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Ice Board

Ice Board is a FPGA development board containing the ICE40HX4k from Lattice.

Parts

  • Lattice ICE40HX4K FPGA
  • W25X20CL 2Mbit SPI Flash for storing configuration bitstream (104MHz)
  • USB-C for configuring the FPGA using IceBoard Programmer
    • Also has option for programming the flash with a external device though breakout headers
  • Requires 5V supply which can be supplied from either USB port or barrel jack (selectable with a header)
  • FTDI4222 for USB to SPI conversion
  • 64 x IO pins

3D Rendering of the PCB

About

A PCB for the Lattice ICE40 FPGA

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