ElemRV - End-to-end Open-Source RISC-V Microcontroller
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Updated
Aug 6, 2026 - Scala
ElemRV - End-to-end Open-Source RISC-V Microcontroller
Tiny tapeout gf180 ocd sram test for the gf0p3 shuttle
Clean-room container for building RTL → GDSII: a slim, pinned open-source EDA toolchain (Yosys · Verilator · OpenROAD · Magic · KLayout · Netgen · ngspice + sky130/gf180 PDKs), built from scratch on GitHub Actions and published to GHCR.
This project implements a tetrahedral oscillator inspired by the paper “Analysis and Design of a Tetrahedral Oscillator” by Richelle L. Smith and Thomas H. Lee. The oscillator is built from coupled inverter pairs, and its operating frequency is tuned by adding capacitive loads to the internal nodes.
VyBox Lite: One-click Codespaces environment for trying Vyges chip/IP development in your browser.
Open-source waveguide mode analysis software
NumPy → streaming ISP hardware (Verilog) compiler
World's first open-source Vedic math (Urdhva Tiryagbhyam) hardware multiplier. 8×8 RTL, synthesized with Yosys on ARM64 Termux.
Capless digitally-trimmable LDO for IHP SG13CMOS5L — Chipalooza Challenge #2 IP.
A 12-track height standard cell library built in SKY130 PDK. It is made up of 12 combinational cells, which were designed using Magic VLSI Layout Tool and characterized using
Closed measurement kernels: coherent single-tone spectral (SNR/SINAD/THD/SFDR) and AC transfer (gain, bandwidth, unity frequency, phase margin).
Reproducible Yosys synthesis distro — from-source, multi-arch (amd64+arm64).
Floorplan initialization over the OpenDB design database: die/core area, site-grid snapping, and rows
Reproducible builds of mainline OpenROAD — slim container + relocatable binary
Row cutting and physical-cell insertion over the OpenDB design database: tap cells, endcaps, corners
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