Intel® 500 Series Chipset Family On-Package PCH Datasheet Volume 1

Datasheet

ID 631119
Date 13/07/2021 00:00:00
Public Content
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