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Butterstick FPGA Development Board

Butterstick FPGA Development Board


Regular price $199.99 USD
Regular price $219.99 USD Sale price $199.99 USD
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The ButterStick is an FPGA development board. Building off the OrangeCrab, the Butterstick's primary focus is exposing lots of fast I/O pins. To achieve this goal it makes use of the SYZYGY peripheral connector standard. The board features High-speed USB and Gigabit Ethernet for high-speed input/output to a computer. Additionally there is 256MB (2Gbits) of onboard DDR3L memory.

The development board makes use of the ECP5 FPGA from Lattice which is fully compatible with the open-source FPGA synthesis flow.

Features at a glance

  • Compact Size
  • High speed USB (480Mbit/s)
  • Gigabit Ethernet
  • DDR3L Memory (2Gbits)
  • SYZYGY compatible
  • 82 I/O pins
  • 5Gbps SERDES (upto 4x tx/rx lanes)

Hardware Overview

  • Lattice ECP5  85F FPGA in BGA381 package
  • 2Gbit DDR3L Memory
  • USB-C USB2.0 connection
    • High-speed (480Mbit) ULPI PHY
  • Non-volatile Storage
    • 128Mbit QSPI FLASH Memory
    • MicroSD socket
      • 4bit SD interface (CK, CMD, DAT0-3)
  • Power supply
    • USB-C 5V input.
    • Aux 5V power input.
  • Onboard oscillators
    • 60Mhz
    • 25MHz (RGMII PHY)
  • Convenient 0.1" JTAG connector
  • User I/O
    • 2x Button
    • 7x RGB LED
    • SYZYGY A,B (Standard)
      • Adjustable VCCIO 1.2V-3.3V
      • up to 32 single ended I/O
      • 10 differential pairs
      • Dedicated clock input pins
    • SYZYGY C (Transceiver)
      • Adjustable VCCIO 1.2V-3.3V
      • up to 14 single ended I/O
      • 4x Lanes RX (5Gbps)
      • 4x Lanes TX (5Gbps)
      • 1x Reference clock input
  • Board dimensions
    • Dimensions: 80mm x 49mm

ButterStick-r1.0-2G-85F | 


LFE5UM5G-85F-8BG381C    |

2x MT41K64M16TW-107:J TR|


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