Larger Gowin Tang board for projects that need substantially more logic than Tang Nano and Primer boards.
GW5AST-LV138FPG676Aprice unknownvideonetworkingdsprisc-v
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Compact Gowin GW2AR board with HDMI, audio amplifier, TF card slot, SDRAM, and onboard debugger.
GW2AR-LV18QN88C8/I7open toolchain28.17 USDeducationvideoaudiorisc-v
| Field | Tang Mega 138K | Tang Nano 20K |
|---|---|---|
| Chip | GW5AST-LV138FPG676A | GW2AR-LV18QN88C8/I7 |
| Family | GW5A | GW2A/GW2AR |
| Device type | FPGA | FPGA |
| Price | unknown | 28.17 USD |
| Toolchains | Gowin EDA | Gowin EDA, Yosys + nextpnr-gowin + Apicula |
| Open toolchain | no | yes |
| Interfaces | not verified | HDMI, MAX98357A I2S amplifier path, TF card slot, USB Type-C, Onboard BL616 JTAG, USB UART |
| Memory | not verified | 32-bit SDR SDRAM 64 Mbit, Onboard flash 64 Mbit |
| Documentation | 45 | 78 |
| Difficulty | professional | beginner |
| Openness score | 35 | 76 |
| Where to get help | Sipeed forum | Sipeed forum, r/GowinFPGA |
| Typical risks | This entry intentionally avoids detailed connector claims until official board-revision documents are reviewed. | Verify exact board revision before using pin labels, constraints, or power assumptions. Onboard debugger recognition Flash persistence mode |
| Better for | professional prototyping | beginner learning |