Digilent Artix-7 board with Vivado WebPACK support, Pmods, Arduino/chipKIT style expansion, DDR3 and Ethernet.
XC7A35TICSG324-1Lprice unknowneducationrisc-vcontroldsp
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Open-hardware Lattice ECP5 board used for open-source FPGA development, education, LiteX and retro-computing projects.
LFE5U-85F-6BG381Copen toolchainprice unknowneducationvideoretrorisc-v
| Field | Arty A7 | ULX3S |
|---|---|---|
| Chip | XC7A35TICSG324-1L | LFE5U-85F-6BG381C |
| Family | Artix-7 | ECP5 |
| Device type | FPGA | FPGA |
| Price | unknown | unknown |
| Toolchains | Vivado WebPACK / ML Standard | Yosys + nextpnr + Project Trellis |
| Open toolchain | no | yes |
| Interfaces | Ethernet, USB UART, USB-JTAG | Digital video connector, SD card, USB |
| Memory | DDR3 variant-specific; verify in Digilent memory tab | SDRAM varies by revision |
| Documentation | 86 | 72 |
| Difficulty | beginner | intermediate |
| Openness score | 20 | 95 |
| Where to get help | Digilent Forum | ULX3S project links |
| Typical risks | Variant-specific records should be split before publishing exact resources. 35T and 100T variants differ | Memory, USB and video details are revision-dependent; check the exact PCB revision. |
| Better for | beginner learning | open-source flow |