Intel® 700 Series Chipset Family On-Package Platform Controller Hub (PCH)

Datasheet, Volume 1 of 2
Supporting Raptor Lake - PX Platforms

ID 765585
Date 01/30/2023
Version 001
Document Table of Contents

VCCSPI Voltage (3.3 V or 1.8 V) Selection

The VCCSPI voltage (3.3 V or 1.8 V) is selected via a strap on SPIVCCIOSEL.

  • 0 = SPI voltage is 3.3 V (4.7 kohm pull-down to GND)
  • 1 = SPI voltage is 1.8 V (4.7 kohm pull-up to VCCDSW_​3P3)

VCCSPI Voltage (3.3 V or 1.8 V) Selection