摘要
I2C总线是Philips(飞利浦)公司推出的串行总线,整个系统仅靠数据线(SDA)和时钟线(SCL)实现完善的全双工数据传输,文章介绍了具有I2C总线的A/D、D/A转换芯片PCF8591的内部结构图,引脚功能,A/D、D/A转换的控制方法,给出了A/D、D/A转换的软件编程的流程图和实例。
I^2C bus is the serial bus that Philips has introduced, the whole system of relying on the data line （SDA） and clock line （SCL） to achieve a comprehensive, full-duplex data transmission, introduced in this paper with I^2C Bus A/D.D/A conversion chip PCF8591 internal structure diagram, pin functions, A/D.D/A conversion control methods, gave the A/D.D/A conversion software programming flow chart and examples.
出处
《企业技术开发》
2009年第5期18-21,共4页
Technological Development of Enterprise
