们将一首乐谱全部写入到24c02中,这种工作方式，可以比作一个简单的mp3，将乐曲写在可以重复写入的存储器中，播放时，读出来再播放。这样，只要换一个存有新的音乐的存储器，或者从外部将新的乐曲写入到存储器中，就可以播放新的乐曲，而单片机的程序并没有改变。-All music will be a write to the 24c02 in. This work can be compared to a simple mp3, a song written in the rewritable memory can, play, read it and then play. Thus, as long as there is new music for a memory, or from outside the new songs written to memory, you can play new music, the microcontroller