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HSP43891 pdf datasheet(Digital

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The HSP43891 is a video-speed Digital Filter (DF)designed to efficiently implement vector operaTIons such asFIR digital filters. It is comprised of eight filter cellscascaded internally and a shift and add output stage, all ina single integrated circuit. Each filter cell contains a 9x9two’s complement mulTIplier, three decimaTIon registers anda 26-bit accumulator. The output stage contains anaddiTIonal 26-bit accumulator which can add the contents ofany filter cell accumulator to the output stage accumulatorshifted right by 8-bits. The HSP43891 has a maximumsample rate of 30MHz. The effective multiply-accumulate(mac) rate is 240MHz.The HSP43891 DF can be
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