SNES 2 MB Cartridge PCB without save

A custom Super Nintendo (SNES) cartridge PCB designed in KiCad for development, testing, and reproduction of SNES games with ROM sizes up to 2 MB (16 Mbit).

The board is based on the M27C160 16-Mbit EPROM and provides configurable jumpers for memory mapping and cartridge configuration, supporting LoROM and HiROM layouts without additional multiplexer ICs.

Key Features

• Up to 2 MB / 16 Mbit ROM capacity
• M27C160 EPROM support
• LoROM / HiROM configurable via jumpers
• SNES-compatible cartridge edge connector
• Simple, low-component-count architecture
• Custom PCB designed and routed in KiCad
• Designed for use with original SNES hardware

Bill of Materials

M27C160 16 Mbit / 2 MB EPROM (You need to use lunarexpand to expand rom's less than 16Mbit)

PIC12F629 to SuperCIC (go to github to get supercic code)

Resistors (10K Ceramic Resistor)

Capacitors (1x 22uF 16V or more electrolytic capacitor / 2x 100nF Capacitor 104)

Design tools: KiCad

Target platform: Nintendo Super Famicom / Super Nintendo Entertainment System (SNES)