摘要
介绍CAN控制器SJA1000及定点DSP芯片TMS320DM642的主要特点,设计基于DSP芯片TMS320DM642与SJA1000的接口电路及软件编程。解决CAN总线地址数据分时复用与DSP地址线和数据线分离的问题。
The main characters of CAN controller SJA1000 and fixed-point DSP(digital signal processor)chip TMS320DM642 are introduced.The interface circuit and software programming of SJA1000 with DSP chip TMS320DM642 are presented.Resolve the problem caused by the feature of TDM of address and lines of CAN controller and the seperation of DSP address line and the date line.
出处
《中国仪器仪表》
2008年第S1期185-189,共5页
China Instrumentation
