SERV - A quick talk about a small CPU

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" summary

A tiny RISC-V-like core uses a bit serial datapath and optional extensions with separate data and instruction buses and an extension interface, documented to gate-level per-module. A reference platform called servant runs on many FPGA boards and allegedly "runs 50 Os" and even Doom at about 4 SPF. The core claims to be the world's smallest 35 CPU, fits 10,000 instances in a large Xilinx part, and has been taped out in 180 nm for a cranial implant.

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