Abstract
Some algorithms benefit from a hardware digital logic implantation to achieve higher speed or to meet specific timing requirements, such as in digital signal processing, digital communication, and also when investigating hardware-accelerated machine learning algorithms. We present an extensible, miniature, battery-operated Field Programmable Gate Array (FPGA) platform for wearable computing and IoT research, based on an Intel MAX10 FPGA. The platform is 30x30mm in size and can be used as a standalone device, or as an extension to a similarly sized microcontroller board, for example to pre-process high-speed data streams in hardware prior to relaying the data to a conventional processor. We present the FPGA board and characterise power consumption, resource usage, and processing speed for the implementation of elementary DSP operations, notably FIR filters. We also carry out a direct comparison of these metrics for the FIR algorithm running on an ARM Cortex M4 processor as well as a soft-core processor synthesized on the FPGA board. The results show that this miniature FPGA platform has sufficient logic gates and computing power for a wide class of digital communication algorithms. The platform hardware and firmware is available on GitHub.
Published Version
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