digital signal processors become more powerful

August 22 [Thu], 2013, 11:04
A digital signal processor (DSP) with the analog signal processor has great advantages, and in high accuracy, flexibility, reliability, easy large-scale integration and so on. As semiconductor manufacturing process development and improvement of computer architecture, digital signal processors become more powerful, rather than as in the past too much to consider hardware can be realized. With DSP computing power continues to increase, real-time processing can greatly increase the bandwidth of the signal, digital signal processing research focus from the initial application of non-real-time high-speed real-time applications steering.

Although currently most DSP support the C programming language, but in practical engineering applications, the most common method is to use C language process control. Laptop battery build engineering framework, the specific algorithm module and time-consuming function module or the use of assembly language. Especially in hard real-time systems. assembly language programming available DSP hardware structure is characterized for its own assembler optimize and streamline, are often able to make some complex algorithms and functional modules in real time very good results achieved.

2 Assembler optimized, DSP's variety. Various DSP hardware has its own characteristics, and the DSP assembler optimization process is based on the characteristics of the program itself DSP hardware resources to take full advantage of the process. Therefore, specific to the different device. Its optimization in different ways. Most of the more popular DSF, Hope to be able to different DSP assembler optimization process to provide some way of thinking on the cut point. For ease of illustration, the author provides some examples, these examples are AD's TSl01 series circuit with assembly language.

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