Open-source educational Lattice iCE40UP5K board designed around the Yosys, nextpnr and IceStorm flow.
iCE40UP5K-SG48open toolchainprice unknowneducationcontroldspformal
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Digilent Artix-7 board with Vivado WebPACK support, Pmods, Arduino/chipKIT style expansion, DDR3 and Ethernet.
XC7A35TICSG324-1Lprice unknowneducationrisc-vcontroldsp
| Field | iCEBreaker | Arty A7 |
|---|---|---|
| Chip | iCE40UP5K-SG48 | XC7A35TICSG324-1L |
| 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, USB UART, USB-JTAG |
| Memory | QSPI flash 128 Mbit | DDR3 variant-specific; verify in Digilent memory tab |
| Documentation | 82 | 86 |
| Difficulty | beginner | beginner |
| Openness score | 96 | 20 |
| Where to get help | iCEBreaker community docs | Digilent Forum |
| Typical risks | Check add-on pinout and exact hardware revision before connecting Pmods. | Variant-specific records should be split before publishing exact resources. 35T and 100T variants differ |
| Better for | open-source flow | beginner learning |