1.. _module-pw_clock_tree-impl: 2 3=============== 4Implementations 5=============== 6.. pigweed-module-subpage:: 7 :name: pw_clock_tree 8 9To use the ``pw_clock_tree`` API, you need to specify in your build system an 10implementation of the platform specific implementation of the ``pw_clock_tree`` 11virtual interface. 12 13------------------------ 14Existing implementations 15------------------------ 16The following Pigweed modules are ready-made ``pw_clock_tree`` implementations that 17you can use in your projects: 18 19* :ref:`module-pw_clock_tree_mcuxpresso` for the NXP MCUXpresso SDK. 20 21.. toctree:: 22 :maxdepth: 1 23 :hidden: 24 25 MCUXpresso <../pw_clock_tree_mcuxpresso/docs> 26