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文章介绍了美国Xicor公司的串行EEPROMX2 4 2 56芯片的特性及工作原理 ,提供了X2 4 2 56与单片机W 78E58的IIC方法 ,并且简要阐述其在手持无线抄表器中的应用
This article introduces the characteristics and working principle of the serial EEPROMX2 4 2 56 chip of Xicor Company in the United States, provides the IIC method of X2 4 2 56 and the single chip W 78E58, and briefly describes its application in handheld wireless meter reading device