600 Series Chipset Family On-Package Platform Controller Hub

Datasheet, Volume 1 of 2

ID 691222
Date 01/05/2022

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Document Table of Contents

GPIO Ownership

Any PCH GPIO can be owned by the host, the Intel® CSME, or ISH depending on how the pin ownership being programmed. The programmed agent will then own the pin exclusively. For example, when a GPIO pad ownership is programmed to the Intel CSME or ISH, the host software no longer has access to the pin programming.