| 摘要 |
<p>Provided is a television KARAOKE chip with 2000 songs, including: a controller of a micro processor for a user's selection spec and externally receiving/outputting an address signal, the controller for the internal operation receiving/outputting a data signal and outputting a memory request signal, an input/output strobe signal and an address signal to a gate array, converting them into read/write, memory blanking, chip selecting, video read and write, external outputting write and read, the controller receiving external reset signal and initializing and outputting midi-data signals externally through a series interface; a controlling unit of a video display IC read signal, video write outputting to a memory in order to read out the video data corresponding to the background of the screen and the words of the song, also externally outputting color signals R, G, B and outputting a clock signal, a synchronization signal, a horizontal reset signal, and a vertical reset signal to the external display device; a sound-source data ROM for receiving the signals from the controller of the micro processor and outputting the internal midi-data as the data signal; a controlling unit of a midi-synthesizer for operating a midi-interrupter; and the midi-interrupter for outputting the synthesized sounds with the electronic sounds generated in a synthesizer engine according to the data in a sample ROM.</p> |
