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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>NFC T4T – WTX timer not cancelled after nfc_t4t_response_pdu_send</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/127952/nfc-t4t-wtx-timer-not-cancelled-after-nfc_t4t_response_pdu_send</link><description>Hi, I am working with the nRF54L15 on sdk-nrf 3.2.3 and I am experiencing an unexpected behaviour with the NFC T4T stack regarding WTX frame timing. 
 Here is the observed sequence: 
 
 t = 0 ms: the PICC receives a command from the PCD 
 t = 4.8 ms:</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Wed, 29 Apr 2026 14:08:03 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/127952/nfc-t4t-wtx-timer-not-cancelled-after-nfc_t4t_response_pdu_send" /><item><title>RE: NFC T4T – WTX timer not cancelled after nfc_t4t_response_pdu_send</title><link>https://devzone.nordicsemi.com/thread/565692?ContentTypeID=1</link><pubDate>Wed, 29 Apr 2026 14:08:03 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:b520fe01-bb53-4b5f-b815-ff71b8fbabc8</guid><dc:creator>Kenneth</dc:creator><description>&lt;p&gt;Hello,&lt;/p&gt;
&lt;p&gt;I have asked internally if someone can take a look at what might be occurring here, I will let you know their feedback.&lt;/p&gt;
&lt;p&gt;Kenneth&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>