Description
Mirabelle is a timeless personal console / computer designed as a simple but complete platform for custom SOC/OS development.
Currently available for pre-order. Final appearance, specifications and features subject to change.
Expected to ship in Q4 2026.
Specifications
- Lattice ECP5 FPGA (LFE5U-25F)
- 24K LUTs
- 2 PLLs
- 8MB (64Mbit) QSPI/SPI PSRAM
- 2MB (16Mbit) NOR Flash (via included user-replaceable MMOD module)
- 8KB (64Kbit) Ferroelectric RAM
- Lifespan: 95 years @ +55C, over 200 years @ +35C
- Endurance: 10^12 read/write cycles @ +85C
- VGA port (RGB332 DAC supports up to 256 colors)
- 10/100Mbps Ethernet port with W5500 SPI controller
- 2 USB host ports
- 1 USB-C port for power, JTAG configuration and serial console
- MicroSD card slot
- 3.5mm TRRS Jack
- Stereo audio output (requires FPGA-based delta-sigma DAC)
- 4-bit composite video DAC
- RGB LED
- Supervisor MCU (RP2040, dual 32-bit ARM Cortex M0+)
- 32Mbit (4MB) QSPI NOR Flash (for firmware)
- Clock output to FPGA
- 72mm x 72mm board dimensions (revision V0)
Resources
- Example gateware, PCB layouts, schematics, documentation and a 3D-printable case will be made available on GitHub
- Mirabelle will be supported by our work-in-progress Zeitlos SOC/OS
