Description
Obst is an FPGA computer for timeless and retro/custom systems.
Note: Linux is not currently supported on Obst but may be possible with QQSPI.
Specifications
- Lattice ECP5 FPGA (LFE5U-12F)
- 24K LUTs when using open-source tools
- 2 PLLs
- 8Mbit (1MB) 32-bit 10ns SRAM (2 x 256Kb x 16) or 16Mbit (2MB) 32-bit 10ns SRAM (2 x 512Kb x 16)
- 2MB (16Mbit) NOR Flash (via user-replaceable MMOD module)
- VGA port (up to 512 colors)
- 2 USB host ports
- 2 PS/2 ports
- USB-C port for power and DFU configuration
- 2 Pmod™ compatible expansion ports
- MMOD memory socket
- MicroSD card slot
- 3.5mm Stereo Audio Line Out
- 1-bit stereo audio DAC
- 4-bit composite video DAC
- RGB LED
- 100mm x 62mm board dimensions (V0)
Optional Accessories
- Obst Case
- QQSPI PMOD (32MB PSRAM)
Resources
- Open-source schematics, PCB layouts, gateware, firmware, a 3D-printable case and documentation are available on GitHub
Origin
- Designed in Germany
- PCB manufactured and assembled in Germany
- Tested, packaged and shipped from Germany
