Generating Custom Characters and Graphics by Using the MAX7456's Memory and EV Kit File Formats

The MAX7456 is a single-channel on-screen display (OSD) generator that allows the user to overlay custom-generated graphics over live video. This application note describes the memory organization in the MAX7456 and shows how to use the device to generate custom characters and graphics. The file formats for the MAX7456 evaluation (EV) kit are presented. The note also explains how these files can be manipulated simply by using a spreadsheet.