wave.dsp.fir

stable

v3.2.1

Author: WaveForm DSP

License: LGPL-3.0

Parameterized FIR filter with configurable taps and coefficients. Supports fixed-point and floating-point arithmetic.

Interfaces

Name	Type	Role	Width
s_axis_data	AXI4-Stream	slave	32
m_axis_data	AXI4-Stream	master	32
s_axis_coeff	AXI4-Stream	slave	32
ctrl	AXI-Lite	slave	32

Parameters

Name	Type	Default	Constraints
NUM_TAPS	integer	32	4-256
DATA_WIDTH	integer	16	8, 16, 24, 32
COEFF_WIDTH	integer	16	8, 16, 24, 32
ARITHMETIC	string	FIXED	FIXED, FLOAT

Compatibility

Clock Domains

Single clock domain

Reset Semantics

Synchronous active-high reset

Tool Support

Vivado 2022.2+Quartus 22.1+

Verification

Tests

Impulse response
Frequency response
Coefficient reload

Simulators

VCSQuestaVerilator

Coverage

96% functional coverage

Build Proof

Target	Tool	Status	Fmax	Resources
Xilinx Zynq-7000	Vivado 2023.2	Pass	200 MHz	2,450 LUTs + 32 DSPs
Intel Cyclone V	Quartus 23.1	Pass	185 MHz	2,800 ALMs + 32 DSPs

Manifest

ip.yaml

name: wave.dsp.fir
version: 3.2.1
license: LGPL-3.0
author: WaveForm DSP

description: >
  Parameterized FIR filter with configurable
  taps and coefficients.

interfaces:
  s_axis_data:
    type: axi4-stream
    role: slave
    width: DATA_WIDTH
  m_axis_data:
    type: axi4-stream
    role: master
    width: DATA_WIDTH
  s_axis_coeff:
    type: axi4-stream
    role: slave
  ctrl:
    type: axi-lite
    role: slave

parameters:
  NUM_TAPS:
    type: integer
    default: 32
    range: [4, 256]
  DATA_WIDTH:
    type: integer
    default: 16
    values: [8, 16, 24, 32]

targets:
  - vivado
  - quartus