Intel® 500 Series Chipset Family PCH Datasheet Volume 1

Datasheet

ID Date Version Classification
635218 30/09/2021 00:00:00 006 Public Content
Document Table of Contents
ICC

eXtensible Host Controller Interface (xHCI) Controller

The eXtensible Host Controller Interface (xHCI) allows data transfer speed up to 20 Gb/s for USB 3.2 Gen 2x2 ports*, 10 Gb/s for USB 3.2 Gen 2x1 ports, and 5 Gb/s for USB 3.2 Gen 1x1 ports. The xHCI supports SuperSpeed USB 20 Gbps*, SuperSpeed USB 10 Gbps, SuperSpeed USB 5 Gbps, High-Speed (HS), Full-Speed (FS) and Low-Speed (LS) traffic on the bus. The xHCI supports USB Debug port on all the USB ports. The xHCI also supports USB Attached SCIS Protocol (UASP).

Note:*USB 3.2 Gen 2x2 is only enabled when the PCH is paired with a 11th Generation Intel® Core™ Processor Desktop or 10th Generation Intel® Core™ Processor.