How to flash hex file without Atmel Chip

[Ameer.Sheik]

Hello All

I am developing BLE based home automation system using nRF51422 DK for my research activities. now i am planing to make separate PCB nRF51422 device alone. i am not using any other components which i mention in snapshot ,could please share your feedback without ATMEL chip i can able to flash or not , else i need any special debugger or programmer What is the purpose of ATMEL Chip

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Please find the attachment

Thank Ameer

[endnode]

You can flash stand-alone nRF5x chip by any JTAG/SWD programmer. One of the cheapest and most straight forward methods is to take any nRF5x DK board (which has SEGGER J-Link OB hosted on Atmel auxiliary chip) and wire SWD PINs on target with P19 or P20 header on DK board. You can search the forum and internet for precise guidelines, there are dozens of them. On your custom board you need just 4 PINs accessible: GND, VDD (to power the nRF5x chip externally), SWDCLK and SWDIO.