Block Diagram

Board Specifications


  • Virtex UltraScale+
    • VU3P in C1517 package
    • Core speed grade – 2
  • Contact BittWare for VU3P FPGA options

On-board memory

  • Flash memory for booting FPGA
  • Two banks of up to 16 GB DDR4 (x72)

Host interface

  • x16 Gen3 interface direct to FPGA

Utility header

  • Micro USB for BMC access and programming Flash

Timestamping (optional)

  • 1 PPS input/output
  • Reference clock input/output

QSFP cages

  • 2 QSFP28 (zQSFP) cages on front panel connected directly to FPGA via 8 transceivers
  • Each supports 100GbE, 40GbE, 4x 25GbE, or 4x 10GbE and can be combined for 400GbE

Board Management Controller

  • Voltage, current, temperature monitoring
  • Power sequencing and reset
  • Field upgrades
  • FPGA configuration and control
  • Clock configuration
  • I2C bus access
  • USB 2.0
  • Voltage overrides


  • Standard: single-width active heatsink


  • On-board power derived from 12V PCIe slot
  • Power dissipation is application dependent


  • Operating temperature 5°C to 35°C

Form factor

  • Low profile (half-height, half-length) PCIe slot board
  • 6.6 x 3.85 inches

Development Tools

System development

  • BittWorks II Toolkit – host, command, and debug tools for BittWare hardware

FPGA development

  • FPGA Examples – example Vivado projects
  • Xilinx Tools – Vivado® Design Suite