• Disable softdevice protection in command line

    Hi guys, I can erase all the chip and load the softDevice in command line successfully by nrfjprog.exe. Is there any switch to disable the softdevice protection? Or I need to write directly to the memory location? Do you have any instruction for that…
  • How to use J-link to encrypt nRF51422?

    Hi guys First of all, I know nRFgo can be very convenient for application encryption, but in order to improve the mass production efficiency,I merged the application code with softdevice then load the merged hex file by J-flash The question is, how…
  • Brick after sd_nvic_SystemReset() with enabled readback protection.

    Hello, My device is nRF51822 SD110 8.0.0. The problem occured after firmware update in bootloader (own, not SDK) with readback protection enabled. So bootloader connects to host, receive the data and write it to firmware area of the flash. After…
  • APPROTECT and DAP

    Hi, I have a JLink script which sets APPROTECT in the UICR to enable readback protection and disable the debug interface. For development purposes, I would like to be able to clear these. The process seems to be to write certain values to the CTRL…
  • Readback protection of CUSTOMER area of UICR

    Hello, The question is about CUSTOMER area in UICR. After locking chip wirh UICR.RBPCONF.PALL I noticed that I still able to read UICR.CUSTOMER data. Could I enable readback protection of data written to UICR? Thanks.
  • nRF52 APPPROTECT

    Hi, Is there a way on the nRF52 to clear the APPPROTECT bits once they have been set? On the nRF51, it was still possible to erase the chip to clear the readback protection. However, on the nRF52, the APPPROTECT bits seem to fully disable the debugger…
  • How to program softdevice and firmware with new nrfjprog

    Hi, I used the old nrfjprog like this: nrfjprog --eraseall --dfu --programs s130_softdevice_whatever.hex --program my_firmware.hex Which worked fine. I've now updated to the new version with different options. What is the equivalent command…