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介绍了采用Dallas公司的高速处理器DS89C420设计和实现的实时信令收发系统的组成,给出了系统的硬件结构图,并阐明了基于DS89C420的控制模块对各模块之间的控制功能;最后介绍了firmware(固件)设计、应用程序的设计等。
The composition of real-time signaling system designed and implemented by Dallas high-speed processor DS89C420 is introduced. The hardware structure of the system is given, and the control functions of each module based on DS89C420 are explained. Finally, The firmware (firmware) design, application design and so on.