介绍了一种基于DS80C410 内嵌CAN 总线网络的食堂售饭系统的设计，包括系统的网络结构和硬件设计。重点介绍了系统中窗口机的硬件、软件设计，并详细描述了DS80C410 内嵌CAN模块的初始化过程和报文收发过程。关键词：DS80C410 CAN 总线 食堂售饭系统 窗口机Abstract: This paper introduces a design of canteen sale system based on CAN bus which isembedded in the chip of DS80C410. Network structure and hardware design of the system are presented, especially in the hardware and software design of the window machines. The initialization and transmit-receive process of the CAN module are also be described in detail.Key words: DS80C410 CAN Bus Canteen Sale System Window Machines