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Why ble_app_hrs with s310 is not starting on pc10006(nRF51422)?

Hello, I'm trying examples supplied with SDK, running on pca10006 with nRF51422 chip board and Segger J-Link debugger.

I am able to

  1. Erase entire chip with nRFgo studio
  2. Flash and run blinky example. Behaves as expected
  3. Flash and run debouncer example. Behaves as expacted
  4. Flash the device with s310 softdevice (nrfgo studio)

Then i am downloading the ble_app_hrs example to the device. It is not starting as it should be (button 0 push should start the broadcast and the led 0 should light on)

When i am trying to use debug options it is stuck and can not be used (on the blinky example it works fine)

Versions: softdevise s310 2.0.1 nRF51 SDK 7.2.0 Keil uVision 5.14.0.0 nRFgo studio 1.17.13252

Screenshots:

  1. nRFgo studio, flashing the softdevice nRFgo studio, flashing the softdevice

  2. Keil, memory settings Keil, memory settings

  3. Flashing with Keil Flashing with Keil

  4. Keil stuck in debug state Keil stuck in debug state

Please advise how i can make it working.

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