trying to write data to usb memory stick with stm32f107. Main function is: while (1) { /* USER CODE END WHILE */ MX_USB_HOST_Process(); /* USER CODE BEGIN 3 */ switch(Appli_state) { case…
km-74
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USB 2.0 Host PC enumeration requirement

I am looking into USB 2.0 Ports in Host PC and LapTop computers. I am designing a device that will need to draw as much current as possible. Does anyone know how common these ports require enumeration and limit the current to 100mA before allowing…
shmueld
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USB hosting options

I'm looking at a USB hosting application for the PIC platform, and it just seems that none of the compilers have good stacks available for USB hosting (though I've used CCS for usb devices with no problem) for those PICs that offer hosting. Is…
Scott Seidman
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How can I increase USB3.0 PCIe card voltage output?

I have 4-port SS PCIe card, which outputs 5V 900mA on each USB port. I have a need to communicate with a distant USB device and the cable length and current demands are probably dropping the available voltage below specification at the device…
Zubaer Halim
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