10x10cm PCB variant of MIST FPGA project
Tech specs:
- EP3C25E144 FPGA
- 32M of SDRAM
- VGA video output
- PAL video + audio output via 3.5 jack connector (raspberry-pi compatible pinout)
- 4xUSB ports for keyboard, mouse and joysticks
- 2xDB-9 ports for Amiga mouse and joysticks
- SD/microSD card slot
- RTC (clock) with battery
- Tape input
- ESP-01 WiFi module
- MicroUSB power supply
- Board optimized for G738 and G706 cases
Some random photos: link
- Rev.A - first revision. Please note the errata.
- Rev.A1:
- fixed all rev.A issues
- LM3940IS-3.3 replaced to NCP1117-3.3
- sound output circuit has been replaced with the original one from the MIST 1.3 circuit
- C39, C40, C80 tantalum capacitors has been replaced by aluminum electrolytic capacitors
- removed useless internal speaker
- Rev.A2:
- C41, C68, C69 10uf ceramic capacitors has been replaced with 22uf tantalum
- added C74 ceramic capacitor near esp-01 module