摘要
本文介绍了一个基于 GPRS 的远程监控系统的设计,以及 1-wire bus、I2C bus 和 SP1 bus 三种常用串行总线扩展技术的时序工作原理,分别使用1、2。
This paper presents a design of serial bus wireless teminal based on GPRS,and the technique and principle of the three typical serial bus using in microcontroller,1-wire bus,I2C bus and SPI bus.They transmit information by one,two or three wires.It emphasizes on the characteristics and questions which need pay attentions to in our designing.
