Intel® Core™ Processor (Series 3)

Formerly known as Wildcat Lake, Datasheet, Volume 1 of 2

ID Date Version Classification
913965 05/19/2026 001 Public
Document Table of Contents
RFM

Signal Description

Signal Name

Type

Description

Availability

GPP_​A00/ESPI_​IO0

I/O

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

All Processor Series

GPP_​A01/ESPI_​IO1

I/O

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

All Processor Series

GPP_​A02/ESPI_​IO2/PRIMPWRDNACK

I/O

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

All Processor Series

GPP_​A03/ESPI_​IO3/PRIMACK#

I/O

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

All Processor Series

GPP_​A04/ESPI_​CS0#

O

eSPI Chip Select 0: Driving CS# signal low to select eSPI device for the transaction.

All Processor Series

GPP_​A05/ESPI_​CLK

O

eSPI Clock: eSPI clock output from the Processor to device.

All Processor Series

GPP_​A06/ESPI_​RESET#

O

eSPI Reset: Reset signal from the Processor to eSPI device.

All Processor Series