数字信号处理器TMS320F240串行通信接口模块SCI和RS-485标准接口芯片MAX485的原理和应用，并给出了TMS320F240与PC机串行通信接口电路，最后，编程实现了串行通信-Digital Signal Processor TMS320F240 and SCI serial communication interface module RS-485 standard interface chip MAX485 theory

这是一485与422共用的一个片子,能帮你开发485和422提供参考,这个片子电压范围很宽,希望能带给你很大的帮助-This is a 485 with 422 shared a film, can help you to develop 485 and 422 provide a reference, a wide voltage range of this film, and hope to give you a great hel