You're interested in the Winbond WPCE773LA0DG datasheet!
Coordinating power-on/off sequences (ACPI states) and battery charging logic [1]. Keyboard & Touchpad Control: winbond wpce773la0dg datasheet pdf download 2021
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Available in a QFP-128 (Quad Flat Package) with 128 pins. winbond wpce773la0dg datasheet pdf download 2021
Key onboard features include:
The is a specialized Super I/O (Input/Output) controller primarily used in laptop motherboards to manage low-bandwidth system tasks. While originally a Winbond product, it is frequently associated with Nuvoton Technology , which acquired Winbond's Logic IC business. Technical Review & Specifications