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

Signal Description

Name

Type

Description

GPP_​A0 / ESPI_​IO0

I/O

eSPI Data Signal 0: Bi-directional pin used to transfer data between the PCH and eSPI slave device.

GPP_​A1 / ESPI_​IO1

I/O

eSPI Data Signal 1: Bi-directional pin used to transfer data between the PCH and eSPI slave device

GPP_​A2 / ESPI_​IO2 / SUSWARN# / SUSPWRDNACK

I/O

eSPI Data Signal 2: Bi-directional pin used to transfer data between the PCH and eSPI slave device

GPP_​A3 / ESPI_​IO3 / SUSACK#

I/O

eSPI Data Signal 3: Bi-directional pin used to transfer data between the PCH and eSPI slave device

GPP_​A5 / ESPI_​CLK

O

eSPI Clock: eSPI clock output from the PCH to slave device.

GPP_​A6 / ESPI_​RESET#

O

eSPI Reset: Reset signal from the PCH to eSPI slave.

GPP_​A4 /ESPI_​CS#

O

eSPI Chip Select: Driving CS# signal low to select eSPI slave for the transaction.