Open-source educational Lattice iCE40UP5K board designed around the Yosys, nextpnr and IceStorm flow.
iCE40UP5K-SG48open toolchainprice unknowneducationcontroldspformal
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Enter board slugs separated by commas, for example: sipeed/tang-nano-20k,icebreaker/icebreaker.
Larger Digilent Artix-7 trainer board for courses needing more peripherals than Basys 3.
XC7A100T-1CSG324Cprice unknowneducationvideoaudiorisc-v
| Field | iCEBreaker | Nexys A7 |
|---|---|---|
| Chip | iCE40UP5K-SG48 | XC7A100T-1CSG324C |
| Family | iCE40 UltraPlus | Artix-7 |
| Device type | FPGA | FPGA |
| Price | unknown | unknown |
| Toolchains | Yosys + nextpnr + IceStorm, Lattice Diamond Programmer | Vivado WebPACK / ML Standard |
| Open toolchain | yes | no |
| Interfaces | microUSB FT2232H, FT2232H programming, USB serial | Ethernet, VGA, USB |
| Memory | QSPI flash 128 Mbit | DDR2 requires verification from Digilent resource center |
| Documentation | 82 | 82 |
| Difficulty | beginner | beginner |
| Openness score | 96 | 15 |
| Where to get help | iCEBreaker community docs | Digilent Forum |
| Typical risks | Check add-on pinout and exact hardware revision before connecting Pmods. | Split 50T/100T variants before publishing exact resource counts. |
| Better for | open-source flow | beginner learning |