7 years, 3 months ago.

Using FRDM-KL25Z to program a kl24z external target board

I was just wondering if its possible to use mbed with the freedom board frdm-kl25z to flash binary into a target kl24z. I have no idea if the mbed firmware can do that, I am already using with the kl25z target on the board successfully.

Question relating to:

Did you ever figure out how to program a second kl25z using mbed?

posted by Braxtron Advance 07 Dec 2013

4 Answers

6 years, 11 months ago.

Hello guys,

should be possible with CMSIS-DAP interface. There is one board hack needed to do for KL25Z freedom board, cut J11 trace, then use J6 header to program other board. Let us know your result!


6 years, 11 months ago.

I've successfully programmed both versions of the boards I made for the KL25Z (32QFN and 64QFP) using a FRDM-KL25Z as the programmer. The FRDM board also provided the power for my boards, at least while I'm still developing the software for them.

I cut the trace J11 as noted above, then connected +3.3V, GND, RESET, SWD_DIO and SWD_CLK from J6 to my board.

Part of the connected FRDM board may be seen here: http://blog.sundayschildsnapshots.com/wp/2013/10/yet-another-little-board/

Thanks David for sharing this information!

posted by Martin Kojtal 24 Dec 2013
6 years, 9 months ago.

Today I tried to program a custom KL05Z board using the FRDM-KL05Z and it did not work. I used USBDM successfully with arm-none-eabi-gdb. how exaclty can I use mbed the same way. Is there an mbed CMSIS-DAP firmware that i can use with gdb for this board?

6 years, 9 months ago.

Depending on board Revision, follow the procedure here and it works fine: