USING THE CIRCULAR BUFFERS ON THE TMS320C5X

The TMS320C5x family has special memory-mapped registers and associated circuitry for two circular buffers. One of the eight auxiliary registers is used as a pointer into the circular buffer. Two memory-mapped registers are associated with each circular buffer that need to be initialized with the start and end address.

This document discusses how to use the circular buffers on the TMS320C5x to implement an input sample delay buffer for filtering, FFTs, and control system transfer function calculations.

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