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. In this paper, the serial port DSP-based devices