YGV627

YGV627 AVDP3E Advanced Video Display processor 3 Enhanced s OUTLINE YGV627 is a VDP (Video Display Processor) that realizes higher resolution, multi-color and high speed drawing by adopting a synchronous DRAM as the video memory, while maintaining the register compatibility with YGV617B that is used for controlling the high minuteness On Screen Display (OSD). Since the device is capable of displaying bitmap images with various resolutions ranging from NTSC to SVGA on the monitors with any size of screen including wide screen, it can be used for controlling OSD for various display units. Also, it is capable of representation of varied images in accordance with the application because numerous number of colors can be selected such as the one in the range from 16 to 65536 RGB color display, or natural image display using YCbCr. In addition, the existing system can be up-graded easily thanks to the basic features from YGV617B such as a high speed drawing function, character drawing function, synchronization with external video signal, digital video input / output function, and hardware cursor display function. s FEATURES YGV627 is capable of selecting two modes by using the setting of ENH pin. For convenience, the case of using ENH pin with LOW level (enabled) is referred to as “expansion mode” in this document. In the expansion mode, all the functions can be used. The case of using ENH pin with HIGH level (disabled) is referred to as “compatibility mode”. In the compatibility m...