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本文以国内某大型机车厂机车改造项目为依托,针对目前列车机车通讯基本上是采用RS485或RS232串行通讯的情况,采用3150神经元芯片实现控制主机与显示屏之间的串行通信。其硬件设计的关键是使用双端口RAM完成Z80与3150神经元芯片之间的数据通信。
In this paper, a large Locomotive Locomotive locomotive renovation project as the basis for the current train locomotive communication is basically RS485 or RS232 serial communication using 3150 neuron chip control panel to achieve the serial communication between the host. The key to its hardware design is the use of dual-port RAM to complete the data communication between the Z80 and 3150 neuron chips.