BC840/M/E, Compact BLE 5, Thread, Zigbee Modules

Ver 1.00, April 2019

6. Production

Preloaded Firmware

Production testing codes are not erased before shipping from factory. To load your firmware, please erase the

entire chip and re-program using instruction below.

//program BT840 Bootloader+Softdevice+Application hex

nrfjprog -f NRF52 --program BT840_AT_3in1PC181113.hex --chiperase --reset

//The file BT840_AT_3in1PC181113.hex = softdevice S140v6.1.1+BT840_AT_UARTwithout32K+bootloader

AT Command Codes

AT command codes are used for production testing. Up to date codes can be downloaded from:

https://www.fanstel.com/download-document/

You can erase and reprogram with your codes. Or, use AT command codes as preloaded.

If you need a special version of codes, programming services are available with MOQ and programming

charges.

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