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Research and Remote Implementation of Program Updation of DSP System by Ethernet
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Based on the structure and bootloader principle of DSP system,a method for the remote updation,debugging and self-loading of DSP system is developed by Ethernet.Hardware circuit and DM9000 driven program are presented and TCP/IP protocol is embedded into DSP.Through the re-mapping of external memory address,it is easy to implement the load of program section selectively and DSP self-boot.The experimental results show that the problem of high cost in system maintenance by conventional field debugging by emulator and the limitation in chip-level boot are resolved.
Key Laboratory of Opto-electronic Information Technical Science,School of Precision Instrument and Opto-electronics Engineering,Tianjin University,Tianjin 300072,CHN
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