摘要
Philips公司推出的I2C总线是串行总线中最为著名且应用最广泛的一种,本文描述了用单片机(DS80C32)的普通I/O口模拟I2C总线接口的设计方案,及其对存储器PCF85116的控制实现。
I^2C bus promoted by Philips company is a most famous serial bus which widely used in audio＆video systems, IC - card industries and home electronic apparatus. This paper describes the design plan of simulating I^2C bus interface using normal I/O pins of singlechip （DS80C32）, and gives the control implementation of memory PCF85116.
