Hi
TWR-K53N512 board mounted K53 chip is Kinetis 100MHz Silicon Rev.1.x chip;
TWR-K60D100M board mounted K60 chip is Kinetis 100MHz Silicon Rev.2.x chip.
Please check here to find the two version chip difference.
About TWR-K53N512 board example code, customer could download NXP MQX software from here.
For the baremetal projects, customer could download CodeWarrior IDE software, which support TWR-K53N512 with processor expert tool.
Please check attached baremetal project for Kinetis 100MHz Ver1.x silicon, supporting TWR-K60N512 board and TWR-K53N512 board also.
Wish it helps.
Have a great day,
Ma Hui
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------