本文以数字信号控制器dsPIC30F6012和独立CAN通信控制器MCP2515为基础,给出了叁CAN总线节点的硬件和软件设计方案。通过其在车辆电源管理和分配系统中的应用,证明了该设计具有较高的实用性。 关键词:CAN总线;dsPIC30F6012;MCP2515 Abstract:Based on dsPIC30F6012 Digital Signal Controller and MCP2515 Stand-Alone CAN Controller,The hardware and software design of a three CAN bus node is presented。 The project is used in vehicle power management and distribution system。Experiments prove that it is a better practical design。 Keywords:CAN bus; dsPIC30F6012; MCP2515