Keil Logo

Application Note 224

Developing Debug Driver DLLs for Cortex-M Targets

Note: We strongly recommend to use CMSIS-DAP for implementing debug solutions for custom development boards. This is an open standard that is widely adopted in the industry.


If for any reason you think that CMSIS-DAP is not good enough for your purposes, this application note explains how to build a debug driver DLL for your own hardware debug probe that communicates with µVision. The code template is based on the Keil ULINK2 driver and provides the functions to debug Cortex-M processor-based devices. Programmers must complete the low-level functionality. Middle- and high-level functionality is implemented and needs no modification.

If you require access to this application note and the code example, please contact our support team at support.intl@keil.com.


is not available at this time.
Please check again later.
  Arm logo
Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.

Change Settings

Privacy Policy Update

Arm’s Privacy Policy has been updated. By continuing to use our site, you consent to Arm’s Privacy Policy. Please review our Privacy Policy to learn more about our collection, use and transfers
of your data.