I had to install https://www.keil.com/download/docs/408.asp this for my board to work.
Thank you for the quick reply
Hi,
There are four debug interfaces supported by this MCU:
• IEEE 1149.1 JTAG
• IEEE 1149.7 JTAG (cJTAG)
• Serial Wire Debug (SWD)
• ARM Real-Time Trace Interface
I hope this will help you. Please let me know if you have more questions.
Have a good day!