how much current can nRF51822 gpio source?

RE: how much current can nRF51822 gpio source?

Håkon Alseth — Mon, 07 Oct 2013 05:21:04 GMT

Yes, they can. All GPIOs can be configured to high-drive.

RE: how much current can nRF51822 gpio source?

andrew sauter — Fri, 20 Sep 2013 15:22:07 GMT

Can all general outputs per pg 9-10 in product spec be used as high drive?

kiitos,

RE: how much current can nRF51822 gpio source?

Håkon Alseth — Fri, 20 Sep 2013 06:29:52 GMT

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