HSP43891 Data Sheet May 1999 File Number 2785.
5 Digital Filter The HSP43891 is a video-speed Digital Filter (DF) designed to efficiently implement vector operations such as FIR digital filters.
It is comprised of eight filter cells cascaded internally and a shift and add output stage, all in a single integrated circuit.
Each filter cell contains a 9x9 two’s complement multiplier, three decimation registers and a 26-bit accumulator.
The output stage contains an additional 26-bit accumulator which can add the contents of any filter cell accumulator to the output stage accumulator shifted right by 8-bits.
The HSP43891 has a maximum sample rate of 30MHz.
The effective multiply-accumulate (mac) ...

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