【摘要】 介绍了浮点DSP处理器TMS320C3x和CAN控制器SJA1000的特点,分析了其接口信号及其时序。基于复杂可编程逻辑器件CPLD,设计了DSP处理器和CAN控制器之间的接口电路,并给出了详细的软硬件实现方法,解决了非多路复用总线与多路复用总线之间的匹配和转换问题。更多还原

【Abstract】 The float-point DSP processor of TMS320C3x and the CAN controller of SJA1000 are introduced.The interface signals and their Time sequences are analyzed.The interface circuit between DSP processor and CAN controller is designed and the conversion from unmultiplex bus to multiplex bus is realized based on complex programmable logic device(CPLD).更多还原