通过DSP的JTAG仿真接口对Flash存储器进行编程实现代码的更新,这给DSP系统的软件维护和升级造成了很大的困难。本文提出基于DSP设备的串口-Through the DSP JTAG emulation interface for programming the Flash memory code updates, which gives the DSP system software maintenance and upgrades caused great difficulties.