custom chip flashing

[Fernando@Madusha]

Hello,

When we flash the BLE Zephyr project to the external chip (nRF52833), do we need to add the SoftDevice controller .hex file as well, or does the merged .hex file include everything necessary?

Thank you.

[Kazi Afroza Sultana]

Hello,

There is a duplicate case (+) nrf_52833 External chip flashing - Nordic Q&A - Nordic DevZone - Nordic DevZone (nordicsemi.com) where I have been working on. I can close that one as you have uploaded the schematic here. I will give you a review lately.

Thanks.

BR

Kazi

[Fernando@Madusha]

Hello,
Yes.
OK Thank you

Best regards,
Madusha Fernando 

[Kazi Afroza Sultana]

Hello Madusha,

''Yes I provided external power. Please find the attached Image

Power supply = DIGILENT 
Custom nrf chip = NRF52833-CJAA-B-R7''

It looks from the picture attached that you programmed your custom board by DK. The voltage supported by external debugging/programming is VDD voltage. Normally, this is 3 V when running from USB is the voltage level for custom board is as same as the voltage of DK?

I can not see any schematic here. Could you please upload your schematic file?

Thanks.

BR

Kazi

[Fernando@Madusha]

Hello,

Please find the schematic and Part Number document.
Kindly check the schematic of the custom PCB and give your advice

[JONATHAN LL]

Use the DK as the power supply when programming the external board. 






So do something like this. 


But since you are using the 10pin connector, 

here I have set up the nRF52833 DK and use it as a programmer to program a nRF5240 DK.


GND to GND connected on both boards. Black jumper cable.

VDD_nRF to VDD_nRF connected on boar boards, Orange jumper cable. 


The red wire is just for shorting the current measurement P22 connector since I have that cut on that DK.  


Regards,
Jonathan