Intel® 500 Series Chipset Family On-Package PCH Datasheet Volume 1

Datasheet

ID 631119
Date 13/07/2021 00:00:00
Public Content
Document Table of Contents

I/O Signal Planes and States

Signal Name

Power Plane

During Reset2

Immediately After Reset2

S4/S5

Deep Sx

USB31_​[4:1]_​RXN

USB31_​[4:1]_​RXP

Primary

Internal Pull-down

Internal Pull-down

Internal Pull-down

OFF

USB31_​[4:1]_​TXN

USB31_​[4:1]_​TXP

Primary

Internal Pull-down

Internal Pull-down

Internal Pull-down

OFF

USB2N_​[10:1]

DSW

Internal Pull-down

Internal Pull-down

Internal Pull-down

Internal Pull-down

USB2P_​[10:1]

DSW

Internal Pull-down

Internal Pull-down

Internal Pull-down

Internal Pull-down

USB_​OC0#

Primary

Undriven

Undriven

Undriven

OFF

USB_​OC1#

Primary

Undriven

Undriven

Undriven

OFF

USB_​OC2#

Primary

Undriven

Undriven

Undriven

OFF

USB_​OC3#

Primary

Undriven

Undriven

Undriven

OFF

USB_​VBUSSENSE

Primary

Undriven

Undriven

Undriven

OFF

USB_​ID1

Primary

Internal Pull-up

Undriven/Internal Pull-up

Undriven/Internal Pull-up

OFF

USB2_​COMP

Primary

Undriven

Undriven

Undriven

OFF

Notes:
  1. The USB_​ID pin is pulled-up internally.
  2. Reset reference for primary well pins is RSMRST# and DSW well pins is DSW_​PWROK.