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 03/05/2024 Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

I/O Signal Planes and States

Signal Name

Power Plane

During Reset1

Immediately after Reset1

S4/S5

ESPI_​IO[3:0]

Primary

Internal Pull-up

Internal Pull-up

Internal Pull-up

ESPI_​CLK

Primary

Internal Pull- down

Driven Low

Driven Low

ESPI_​ CS0#

Primary

Internal Pull-up

Driven High

Driven High

ESPI_​RESET#

Primary

Driven Low

Driven High

Driven High

Note:Reset reference for primary well pins is RSMRST#.