Intel® 700 Series Chipset Family Platform Controller Hub

Datasheet, Volume 1 of 2

ID 743835
Date 01/04/2023

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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

Display Audio Interface

HDACPU_​BCLK

Primary

Driven Low

Driven Low

OFF

OFF

HDACPU_​SDO

Primary

Internal Pull-down

Internal Pull-down

Internal Pull-down

OFF

HDACPU_​SDI

Primary

Internal Pull-down

Internal Pull-down

OFF

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[4:1]_​DATA

Primary

Internal Pull-down

Internal Pull-down

Internal Pull-down

OFF

SNDW[4:1]_​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 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#.