介绍了DSP 芯片TMS320VC5509 的主要特点,指出了TMS320VC5509 在使用flash 存储器AM29LV800 存储

数据的应用中,在电路接口设计、数据空间寻址、寄存器初始化设置及DSP 对flash 的写或擦除操作的检测等方面应该注意的

一些问题. 提出了DSP 工作在较高的时钟频率时通过适当延时来正确访问AM29LV800 的解决方案,并给出了主要的编程范

例. 在实践中证明了方案的有效性-The main feat ures of t he TMS320VC5509 DSP are int roduced briefly. Several aspect s which

should be paid at tention to when storing the data wit h TMS320VC5509 by using flash memory are indica2

ted in detail , such as interface circuit design , addressing t he external data space , initializing t he register s

and detecting the program or erase operation to flash memory using DSP. Furt hermore , t he solution of ac2

cessing t he flash memory AM29LV800 correctly at high f requency by appropriate delay is proposed , t he

program of which is given. The validity of solution is verified in p ractice