Intel® Processor and Intel® Core™ i3 N-Series

Datasheet, Volume 1 of 2

ID 759603
Date 01/04/2023
Version 001
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 (example, graphics EUs or host CPU), 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
      • IOSF Primary Interface for DMA operation and register access
        • Minimum 100MHz 64 bit
      • SPI IO interface
  • SPI IO
    • 1.8V SPI IOs
    • Provides SPI interface to the THC core

THC Block Diagram