jlink flashing via nrf52840dk

[gorazd]

Hi,

We can program our products via older nrf52840dk boards - we are using them as jlink programmer. But not with the recent ones.

We get error on linux and windows machines:

[error] [ Client] - Encountered error -102: Command connect_to_emu_with_snr executed for 176 milliseconds with result -102
ERROR: Unable to connect to a debugger

 

How to solve this issue? Are there any uicr registers that need to be set, jlink firmware flashed or sth? Please help.

I'm using latest tools: jlink  V7.96c, and nrf command line tools 10.24.1

Flashing the board itself (without connecting it to our product) alone works fine.

[Einar Thorsrud]

I see. Can you explain in detail how you use the debug out port? If you have a simple (hand drawn is more than good enough) schematic of how you use it as well as photo(s) that would be good.

(How it should be used is explained under Debug output).