Error in softdevice s310 programming using keil in nrf51422

[sumanta]

Hi, i am using the sru232 module (having nrf51422) in my project. I just want to program the softdevices-s310 using Keil-5 but i am not able to do so, while i am trying the same i am getting error
Erase Failed! Error: Flash Download failed - "Cortex-M0"

plz describe how to fix the issue

[Jorge]

When you are getting that error the cause could be two things, from what I understand. One, the selected target is not the one you are using, or the IRAM and IROM don't have the right sizes or locations in the memory. You can see them in "Target options" and see if they match to your setup.

[saiteja]

help: devzone.nordicsemi.com/.../