cExpress-EL User’s Guide
PICMG COM.0 R3.0
Page 42
Copyright © 2021 ADLINK Technology, Inc.
4.4.1.1
USB Root Segmentation
Name
HSIO name on SOC
Comment
USB 0
HSIO 0
from XHCI controller
USB 1
HSIO 1
from XHCI controller
USB 2
N/A
BOM option support by a USB Hub
USB 3
N/A
BOM option support by a USB Hub