The demonstration video of the MCL86 core running on the Lattice XO2 Breakout Board has been posted to YouTube. The FPGA is the XO2-7000 which is around $10 USD.
The video demonstrates how the MCL86 core, 2KB of RAM and a UART are all that is needed to create a practical embedded control processor with a host interface.
The total register utilization is a modest 8% of the $10 Lattice XO2-7000 which leaves most of the FPGA’s registers available for important user logic.
The MCL86 is about as small as you can get when it comes to embedded processor cores that support a practical instruction set.
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