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Sipeed Tang Nano FPGA Board Powered by GW1N-1 FPGA


Sipeed Tang Nano FPGA board powered by GW1N-1 FPGA board carries a low power core chip GW1N-1-LV, this chip has 1152 LUT4 RAM, 864 FF(Flip-Flop), 72K Block SRAM. This board is compatible with a 5 inches 800*480 screen for the FPGA board.


Main Features

  • GW1N-1-LV:1152 LUT4, 864 FF(Flip-Flop)
  • 72K B-SRAM(bits); 96K user flash(bits); 1 PLL
  • Support a 5 inches 800*480 screen
  • Onboard JTAG Downloader
  • Not support for DSP
  • Small size, low cost


You may not believe in your eyes when you see such a low price FPGA development board, but it is true! This Sipeed Tang Nano FPGA board powered by GW1N-1 FPGA  board will be a nice choice for you to accomplish some subentries. Don’t worry about its small size; it is well equipped with many elements for an FPGA development board.


Sipeed Tang Nano FPGA board powered by GW1N-1 FPGA board carries a low power core chip GW1N-1-LV, this chip has 1152 LUT4 which contains 4 address for RAM and 864 FF(Flip-Flop). The block SRAM in this tiny FPGA board is 72K, so you have 72kbits to save data. Unfortunately, due to the size limitation, this board doesn’t include a DSP module, as a matter of fact, you can’t do the complex calculation like accumulation or multipliers cascading based on this board.


Besides those main features for an FPGA board above, this board contains rich I/O PINs with the number of 34 and a USB Type-C interface for the power supply and downloading code. There is a  JTAG downloader on the FPGA board, so you can simply use a USB cable connecting to the board to download the code without an extra downloader outside the board. The most important feather is that this board has a 40 Pin FPC LCD carrier which means a 40 PIN RGB LCD Screen can be equipped on the board! The 5 inches 800*480 screen is especially compatible with this FPGA board, for your better experience with the board, we suggest you purchase them in a bundle.

Tang nano framework


  • FPGA chip GWIN-1-LV: LUT4 1152, Flip-Flop 864, BSRAM(bits) 72K, USER Flash(bits)  96K, PLLs+DLLs 1+0, Core voltage 1.2V
  • Download method: Simply plug in the USB cable and download it via the onboard downloader.
  • Power circuit: Each Bank occupies a separate LDO power chip (except BANK0/3). Adjust the I/O level of BANK1 and BANK2 by replacing the LDO chip by yourself.
  • 40P FPC LCD carrier: Standard 40 RGB LCD interface. On-board screen backlight driver circuit(default normally open, EN pin can be connected to FPGA)
  • I/O: 34 I/O ports and multiple power pins on both sides. Both sides of the pins can be directly inserted into the breadboard.
  • Onboard PSRAM chip: Capacity: 64Mbits Voltage: 3.3V
  • Power supply and download interface: USB-Type-C interface
  • RGB LED: Onboard small size RGB LED
  • Button: 2 3X4mm buttons onboard
  • Crystal oscillator: Onboard 24Mhz crystal oscillator(started by CH552)
  • External supply voltage demand: 5.0V±0.2V
  • External supply current demand: >[email protected]
  • Temperature rise: <30K
  • Range of working temperature: −30°C~50°C


If you would like to use more FPGA boards for further study or work, we recommend the following board.


HSCODE 8543709990
USHSCODE 8471490000
EUHSCODE 8543709099
RoHS 1




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  1. Product Quality
    from order view
    I bought this just out of curiosity but I lack the understanding of how to use those FPGA's and have therefore not been able to do anything other than run the sample code.
    I simply do not have the knowledge to evaluate if it's good or not so I wont say anything more about it.
  2. Product Quality
    from order view
    basic fpga
  3. Product Quality
    from order view
    Great introduction to FPGA devices
  4. Product Quality
    Nice as an extension to some MCU
    Really nice building block for many projects, and you can afford having many of those.

    The firmware of the ch552t usb interface needs an update to allow UART communications with the FPGA. The factory default version doesn't talk through UART, even if there are TX/RX links between fpga and ch552 chips.
  5. Product Quality
    Good as first FPGA
    Software not ease to use but board itself is amazing for such price.

    Source code of DVD screensaver:


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