This is the documentation for the latest (main) development branch of mcuxpresso sdk. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

mmdc_lpddr2_switch_freq_example

Overview

The mmdc example shows how to use DDR controller driver to initialize the external DDR chip. After the DDR initialization, DDR address access is very simple.Then the example switch the DDR work frequency to 24MHZ, and switch back to 400MHZ finally.