Brief Introduction of Application: DDC, short for –DISPLAY DATA CHANNEL, is a standard protocol for communication between display and host. It can transmit the information about the display, such as acceptable frequency range, manufacturer, production date, serial No., model, standard display mode and its parameters, supported DDC standard EDID versions, etc. to the host. DDC standard protocol of high version allows the host to adjust the basic parameters of display, such as luminance, contrast, central position, color temperature parameters, etc. Function Introduction: DDC is mainly used for the two-way communication between host and display; with it, the display can transmit its information (including product type, parameters, resolution, etc.) to the host, which will make the VGA card to display with optimized configuration based on that information. 【DOWNLOAD】