On the basis of analyzing the working theory of gateway,the design of hardware,USB driver,firmware and communication program of Neuron chip are presented. And an example of actualizing train gating system by gateway is given.

• 在分析了网关工作原理的基础上,给出了硬件设计、USB驱动程序设计、固件设计及Neuron芯片的通信程序设计,并给出了一个用该网关实现列车门控系统的实例。