https://devzone.nordicsemi.com/f/nordic-q-a/103482/spi-communication-with-external-flash-memory---mt25ql128abaMy understanding is that SPI drivers have rise times that vary with load capacitance, and that the datasheet for the driver should specify rise times at various load capacitances. Is this the case for the nRF52840? I&#39;m struggling to find this informationen-USTelligent Community 13Thu, 07 Sep 2023 11:03:34 GMThttps://devzone.nordicsemi.com/thread/444889?ContentTypeID=1Thu, 07 Sep 2023 11:03:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:acf370ae-407c-4ddc-86e0-b3e09fa142b5Jared<p>Hi,</p> <p>Unfortunately, I don&#39;t think the max or min has been characterized for the GPIO pins,</p> <p>regards</p> <p>Jared</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/444775?ContentTypeID=1Wed, 06 Sep 2023 17:09:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:814ae871-08ce-42e8-9ec6-c9e27d15b5a9oyoung1<p>From what I see, 13ns is the typical rise time&nbsp;of the GPIO pins, which is then designated as the max rise time for SPI communication. Is there a range I should be aware of?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/444708?ContentTypeID=1Wed, 06 Sep 2023 11:56:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:493eb63b-c1cf-4e71-afd4-90970c383455Jared<p>Hi,</p> <p>The rise time for the SPI peripheral is <a href="https://infocenter.nordicsemi.com/topic/ps_nrf52840/spi.html?cp=5_0_0_5_23_2_1#unique_630220600">specified</a> as max 13ns at 25 pF load capacitance,</p> <p>regards</p> <p>Jared&nbsp;</p><div style="clear:both;"></div>