https://community.nxp.com/t5/MCX-Microcontrollers/I3C-stuck-SDA-handling/m-p/2256129#M4468 <P>Hi<BR />I want to implement stuck SDA handling to recovery from a stuck SDA.<BR />Based on MCXN547, I'm not sure how to implement it.<BR /><SPAN>Is there sample code that I can use as a reference?<BR /></SPAN>thanks</P> Fri, 05 Dec 2025 11:45:51 GMT Bruce_Teng 2025-12-05T11:45:51Z https://community.nxp.com/t5/MCX-Microcontrollers/I3C-stuck-SDA-handling/m-p/2256129#M4468 <P>Hi<BR />I want to implement stuck SDA handling to recovery from a stuck SDA.<BR />Based on MCXN547, I'm not sure how to implement it.<BR /><SPAN>Is there sample code that I can use as a reference?<BR /></SPAN>thanks</P> Fri, 05 Dec 2025 11:45:51 GMT https://community.nxp.com/t5/MCX-Microcontrollers/I3C-stuck-SDA-handling/m-p/2256129#M4468 Bruce_Teng 2025-12-05T11:45:51Z https://community.nxp.com/t5/MCX-Microcontrollers/I3C-stuck-SDA-handling/m-p/2256733#M4476 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/256544">@Bruce_Teng</a>&nbsp;</P> <P>I think you&nbsp;can recover a stuck-SDA on an I3C (same principle as I²C) by temporarily switching the SCL/SDA pins to GPIO, clocking SCL until the slave releases SDA, issuing a STOP, then returning the pins to the I3C peripheral and re-initializing the controller.&nbsp;</P> <P>You can add this customer code base on the SDK I3C examples.</P> <P>BR</P> <P>Harry</P> <P>&nbsp;</P> Mon, 08 Dec 2025 07:17:25 GMT https://community.nxp.com/t5/MCX-Microcontrollers/I3C-stuck-SDA-handling/m-p/2256733#M4476 Harry_Zhang 2025-12-08T07:17:25Z