Intel® Core™ Ultra Processor

Datasheet, Volume 1 of 2
Supporting Intel® Core™ Ultra Processor for U/H-series Platforms, formerly known as Meteor Lake

ID Date Version Classification
792044 12/15/2023 Public

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Document Table of Contents

Functional Description

The Touch Host Controller (THC) supports a host controller interface to the touch IC for high bandwidth touch data transfer from SPI based touch ICs. THC provides high bandwidth DMA services to the touch driver and transfer the touch raw data or HID reports to internal touch accelerator (For example, graphics EUs or host Processor), or host driver respectively.

The THC controller bridges the Processor bus and SPI ports, below are the details.

  • THC Controller
    • Touch Host controller bridges the Processor bus and SPI
    • The THC Controller has the following interfaces
  • SPI IO
    • 1.8 V SPI IOs.
    • Provides SPI interface to the THC core.
    • Maximum Frequency supported 41.67 MHz.

THC Block Diagram