What are the major changes in the programming model of the IIR accelerator on ADSP-SC58x/ADSP-2158x as compared to ADSP-214xx processors?

Document created by Mitesh Employee on Jun 3, 2015
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  • Unlike in ADSP-214xx, you don't need to enable the IIR accelerator in PMCTL1 register explicitly in ADSP-SC58x/ADSP-2158x.
  • Unlike as in ADSP-214xx, the byte address of the input/output/coefficient buffers should be converted in to word address (by right shifting the byte address by 2 bits) for initializing the IIR index/base registers.

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