{"product_id":"re2-sn76489-project-re-birth-2nd-sound-card","title":"RE2-SN76489 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make classic sound chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-SN76489\u003c\/strong\u003e is an SN76489 PSG sound card designed for the SPFM series. The circuit is fully redesigned and compatible with the RE:birth bus. It can be used with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and other compatible motherboards.\u003c\/p\u003e\u003ch2\u003eAbout the SN76489 Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSN76489\u003c\/strong\u003e is Texas Instruments' iconic \u003cstrong\u003eProgrammable Sound Generator (PSG)\u003c\/strong\u003e, featuring \u003cstrong\u003e3 square wave tone channels\u003c\/strong\u003e and \u003cstrong\u003e1 noise channel\u003c\/strong\u003e. It is one of the most recognizable chips in gaming history, powering the audio of the \u003cstrong\u003eSega Master System\u003c\/strong\u003e, \u003cstrong\u003eSega Mega Drive \/ Genesis\u003c\/strong\u003e (as a secondary PSG alongside the YM2612), \u003cstrong\u003eBBC Micro\u003c\/strong\u003e, \u003cstrong\u003eColecoVision\u003c\/strong\u003e, \u003cstrong\u003eTI-99\/4A\u003c\/strong\u003e, and countless arcade boards.\u003c\/p\u003e\u003cp\u003eThe SN76489's crisp, buzzy square waves and characteristic noise channel are instantly recognizable to retro gaming fans. From Sonic the Hedgehog's jingles to BBC Micro game music, this chip's voice defined an era of home computing and gaming.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAuthentic SN76489 PSG — 3 tone channels + 1 noise channel\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003ePSG:\u003c\/strong\u003e SN76489, SN76489A, SN76496, NCT8496, SMSJ\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Did I Make It?\u003c\/h2\u003e\u003cp\u003eThe SN76489 is the perfect companion chip for OPN2\/OPN2C modules — just as it was in the original Mega Drive hardware. Pairing a RE2-SN76489 with a RE2-YM2612 or RE2-YMF276 in your SPFM system gives you the complete, authentic Mega Drive sound experience: FM music from the YM2612 and PSG effects\/jingles from the SN76489, exactly as the original hardware intended.\u003c\/p\u003e\u003cp\u003eThe RE:birth module design philosophy pursues the ultimate in sound quality, standardized appearance, and thoughtful bus layout with proper ground plane isolation — just like a textbook.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46179388326085,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/04_4069f0ae-2207-4733-9a68-cb8edf102cd4.jpg?v=1778037623","url":"https:\/\/denjhang.myshopify.com\/products\/re2-sn76489-project-re-birth-2nd-sound-card","provider":"Denjhang's Retro Hardware","version":"1.0","type":"link"}