M-Labs/nix-servo
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Author SHA1 Message Date
linuswck
bd27e93a73 gateware: Revert IIR Coeff Width to 18bit 
- Revert commit 25dd0db. Related Issue: #40.
- Fail to meet timing for IIR Filter's Multiply and Add operation as
    multiplication operation cannot be fitted inside a single DSP
    Slice (25b x 18b). Thus, multiple DSPs are needed for multiplication.
    This causes timing violation at 100MHz and 125MHz sys frequency.
 2025-01-13 11:16:35 +08:00