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 05/09/2025 Public
Document Table of Contents

I/O Signal Planes and States

Signal Name

Power Plane

During Reset1

Immediately after Reset1

S4/S5

I3C[1:0]_​SDA , I3C1A_​SDA

Primary

Undriven

Undriven

Undriven

I3C[1:0]_​SCL, I3C1A_​SCL

Primary

Undriven

Undriven

Undriven

Notes:
  1. Reset reference for primary well pins is RSMRST#.