Larger Gowin Tang board for projects that need substantially more logic than Tang Nano and Primer boards.
GW5AST-LV138FPG676Aprice unknownvideonetworkingdsprisc-v
Boards
Compare boards
Enter board slugs separated by commas, for example: sipeed/tang-nano-20k,icebreaker/icebreaker.
Gowin GW2A-18 dock-style board intended for secondary development with more connectors than Tang Nano boards.
GW2A-LV18PG256C8/I7open toolchainprice unknowneducationvideonetworkingrisc-v
| Field | Tang Mega 138K | Tang Primer 20K Dock |
|---|---|---|
| Chip | GW5AST-LV138FPG676A | GW2A-LV18PG256C8/I7 |
| Family | GW5A | GW2A |
| Device type | FPGA | FPGA |
| Price | unknown | unknown |
| Toolchains | Gowin EDA | Gowin EDA, Yosys + nextpnr-gowin + Apicula |
| Open toolchain | no | yes |
| Interfaces | not verified | Ethernet, HDMI, USB 2.0, SD card, JTAG/UART connector |
| Memory | not verified | DDR3 1 Gbit, NOR flash 64 Mbit |
| Documentation | 45 | 68 |
| Difficulty | professional | intermediate |
| Openness score | 35 | 70 |
| Where to get help | Sipeed forum | Sipeed forum |
| Typical risks | This entry intentionally avoids detailed connector claims until official board-revision documents are reviewed. | Dock-specific features must be checked against the dock revision documentation. |
| Better for | professional prototyping | open-source flow |