https://devzone.nordicsemi.com/f/nordic-q-a/47570/uart-maximum-allowed-deviationhello everyone, i am looking for the maximum allowed deviation of the uart. The nRF52832 is clocked with 32 Mhz and has a baud rate of 19200. What is the maximum deviation for the counterpart? thanks and reagards Michaelen-USTelligent Community 13Wed, 22 May 2019 06:36:14 GMThttps://devzone.nordicsemi.com/thread/188415?ContentTypeID=1Wed, 22 May 2019 06:36:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:05b97ede-bc9f-4e08-a3e0-5f03b4133e81bjorn-spockeli<p>Happy to help <span class="emoticon" data-url="https://devzone.nordicsemi.com/cfs-file/__key/system/emoji/1f642.svg" title="Slight smile">&#x1f642;</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/188408?ContentTypeID=1Wed, 22 May 2019 06:10:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c3d93eae-c033-4e00-9e8c-bdc2dd82d6a7Michael<p>Hello Bj&oslash;rn,</p> <p>thanks for the answer. The counterpart has an accuracy of 0.5%, so it should fit.</p> <p>best regards,</p> <p>Michael</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/188240?ContentTypeID=1Tue, 21 May 2019 11:56:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:18c5c51f-c5ed-44d3-943c-d2fd46ec17d1bjorn-spockeli<p>HI Michael,&nbsp;</p> <p>the UART on the nRF52832 uses the 16MHz clock (PCLK16M).</p> <p>I could not find any specific number in our internal documentation, however, I think that in general that the nRF52832 should be able to handle up to 3% deviation.</p> <p>This <a href="https://www.allaboutcircuits.com/technical-articles/the-uart-baud-rate-clock-how-accurate-does-it-need-to-be/">page</a> covers some of the calculations for determining the maximum allowed deviation.&nbsp;&nbsp;</p> <p>Best regards</p> <p>Bj&oslash;rn</p><div style="clear:both;"></div>