600 Series Chipset Family Platform Controller Hub

Datasheet, Volume 1 of 2

ID 648364
Date 05/10/2022
Document Table of Contents

Embedded DisplayPort* (eDP*) Backlight Control Signals

Embedded DisplayPort* (eDP*) Backlight Control Signals

Signal Name Type Description
GPP_​F19 / eDP_​VDDEN O eDP Panel power Enable : Panel power control enable. This signal is used to control the VDC source of the panel logic.
GPP_​F20 / eDP_​BKLTEN O eDP Backlight Enable : Panel backlight enable control for eDP This signal is used to gate power into the backlight circuitry.
GPP_​F21 / eDP_​BKLTCTL O eDP Panel Backlight Brightness control : Panel brightness control for eDP. This signal `is used as the PWM Clock input signal.
Note:eDP_​VDDEN, eDP_​BKLTEN, eDP_​BKLTCTL can be left as no connect if eDP* is not used.