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Nexys™4 Artix-7 FPGA Board


The Nexys4 board is a complete, ready-to-use digital circuit development platform based on the latest Artix-7™ Field Programmable Gate Array (FPGA) from Xilinx. With its large, high-capacity FPGA (Xilinx part number XC7A100T-1CSG324C), generous external memories, and collection of USB, Ethernet, and other ports, the Nexys4 can host designs ranging from introductory combinational circuits to powerful embedded processors. Several built-in peripherals, including an accelerometer, temperature sensor, MEMs digital microphone, speaker amplifier and lots of I/O devices allow the Nexys4 to be used for a wide range of designs without needing any other components.

The Artix-7 FPGA is optimized for high performance logic, and offers more capacity, higher performance, and more resources than earlier designs. Artix-7 100T features include:
  • 15,850 logic slices, each with four 6-input LUTs and 8 flip-flops
  • 4,860 Kbits of fast block RAM
  • Six clock management tiles, each with phase-locked loop (PLL)
  • 240 DSP slices
  • Internal clock speeds exceeding 450MHz
  • On-chip analog-to-digital converter (XADC)
The Nexys4 also offers an improved collection of ports and peripherals, including:
  • 16 user switches
  • USB-UART Bridge
  • 12-bit VGA output
  • 3-axis accelerometer
  • 16Mbyte CellularRAM
  • Pmod for XADC signals
  • 16 user LEDs
  • Two tri-color LEDs
  • PWM audio output
  • Temperature sensor
  • Serial Flash
  • Digilent USB-JTAG port for FPGA programming and communication
  • Two 4-digit 7-segment displays
  • Micro SD card connector
  • PDM microphone
  • 10/100 Ethernet PHY
  • Four Pmod ports
  • USB HID Host for mice, keyboards and memory sticks

The Nexys4 is compatible with Xilinx’s new high-performance Vivado ® Design Suite as well as the ISE toolset, which includes ChipScope and EDK. Xilinx offers free “Webpack” versions of these toolsets, so designs can be implemented for no additional cost.

If you would like an evaluation board for academic purposes, you can apply for a donation through the Xilinx University Program.

Note: The Nexys4’s onboard programming circuitry is not supported by the Hardware Server in Vivado 2013.2 and earlier. The FPGA must be programmed using iMPACT in these versions of Vivado. The Hardware Server in versions 2013.3 and newer fully support the Nexys4.

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Support Documents:

Doc # Date Categories Description  
500-274 8/20/13 Product Documentation Nexys 4 schematics. Download
502-274 2/01/14 Product Documentation Nexys 4 reference manual. Download
560-010 9/08/14 Reference Designs This document aims to briefly explain the pulse-density modulation (PDM) interfacing design used to acquire data from the Nexys4's on-board ADMP421 MEMS microphone. Download
DSD-0000428 9/05/13 Reference Designs Nexys4 Master UCF File for ISE designs. Download
DSD-0000429 9/05/13 Reference Designs Nexys4 Master XDC File for Vivado designs. Download
DSD-0000430 9/12/13 Demonstration Project Introductory level demonstration project for the Nexys4 designed using Vivado 2013.2. The UART, Microphone, audio output, and GPIO devices are exercised. Download
DSD-0000431 9/12/13 Demonstration Project Introductory level demonstration project for the Nexys4 designed using ISE 14.5. The UART, Microphone, audio output, and GPIO devices are exercised. Download
DSD-0000462 6/19/14 Demonstration Project The Nexys4 user demo that is loaded in the QSPI flash at the factory, built using ISE 14.7. This complex design uses nearly every peripheral device on the Nexys4. Download
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