https://community.nxp.com/t5/LPC-Microcontrollers/LPC552X-SED-pin/m-p/2063532#M57922 <P>Greetings!</P><P>On P145 of UM11126, there is this paragraph</P><P class="lia-indent-padding-left-30px"><EM>This mechanism is mainly used to recover a part programmed with a corrupted</EM><BR /><EM>image. For instance, on boards/products where the ISP pin mechanism in not</EM><BR /><EM>affordable and SED pins are accessible or when ISP mode is disabled through the</EM><BR /><EM>“Default ISP mode” field in the CMPA_BOOT_CFG configuration word</EM></P><P>What is SED pin? The doc or datasheet does not explain it anywhere.</P><P>&nbsp;</P><P>Regards.</P> Tue, 18 Mar 2025 07:31:02 GMT steve5528 2025-03-18T07:31:02Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC552X-SED-pin/m-p/2063532#M57922 <P>Greetings!</P><P>On P145 of UM11126, there is this paragraph</P><P class="lia-indent-padding-left-30px"><EM>This mechanism is mainly used to recover a part programmed with a corrupted</EM><BR /><EM>image. For instance, on boards/products where the ISP pin mechanism in not</EM><BR /><EM>affordable and SED pins are accessible or when ISP mode is disabled through the</EM><BR /><EM>“Default ISP mode” field in the CMPA_BOOT_CFG configuration word</EM></P><P>What is SED pin? The doc or datasheet does not explain it anywhere.</P><P>&nbsp;</P><P>Regards.</P> Tue, 18 Mar 2025 07:31:02 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC552X-SED-pin/m-p/2063532#M57922 steve5528 2025-03-18T07:31:02Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC552X-SED-pin/m-p/2065465#M57941 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/246045">@steve5528</a>&nbsp;</P> <P>&nbsp;</P> <P>Thanks for your question.</P> <P>Sorry, this is a typo. It should be SWD.&nbsp;</P> <P>&nbsp;</P> <P>BR</P> <P>Alice</P> <P>&nbsp;</P> Thu, 20 Mar 2025 09:52:06 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC552X-SED-pin/m-p/2065465#M57941 Alice_Yang 2025-03-20T09:52:06Z