MyHDL 0.11

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What is MyHDL?

MyHDL is a free, open-source package for using Python as a hardware description and verification language.

To find out whether MyHDL can be useful to you, please read:


MyHDL is available under the LGPL license. See LICENSE.txt.


The project website is located at


The manual is available on-line:

What's new

To find out what's new in this release, please read:


It is recommended to install MyHDL (and your project's other dependencies) in a virtualenv.

Installing the latest stable release:

pip install myhdl

To install the development version from github:

pip install -e 'git+

To install a local clone of the repository:

pip install -e path/to/dir

To install a specific commit hash, tag or branch from git:

pip install -e 'git+

You can test the proper installation as follows:

cd myhdl/test/core

To install co-simulation support:

Go to the directory cosimulation/<platform> for your target platform and following the instructions in the README.txt file.