Configure I/O pins and clock

Most of the drivers require pin and clock configuration that is done with NXP's MCUXpresso Config Tools.

Prerequisites

• Download and install the NXP MCUXpresso Config Tools
• To be able to see all supported devices (including the i.MXRT family), you need an Internet connection

Use the tools

The following steps are required to create the configuration (enter the values that are marked bold):

• Start the NXP MCUXpresso Config Tools
  
• Check Create a new configuration based on an existing IDE/toolchain project and click Finish.
  (Make sure your Keil uVision project is saved otherwise importer won't be able to find the source files.)
  
  
• Select Close and Update Code when the Config Tools Overview window opens.
  
• Update Files window pops up, press OK to update the source code.
• From the starting screen, select the Pins tool
  
• Configure pins as required by your project.
• Go to Tools - Clocks
• Go to Views - Clocks Diagram and check that all clocks are set as required by your project.

• Update the code and close MCUXpresso Config Tools when you are done.

  Continue by configuring CMSIS-Drivers.