https://devzone.nordicsemi.com/f/nordic-q-a/102393/about-32mhz-crystalHi 1. Some platforms have a 32MHz clock output, so can the 52832 use these hours to replace the 32MHz crystal? 2. Specifications are written for crystals that have these indicators： CL=8pF(32MHz crystal)、Total tol. &#177;40ppm Any other requirementsen-USTelligent Community 13Mon, 31 Jul 2023 13:46:13 GMThttps://devzone.nordicsemi.com/thread/439053?ContentTypeID=1Mon, 31 Jul 2023 13:46:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:891991e4-69e4-4a56-a5cb-6bc5aabcd77dhaakonsh<p>The typical limitation is a too high phase-noise/jitter, also we can&#39;t bypass the 64MHz crystal oscillator, so feeding a full-swing signal to the oscillator inputs will saturate its amplifier and possibly damage it.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/438929?ContentTypeID=1Mon, 31 Jul 2023 08:56:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:297f8919-1b9e-4787-8ae7-75185a6e4e51HuiHuang<p><span>What is the reason for not accepting an external clock?</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/438922?ContentTypeID=1Mon, 31 Jul 2023 08:41:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f751e869-e7a5-4a36-820d-513a37115983haakonsh<ol> <li>No, the&nbsp;HFXO does not accept&nbsp;external clock signals, only 32MHz crystal resonators.<br /><br /></li> <li><a title=" 64 MHz crystal oscillator (HFXO) " href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52832.ps.v1.1/clock.html?cp=5_2_0_18_3_1#unique_1670581351">64 MHz crystal oscillator (HFXO)</a>. If you have a particular crystal in mind you can share its datasheet with us and we can help you verify the specs if you are uncertain about it&#39;s compatibility.&nbsp;</li> </ol><div style="clear:both;"></div>