HDL Coder Filter Latency
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Hi
Ive complied a fully paralell FIR filter using the FilterDesigner and HDL Coder and it reported the latency as 2. I am struggling to understand what the latency is exactly, is it the number of clocks required for a valid output? - 1 clock for multiplication and another for summing, but if so would the delay pipeline not also require a clock cycle?
-- -------------------------------
-- Filter Structure : Direct-Form FIR
-- Filter Length : 65
-- Stable : Yes
-- Linear Phase : Yes (Type 1)
-- Arithmetic : fixed
-- Numerator : s16,15 -> [-1 1)
-- Input : s16,15 -> [-1 1)
-- Filter Internals : Full Precision
-- Output : s33,30 -> [-4 4) (auto determined)
-- Product : s31,30 -> [-1 1) (auto determined)
-- Accumulator : s33,30 -> [-4 4) (auto determined)
-- Round Mode : No rounding
-- Overflow Mode : No overflow
-- -------------------------------------------------------------
Thanks in advance.
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