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介绍TMS320VC5402DSP芯片的性能，着重分析它的片内ROM结构及并行I／O引导装载程序，并给出利用8031单片机实现8位并行I／O引导装载的方法。实践证明，该方法具有很大的灵活性和实用性。
This paper introduces the performance of TMS320VC5402 DSP chip, analyzes its on-chip ROM structure and parallel I / O boot loader, and gives the method of 8-bit parallel I / O boot loader using 8031 MCU. Practice has proved that this method has great flexibility and practicability.