Taking the flash memory AT25F1024 for example, the way of pro-gramming and copying on line of the electrical measurement system is discussed , so the principle and realization of series 8-sit SPI guided of TMS320VC5509A. does.

• 以Atmel公司闪存AT25F1024为例,介绍了电测量系统DSP在线系统编程烧写方法和TMS320VC5509A串行SPI8位引导的原理与实现。