Intel® Core™ Ultra Processor

Datasheet, Volume 1 of 2
Supporting Intel® Core™ Ultra Processor for U/H/U-Type4-series Platforms, formerly known as Meteor Lake

ID Date Version Classification
792044 05/09/2025 Public
Document Table of Contents

ISH GSPI Controller

The ISH supports one SPI controller comprises of four-wired interface connecting the ISH to external sensor devices.

The SPI controller includes:

  • Operate in Host mode only
  • Single Chip Select
  • Half Duplex operation only
  • Programmable SPI clock frequency range with maximum rate of 24 Mbits/sec
  • FIFO of 64 bytes with programmable thresholds
  • Support Programmable character length (2 to 16 bits)