The recommended way to install the library is within the Arduino IDE. Simply go Tools -> Manage Libraries and search for "avr-iot". The library can also be cloned from this repository. More ...
This is a library for the Si5351A (10 MSOP - 3 Clocks Only) series of clock generator ICs from Skyworks Solutions for the Arduino development environment. It will allow you to control the Si5351 with ...