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本文就一个基于TMS320C5409的DSP应用系统板的方案研究,实现数字通信系统中的各种编解码算法。首先重点阐述了应用系统板具体实现,包括DSP最小系统的实现、模数和数模(A/D、D/A)转化电路的设计与外部存储空间的扩展。本设计方案围绕系统的实用性、极高的性价比,充分考虑广泛适用于高校DSP实验教学的应用板这三个方面进行方案的论证及选择。
In this paper, based on a TMS320C5409 DSP application system board program to achieve a variety of digital communication system codec algorithm. Firstly, the concrete realization of the application system board is elaborated, including the realization of DSP minimum system, the design of A / D and D / A conversion circuit and the expansion of external storage space. The design program around the practicality of the system, high cost, give full consideration to the application of the board widely used in university DSP experimental teaching of these three aspects of the program demonstration and choice.