Intel® Core™ Processor (Series 3)

Formerly known as Wildcat Lake, Datasheet, Volume 1 of 2

ID Date Version Classification
913965 05/19/2026 001 Public
Document Table of Contents
RFM

Universal Serial Bus (USB)

The processor implements a standalone xHCI USB 3.2 controller which provides support for up to 8 USB 2.0 signal pairs and 2 USB 3.2 signal pairs. The xHCI controller supports wake up from sleep states S1-S4. The xHCI controller supports up to 64 devices for a maximum number of 2048 Asynchronous endpoints (Control / Bulk) or maximum number of 128 Periodic endpoints (Interrupt / isochronous).

Notes:

  1. Each walk-up USB 3.2 capable port must include USB 3.2 and USB 2.0 signaling.
  2. U1 and U2 Link Power Management capabilities are disabled on the xHCI controller's USB 3.2 capable ports.
  3. When the processor is in package C-State C10, the standalone xHCI controller can support up to 2 concurrent traffic streams from USB 2.0 Isochronous IN Endpoints connected directly to the root port.

Acronyms

Acronyms

Description

xHCI

eXtensible Host Controller Interface

References

Specification

Location

USB 4.0 Specification

www.usb.org

USB 3.2 Specification

USB 2.0 Specification