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how much current can nRF51822 gpio source?

andrew sauter

also can you tell me what doc/page# is it?

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    Hi,

    It's stated in the product specification, chapter 8.23. For a normal GPIO configured as output, the max sink/source is 0.5 mA.

    When you have configured your GPIO with high-drive, you can sink (or source) in total 15 mA (3 x 5 mA, 5 x 3 mA, etc) on all GPIOs that has this high-drive configuration.

    Best regards Håkon

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  • 0

    Hi,

    It's stated in the product specification, chapter 8.23. For a normal GPIO configured as output, the max sink/source is 0.5 mA.

    When you have configured your GPIO with high-drive, you can sink (or source) in total 15 mA (3 x 5 mA, 5 x 3 mA, etc) on all GPIOs that has this high-drive configuration.

    Best regards Håkon

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