Source is available, but commercial use may require a separate license.
P1M4-M5 candidateManually reviewedgithub
AccelFury af-pdm-rx
Raw PDM RX core на Verilog-2001 для MEMS microphones: генерирует PDM clock, сэмплирует 1-битный поток и выдаёт valid/ready stream. Не выполняет PDM-to-PCM decimation.
Primary risk
How to read riskThe risk banner compresses license clarity and review state into a short verdict. Integration decisions still need tests, synthesis, and board evidence.There are blocking license or reuse risksA separate commercial license may be required.
Source-available limitationManually reviewed
Warnings
4The core does not include a decimator/CIC/FIR pipeline.
Confirmed board evidence with a real microphone is still missing.
Check clock/reset handling and constraints before integration.
Purpose and boundaries
Raw PDM RX core на Verilog-2001 для MEMS microphones: генерирует PDM clock, сэмплирует 1-битный поток и выдаёт valid/ready stream. Не выполняет PDM-to-PCM decimation.
Core kind and readiness
Readiness focusIf the status is not yet reproduced, close license, tests, and board-level evidence gaps first. The fields below are for quick scope checking.Core kind
audioVerilog-2001
Interfaces / buses / flow
PDMVerilator
Still missing before production
2- No reproducible tests or CI smoke are confirmed yet.
- Documentation does not yet look sufficient for quick integration.
Scores
What scores meanEach scale is independent. High usefulness does not cancel a license blocker, and high confidence does not replace board evidence.Quality48
Usefulness72
Integration49
Verification37
Docs40
License42
Beginner42
Professional68
RAG55
Confidence20
Engineering signals
Signals legendSignals show whether useful engineering artefacts are visible. "Yes" does not imply completeness, and "No" often means missing evidence rather than impossible support.TestsTests: current metadata says No.
CICI: current metadata says No.
FormalFormal: current metadata says No.
DocsDocs: current metadata says No.
FuseSoCFuseSoC: current metadata says No.
Board demoBoard demo: current metadata says Yes.
Open flowOpen flow: current metadata says No.
CommercialCommercial: current metadata says Review.
License matrix
Why split by scopeHDL, docs, tests, and generated artifacts can carry different terms. Commercial use is split out so each card does not repeat the same prose.HDLAccelFury Source Available
DocumentationAccelFury Source Available
TestsUnknown
ExamplesUnknown
ArtifactsUnknown
Commercial useManual review required
Board compatibility
| Board | Status | Evidence status | Toolchain |
|---|---|---|---|
| Tang Primer 20K Dock | Synthesized for target | build/program evidence exists; microphone measurement pending | Gowin/Yosys-nextpnr-apicula review |
| Tang Nano 20K | Likely compatible | same Gowin resource class; board constraints and real MEMS microphone test required | Gowin/Yosys-nextpnr-apicula review |
Evidence matrix
How to read evidenceEach group only shows confirmed links. The confidence floor is a lower trust bound, not an absolute verdict.Local verification
1- Try a synthesis smoke run with: Verilator.