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Nial Stewart Developments Ltd

Nial Stewart Developments Ltd., located in Edinburgh, is a specialized design firm focusing on FPGA designs and related hardware development. Their expertise spans across leading FPGA platforms such as Intel and Xilinx (AMD), allowing them to handle tasks from system architecture to module-level design and testing. Over the years, they've collaborated with local software firms to deliver complete product development solutions, enhancing their capabilities with digital design competencies and support from RF and software design experts where required. The company excels in crafting systems with sophisticated communication architectures and utilizes interfaces like JESD204B, integrating CPUs, and handling protocols such as PCIe and Aurora. With a forward-thinking approach, they incorporate diverse elements such as temperature, vibration sensors, and various digital interfaces. Their solutions cater to a broad spectrum of devices, including Intel's Stratix, Arria, and Xilinx's Ultrascale+ and Artix series, reflecting a deep understanding of FPGA technologies. Beyond FPGA-centric work, Nial Stewart Developments offers comprehensive hardware design solutions. From creating PCIe boards to designing systems integrating RF signals for HD broadcast, their portfolio includes Q7 CPU module carriers with extensive connectivity options. Their meticulous approach to power supply design, incorporating switcher ICs, ensures robust and reliable products. The company continually adapts its designs to evolving client needs and technology shortages, showcasing flexibility and innovation. Read more

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FPGA Lock Core

The FPGA Lock Core is a robust yet compact security solution designed to prevent IP theft and counterfeiting in FPGA applications. At its core, it utilizes the Microchip ATSHA204A hardened crypto authentication IC to establish a secure link between the FPGA and the hardware. By engaging in a challenge-response process, it safeguards against unauthorized access by confirming the presence of a correctly programmed ATSHA204A device. This process involves generating a random 256-bit challenge, verifying unique IDs, and executing SHA256 hashes. Integration is hassle-free, requiring just one FPGA pin for bidirectional communication with the ATSHA204A. It features a minimal logic footprint and operates via a simple open-drain interface. The core provides functionality transparency with its VHDL implementation, helping clients ensure seamless deployment and verification through well-documented testbenches. The FPGA Lock Core is versatile and compatible with various Intel and Xilinx devices—making it suitable for applications in sectors like defense and medical where security is paramount. It is available in conjunction with a Key Writer core, facilitating the programming of custom keys into the ATSHA204A, and implementing this security measure efficiently into any product lifecycle.

Nial Stewart Developments Ltd
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