基于MAX706AT的DSP硬件看门狗与电源监控电路的设计与实现  

Design and implementation of external watchdog and voltage supervisory circuits for the DSP controller based on MAX706AT

作　　者：沈伟[1] 谢拴勤[1] 

机构地区：[1]西北工业大学自动化学院,陕西西安710072

出　　处：《电子技术应用》2008年第3期55-58,共4页Application of Electronic Technique

摘　　要：微处理器监控芯片MAX706AT的特点、结构和工作方式,以及DSP控制器TMS320LF2407A的工作原理。介绍了MAX706AT与TMS320LF2407A之间的接口硬件电路设计,并指出在实际电路设计和调试中应注意的问题。着重论述了系统的硬件设计。与一般的单片机复位电路相比,它可以显著提高系统的稳定性和可靠性。In this paper, the author introduces the feature, the structure and the principle of MAX706AT, it is a monitor chip for microprocessor. The principle of DSP controller is explained the interface design between MAX706AT and TMS320LF2407 is gave, including interface circuit. The hardware design of system is discussed primarily. Compared with the common reset circuits, the stability and the reliability can be increased remarkably by using MAX706AT.

关 键 词：MAX706AT TMS320LF2407A DSP控制器 监控器 看门狗 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置] TP301.6[自动化与计算机技术—控制科学与工程]