Gowin GW2A-18 dock-style board intended for secondary development with more connectors than Tang Nano boards.
GW2A-LV18PG256C8/I7open toolchainprice unknowneducationvideonetworkingrisc-v
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Enter board slugs separated by commas, for example: sipeed/tang-nano-20k,icebreaker/icebreaker.
Small Gowin GW1NR board for low-cost learning, HDMI experiments, softcore demos, and open-source Gowin flow exploration.
GW1NR-LV9QN88PC6/I5open toolchain14.5 USDeducationvideorisc-vretro
| Field | Tang Primer 20K Dock | Tang Nano 9K |
|---|---|---|
| Chip | GW2A-LV18PG256C8/I7 | GW1NR-LV9QN88PC6/I5 |
| Family | GW2A | GW1NR / LittleBee |
| Device type | FPGA | FPGA |
| Price | unknown | 14.5 USD |
| Toolchains | Gowin EDA, Yosys + nextpnr-gowin + Apicula | Gowin EDA, Yosys + nextpnr-gowin + Apicula |
| Open toolchain | yes | yes |
| Interfaces | Ethernet, HDMI, USB 2.0, SD card, JTAG/UART connector | HDMI, USB Type-C, Onboard JTAG, USB UART |
| Memory | DDR3 1 Gbit, NOR flash 64 Mbit | PSRAM 64 Mbit, Onboard flash 32 Mbit |
| Documentation | 68 | 70 |
| Difficulty | intermediate | beginner |
| Openness score | 70 | 72 |
| Where to get help | Sipeed forum | r/GowinFPGA |
| Typical risks | Dock-specific features must be checked against the dock revision documentation. | Pinout and constraints must be taken from the exact board revision files, not inferred from this catalog entry. Open-source flow is feature-dependent |
| Better for | open-source flow | beginner learning |