icoBoard Small FPGA Board with Lattice iCE40

Trenz Electronic's icoBoard with 8 MBit SRAM for learners and tinkerers

Image of Trenz's icoBoard Small FPGA Board with Lattice iCE40Trenz Electronic's icoBoard contains a Lattice FPGA with 8 k LUT, 100 MHz maximum clock, 8 MBit of SRAM, and is programmable in Verilog by a complete open-source FPGA toolchain. The icoBoard is pin-compatible with the RaspberryPi 2B and all versions and any board using the same pinout. Bitstreams for programming the FPGA can be directly generated on the RaspberryPi.

The ICE40 FPGA is a low-cost FPGA without special hardware blocks like multipliers or SerDes or SDRAM interfaces. With its 8 k LUT it is one of the smaller FPGAs, but large enough to hold substantial projects like a complete RISC-V 32-bit SoC. The icoBoard is a perfect learning tool to get the feet wet with logic circuit design in Verilog without having to do the heavy lifting of the professional huge programming tools from Xilinx or Altera. The Pmod connectors make it very easy to work with a wide variety of sensors and interfaces. A selection of PMod sensors can be found at https://www.digikey.com/en/product-highlight/d/digilent/pmods.

If the icoBoard is connected to the RaspberryPi, power is supplied by the RaspberryPi. If the icoBoard is operated standalone, 5 V of power needs to be provided to the power supply pins.

Features
  • Lattice ICE40HX8k
  • Mainly for learners and tinkerers
  • Supported by the open source toolchain icoTC consisting of Yosys, ArachnePnR, and IceStorm
  • Four Pmod connectors with unbuffered 3.3 V interfaces
  • 4 x 16 100 mils I/O connectors
  • 16-bit-wide 8 MBit SRAM
  • 8-bit-wide 64 MBit HyperRAM
  • 16 MByte SPI Flash memory for storing 4 bitstreams or data
  • Three programmable status LEDs, green
  • Two push buttons
  • Four flat flex connectors with 36 3.3 I/O lines each

icoBoard Small FPGA Board

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
ICOBOARD 1MBIT SRAM NEW REVTE0887-03MICOBOARD 1MBIT SRAM NEW REV16 - Immediate
TE0887-03M product page link

iCE40

ImageManufacturer Part NumberDescriptionNumber of I/OAvailable QuantityView Details
ICE40HX8K-CB132 datasheet linkIC FPGA 95 I/O 132CSBGAICE40HX8K-CB132IC FPGA 95 I/O 132CSBGA95514 - Immediate
ICE40HX8K-CB132 product page link
ICE40HX8K-CT256 datasheet linkIC FPGA 206 I/O 256CABGAICE40HX8K-CT256IC FPGA 206 I/O 256CABGA206625 - Immediate
ICE40HX8K-CT256 product page link
ICE40HX8K-CM225 datasheet linkIC FPGA 178 I/O 225UCBGAICE40HX8K-CM225IC FPGA 178 I/O 225UCBGA178216 - Immediate
ICE40HX8K-CM225 product page link
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Published: 2018-07-11