https://devzone.nordicsemi.com/f/nordic-q-a/53145/uarte-received-data-is-strangeHello, When performing serial communication using UARTE in the environment of SDK 15.3.0, SoftDevice 6.1.1, In rare cases, abnormal data is received. I don&#39;t know the cause and need help. The communication is 115200bps, no parity, no hardware flowen-USTelligent Community 13Tue, 15 Oct 2019 23:41:41 GMThttps://devzone.nordicsemi.com/thread/215171?ContentTypeID=1Tue, 15 Oct 2019 23:41:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2d9923fe-ab80-4ed2-9cf3-941453494598cbe9<div class="tlid-input input has-transliteration"> <div class="source-wrap"> <div class="input-full-height-wrapper tlid-input-full-height-wrapper"> <div class="source-input"> <div class="tlid-source-transliteration-container source-transliteration-container transliteration-container"> <div class="tlid-transliteration-content transliteration-content full"></div> </div> <div class="source-footer-wrap source-or-target-footer"> <div class="character-count tlid-character-count"></div> <div class="source-footer"> <div class="speech-wrap source-or-target-footer-button left-positioned"> <div class="speech-button goog-toolbar-button" id="gt-speech">Thank you for your reply.</div> </div> </div> </div> </div> </div> </div> </div> <div class="tlid-results-container results-container"> <div class="tlid-result result-dict-wrapper"> <div class="result tlid-copy-target"> <div class="text-wrap tlid-copy-target"> <div class="result-shield-container tlid-copy-target"><span class="tlid-translation translation" lang="en"><br /><span title="">We have changed app_uart_fifo.c and found that this change is bad.</span><br /><br /><span title="">Thank you for your valuable time.</span></span></div> </div> </div> </div> </div><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/214742?ContentTypeID=1Mon, 14 Oct 2019 07:55:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:398d442e-31e7-40a3-97b0-ea60f0284fd1Sigurd<p>Hi,</p> <p>How does your uart_event_handle() function look like ? (The function used in APP_UART_FIFO_INIT())</p> <p>Have you done any modications to app_uart_fifo.c or nrfx_uarte.c / nrfx_uart.c ?</p> <p>Are you using UART or UARTE ?</p> <p>Could you post your sdk_config.h file ?</p><div style="clear:both;"></div>