Intel® Processor and Intel® Core™ i3 N-Series

Datasheet, Volume 1 of 2

ID 759603
Date 01/04/2023
Version 001
Document Table of Contents

I/O Signal Planes and States

I/O Signal Planes and States

Signal Name

Power Plane

During Reset2

Immediately After Reset2

S3/S4/S5

Deep Sx

High Definition Audio Interface

HDA_​RST#

Primary

Driven Low

Driven Low

Driven Low

OFF

HDA_​SYNC

Primary

Internal Pull-down

Driven Low

Internal Pull-down

OFF

HDA_​BCLK

Primary

Driven Low

Driven Low

Driven Low

OFF

HDA_​SDO

Primary

Internal Pull-down

Driven Low

Internal Pull-down

OFF

HDA_​SDI[1:0]

Primary

Internal Pull-down

Internal Pull-down

Internal Pull-down

OFF

I2S/PCM Interface

I2S[2:0]_​SCLK

Primary

Internal Pull-down

Internal Pull-down

Internal Pull-down

OFF

I2S[2:0]_​SFRM

Primary

Internal Pull-down

Internal Pull-down

Internal Pull-down

OFF

I2S[2:0]_​TXD

Primary

Driven Low

Driven Low

Driven Low

OFF

I2S[2:0]_​RXD

Primary

Internal Pull-down

Internal Pull-down

Internal Pull-down

OFF

I2S_​MCLK1_​OUT

Primary

Internal Pull-down

Internal Pull-down

Internal Pull-down

OFF

DMIC Interface

DMIC_​CLKA[1:0]

Primary

Driven Low

Driven Low

Driven Low

OFF

DMIC_​CLKB[1:0]

Primary

Driven Low

Driven Low

Driven Low

OFF

DMIC_​DATA[1:0]

Primary

Internal Pull-down

Internal Pull-down

Internal Pull-down

OFF

SoundWire Interface

SNDW[3:0]_​DATA

Primary

Internal Pull-down

Internal Pull-down

Internal Pull-down

OFF

SNDW[3:0]_​CLK

Primary

Driven Low

Driven Low

Driven Low

OFF

Misc

SPKR

Primary

Internal Pull-down

Driven Low

Low then disabled (refer to note)

OFF

Notes:
  1. SPKR and I2S0_​TXD are also straps in which the pull-down only occurs during the sampling window and then the pull-ups are disabled.
  2. Reset reference for primary well pins is RSMRST#.