{"id":16960887,"url":"https://github.com/colltoaction/edu-ciaa-fpga","last_synced_at":"2026-02-25T02:33:19.336Z","repository":{"id":251646460,"uuid":"838019821","full_name":"colltoaction/edu-ciaa-fpga","owner":"colltoaction","description":"Open hardware descriptions for reversible computers","archived":false,"fork":false,"pushed_at":"2024-10-24T19:06:24.000Z","size":26,"stargazers_count":2,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2026-01-22T04:50:23.773Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"cc0-1.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/colltoaction.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-08-04T17:52:28.000Z","updated_at":"2024-10-24T19:06:27.000Z","dependencies_parsed_at":"2024-10-24T23:30:31.178Z","dependency_job_id":"15d795bf-a3bd-4dc1-b9c3-09a1432028d3","html_url":"https://github.com/colltoaction/edu-ciaa-fpga","commit_stats":null,"previous_names":["colltoaction/edu-ciaa-fpga"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/colltoaction/edu-ciaa-fpga","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/colltoaction%2Fedu-ciaa-fpga","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/colltoaction%2Fedu-ciaa-fpga/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/colltoaction%2Fedu-ciaa-fpga/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/colltoaction%2Fedu-ciaa-fpga/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/colltoaction","download_url":"https://codeload.github.com/colltoaction/edu-ciaa-fpga/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/colltoaction%2Fedu-ciaa-fpga/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":29809086,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-02-24T22:43:48.403Z","status":"online","status_checked_at":"2026-02-25T02:00:07.329Z","response_time":61,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-10-13T22:50:28.471Z","updated_at":"2026-02-25T02:33:19.311Z","avatar_url":"https://github.com/colltoaction.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"# Desarrollos de hardware sobre la plataforma EDU-CIAA-FPGA\n\n* http://www.proyecto-ciaa.com.ar/devwiki/doku.php%3Fid=desarrollo:edu-fpga.html\n* https://gitlab.com/RamadrianG/wiki---fpga-para-todos/-/wikis/home\n\n\n## Compuertas reversibles\n\nEs de especial interes el area de [Computacion Reversible] para construir la computacion del futuro. Para construir circuitos reversibles va a ser indispensable que todas las primitivas (como los registros) sean reversibles.\n\nEste video explica todo clarísimo: https://youtu.be/FJ0DqQde3p0\n\nImplementaremos las compuertas de: https://digitalcommons.usf.edu/cgi/viewcontent.cgi?article=5371\u0026context=etd\n\n\n### CNOT\n\nLa puerta NOT controlada [CNOT] es la unica reversible de dos bits. CNOT no es una compuerta universal, por lo tanto debemos usar las compuertas de orden siguiente: Fredkin y Toffoli. Circuitos compuestos por estas compuertas de tres bits pueden implementar cualquier funcion logica.\n\n### Fredkin CCSWAP y Toffoli CCNOT\n\nLa [Puerta Toffoli] (CCNOT) y la [Puerta Fredkin] (CCSWAP) son las unicas reversibles de tres bits. Su codigo resulta sencillo y se puede probar con Icestudio usando los archivos `FredkinGate.ice` y `ToffoliGate.ice`.\n\n## PLB reversible\n\nPodemos aprovechar la arquitectura del PLB para implementar una compuerta generalizada a 8 bits. Si bien el PLB tiene 32 inputs, la cantidad de outputs es 8. Los 24 bits restantes funcionan como bits de control de esta unidad lógica de 1 byte de entrada y 1 byte de salida.\n\n## Board reversible\n\nPodemos configurar cada PLB para conectar su carry en vertical y sus puertos a otros PLBs adyacentes. Esta arquitectura evita conexiones distantes y aprovecha todos los PLBs, y todos sus puertos incluyendo carries, inputs y outputs.\n\n\n[CNOT]: https://es.wikipedia.org/wiki/Puerta_NOT_controlada\n[Computacion Reversible]: https://es.wikipedia.org/wiki/Computaci%C3%B3n_reversible\n[Puerta Toffoli]: https://en.wikipedia.org/wiki/Toffoli_gate\n[Puerta Fredkin]: https://en.wikipedia.org/wiki/Fredkin_gate\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcolltoaction%2Fedu-ciaa-fpga","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcolltoaction%2Fedu-ciaa-fpga","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcolltoaction%2Fedu-ciaa-fpga/lists"}