Master System Carts

Revision for “Master System Carts” created on February 14, 2017 @ 14:01:22

Title
Master System Carts
Content
The Master System Flash cart support the Sega Mapper implemented in an Altera EPM3064 with up to 8Mbit with a x29Fx00 Flash IC in a TSOP48 package. Two pages of SRAM (32KB total) can be battery-backed for save files. [toc] <h1>8Mbit SRAM SMT</h1> <h2>Specifications</h2> <ul> <li>Sega Mapper supporting 8Mbits and 32KB SRAM <ul> <li>VHDL source <a href="https://github.com/db-electronics/SMSFlashCart/tree/master/SimpleMapper">available here</a></li> </ul> </li> <li>Advanced battery circuit ensures no leakage through #CE pin without expensive battery monitor IC</li> <li>Battery can be replaced without any soldering</li> </ul> <h2>Schematic</h2> [google-drive-embed url="https://drive.google.com/file/d/0BxWY40xxhh0vVEJvWGNKSVZkMnM/preview?usp=drivesdk" title="SMSCart_rev-1.0.pdf" icon="https://ssl.gstatic.com/docs/doclist/images/icon_12_pdf_list.png" width="100%" height="600" style="embed"] <h2>Dimensions</h2> Sega Master System cartridge PCBs are 1.6mm thick. [google-drive-embed url="https://drive.google.com/file/d/0BxWY40xxhh0vRlRSaE94ZFVzWTA/preview?usp=drivesdk" title="SMSCart_PCB_rev-1.0.pdf" icon="https://ssl.gstatic.com/docs/doclist/images/icon_12_pdf_list.png" width="100%" height="650" style="embed"] &nbsp;
Excerpt


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February 14, 2017 @ 14:01:22 René
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René

Electronics engineer and retrogaming fanatic!