Chapter: Discrete Time Systems and Signal Processing : Digital Signal Processor

Requirements of DSP Processors

The most fundamental mathematical operation in DSP is sum of products also called as dot of products.

REQUIREMENTS OF DSP PROCESSORS

The most fundamental mathematical operation in DSP is sum of products also called as dot of products.

Y(n)= h(0)*x(n) + h(1)*x(n-1) +………+ h(N-1)*x(n-N)

This operation is mostly used in digital filter designing, DFT, FFT and many other DSP applications. A DSP is optimized to perform repetitive mathematical operations such as the dot product. There are five basic requirements of s DSP processor to optimize the performance They are

1) Fast arithmetic

2) Extended precision

3) Fast Execution - Dual operand fetch

4) Fast data exchange

5) Fast operations

6) Circular buffering

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Discrete Time Systems and Signal Processing : Digital Signal Processor : Requirements of DSP Processors |