16/256 COLOR SWITCHING APPARATUS

摘要

The circuit switches 16 color/256 color in one circuit according to the need of a user. It comprises a graphic system processor (GSP;10) for inputting/outputting the data responding to a display (18) to/from the video RAM of defined address, a decoder (11) , video RAM (14) for storing one frame video data which is 4 bit or 8 bit per pixel, the 1st multiplexer (22), and the 2nd multiplexer (26) for responding to the control signal inputted to a video data output control port (A/B).