This post lists the possible solutions to fix the Unknown USB Device, the Device Failed Enumeration error on Windows 11/10. When you connect your USB device to the ...

Use a lower generation USB port. Use a dock. Disable the xHCI Mode option in BIOS. Reinstall the Universal Serial Bus Controller drivers. Run USB Troubleshooter. 1] Use a lower generation USB port ...

This document is an application note describing use of the USB peripheral communications device class driver (PCDC) with the USB basic firmware of Renesas USB MCU and USB ASSP.The program described ...

In Windows XP and all recent Microsoft operating systems, the Device Manager is the primary utility used to configure and modify hardware devices. If you are experiencing problems with the USB ports ...

This highly integrated USB device controller contains USB, serial and parallel protocol engines, eliminating any requirement for USB specific firmware development. The device supports IO interface ...

In my last column [see LJ December 2002], we covered the serial layer in the 2.5 (hopefully soon to be 2.6) kernel tree. We mentioned in passing that a USB-to-serial driver layer in the kernel helps ...

Every operating system places requirements on device drivers. Here's a quick tour of the Windows CE rulebook. Microsoft Windows CE is a modular and scalable operating system that supports a variety of ...

The difficulty of writing device drivers is one of the major barriers to the adoption of the USB. A typical embedded-device engineer who can comfortably design embedded systems all day long can get ...