串行EEPROM AT24C256在声级计中的应用

Application of serial EEPROM AT24C256 in Sound Meter

为了使声级计具有更好的性能，通过对EEPROM芯片（AT24C256）的引脚、读写时序、具体编程等的介绍，使人掌握芯片的具体使用方法，以便使芯片更好的应用于自己的电路。

For the better performance of instruments, this text introduce the pins of the EEPROM＇s IC （AT24C256）and its time cycle in reading or writing, also this text introduce the programme of the IC,so people can know the way of the IC using and use the IC in their circuit.