Digilent
Nexys A7 (Artix-7 FPGA Trainer Board)
Best FPGA development platform for electrical engineering students and hobbyists.
The Nexys A7 (previously known as the Nexys 4 DDR) is an incredibly accessible, yet powerful, FPGA development board designed around the AMD Artix™ 7 FPGA family. It serves as a ready-to-use digital circuit development platform, bringing industry applications into the classroom environment. This board is highly recommended for ECE curriculum use. Students can start learning right away with its versatile selection of interfaces, such as 10/100 Ethernet, USB, UART, JTAG, and VGA. For projects requiring external hardware, it includes a built-in temperature sensor, microphone, and accelerometer, alongside 5 Pmod ports for additional customizability. The specific variant detailed here is the Nexys A7-100T, featuring the Artix 7 XC7A100T-1CSG324C FPGA, which boasts 15,850 Logic Slices and 4,860 Kbits of Block RAM, plus 128 MiB of DDR2 Memory. The board supports internal clock speeds exceeding 450MHz and features an on-chip analog-to-digital converter (XADC). Programming is supported over JTAG and Flash, utilizing USB-JTAG circuitry. It also includes 16 MB of QSPI Flash memory and a microSD card connector. Interaction devices include 16 Switches, 16 LEDs, 2 tri-color LEDs, and a 12-bit VGA output. The Nexys A7 is supported by the AMD Vivado™ Design Suite, including the free Standard edition, which helps keep costs down for students. Please note that due to product compliance restrictions, Digilent is unable to ship this board to Australia, Canada, Korea, or New Zealand.
$199.00
Owner Satisfaction
4.7
/ 5
Category Rank
28
/ 1545
#28 in Development Boards
Price vs Category Average
+127%
Above average
FPGA part
71001324
/ XCAT-CSGC
Who it's for
- Engineers tackling complex logic and high-speed data processing tasks
- Developers wanting an all-in-one platform for rapid prototyping
- Students and educators needing extensive documentation and industry-standard tools
Who should skip it
- Budget-conscious students or hobbyists seeking a lower-cost entry point
- Beginners intimidated by complex, resource-heavy professional design software
- Users planning power-intensive projects requiring consistent, high-current stability
Performance breakdown
Logic Capacity
The Artix-7 100T provides ample headroom for complex digital design projects.
Educational Versatility
An ideal classroom companion with extensive onboard sensors and peripheral interfaces.
Expansion Potential
Five Pmod ports offer massive flexibility for custom hardware and sensor integration.
Memory Throughput
128 MiB of DDR2 memory handles data-intensive applications with reliable speed.
Software Ecosystem
Seamless integration with Vivado Design Suite streamlines the entire development workflow.
Build Robustness
Durable construction designed to withstand frequent handling in busy lab environments.
Key Specs
FPGA part
XC7A100T-1CSG324C
Logic Slices
15,850
Block RAM (Kbits)
4,860
DDR2 Memory (MiB)
128
Clock Tiles (with PLL)
6
DSP Slices
240
Features
- AMD Artix 7 FPGA (XC7A100T-1CSG324C)
- 128 MiB DDR2 Memory
- 16 MB QSPI Flash
- 10/100 Mbps Ethernet
- USB-UART Bridge
- 3-axis accelerometer
- PDM microphone
- PWM audio output
- Temperature Sensor
- 2 four-digit seven-segment displays
- 16 Switches, 16 LEDs, 2 tri-color LEDs
- 12-bit VGA output
- 4 Pmod connectors + 1 Pmod for XADC signals
- On-chip analog-to-digital converter (XADC)
- microSD card connector
What customers say
The Nexys A7 board earns high praise for its exceptional quality and comprehensive feature set, making it a standard in academic and hobbyist FPGA design. Users value the robust build and the powerful Artix-7 chip, which supports complex digital logic and embedded systems. Its versatility is significantly boosted by extensive peripherals like Ethernet and multiple Pmod connectors, minimizing external hardware needs. While the initial price is higher, the superior reliability, rich feature density, and excellent educational support confirm its strong long-term value. Digilent’s accessible documentation further smooths the learning curve for new users, solidifying satisfaction with this powerful design tool.
Know before you buy
The Nexys A7 is fully supported by the AMD Vivado Design Suite. You can use the free Standard edition to develop, simulate, and synthesize your digital designs.
Yes, the board features five Pmod ports, including one dedicated to XADC signals. These allow you to easily connect a wide variety of external sensors, displays, and communication modules.
The Nexys A7-100T variant is well-equipped for academic and professional projects, featuring 128 MiB of DDR2 memory and 16 MB of QSPI Flash. This provides ample space for storing bitstreams and handling data-intensive applications.
The board comes ready-to-use with a built-in 3-axis accelerometer, a PDM microphone, and a temperature sensor. These integrated components allow you to start experimenting with data acquisition and signal processing right out of the box.
Absolutely. The Nexys A7 is a standard in ECE curricula because it balances a powerful FPGA with accessible interfaces like switches, LEDs, and seven-segment displays, making it an ideal platform for learning digital logic fundamentals.
You can program the board using the onboard USB-JTAG circuitry, which connects directly to your computer. Additionally, you can store designs in the QSPI Flash or use the microSD card connector for non-volatile storage.
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