The MB90099 is an on-screen display controller for displaying text and graphics on the TV screen. The threechannel output control function, compact package and low voltage operation make this device suitable for onscreen displays in portable devices including camera-integrated VTRs and digital still cameras. The MB90099 controls a display area of 28 characters by 12 lines, and provides 1,024 different characters, each composed of 12 x 18 dots. All 1,024 characters in font ROM can be set by the user. The display functions include a wealth of characters with qualifying functions such as character background shading (shadow casting) and individual character size setting, with 16-color display selection for each character. Also included are the line background, screen background, and sprite character functions, providing a wide variety of screen display capabilities.