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nrf51822 oscillator requirement for flashing

Flagada15

Hi all !

Can you tell me if it is possible to flash a single nrf51822 ship directly or if it requires at least the minimum oscillator X1 in order to be flashed?

The reason I am asking is that I tried to sold a nrf51 on a home made pcb and currently with only the ship it doesn't seems to work but I don't know if my soldering is the cause, or if I burn the ship with the hot air or if I have to sold additional capacitor and quartz in order to be able to flash...

Thanks in advance for your response !!

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    You don't need any crystals at all in order to flash the chip. The internal RC oscillator is sufficient. You actually don't need any crystals at all until you need bluetooth or a couple of other bits of hardware which require the HF clock.

    You should try some JLink command line commands to confirm basic ability to connect to the board at all. You probably have a soldering problem.

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    You don't need any crystals at all in order to flash the chip. The internal RC oscillator is sufficient. You actually don't need any crystals at all until you need bluetooth or a couple of other bits of hardware which require the HF clock.

    You should try some JLink command line commands to confirm basic ability to connect to the board at all. You probably have a soldering problem.

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