Welcome! # is a place to learn cocotb - an open source coroutine-based cosimulation testbench environment for verifying VHDL and SystemVerilog RTL using Python.

This site contains a book to learn cocotb by example as well as a collection of dev notes about how the internals of cocotb works for those interested in learning about the codebase.

What can you do with cocotb? #

Cocotb is a tool for writing testbenches to verify HDL. The learning curve is less steep than UVM or SystemVerilog - you can get up and verifying in minutes.

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