https://community.nxp.com/t5/LPC-Microcontrollers/LPC54S018-ping-slow-4ms/m-p/1158627#M42371 <P data-unlink="true">why Use&nbsp;SDK_2.8.2_LPC54S018 SDK ping reback time very slow and Receive data packet loss&nbsp;,I use lpc54608 SDK2.8.2 ping my PC Addr ping time &lt;1ms.&nbsp;Receive data packet&nbsp; no loss。</P><P data-unlink="true">USE TCP_Echo proj.</P><P data-unlink="true">&nbsp;</P> Thu, 24 Sep 2020 11:10:46 GMT cychen88 2020-09-24T11:10:46Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC54S018-ping-slow-4ms/m-p/1158627#M42371 <P data-unlink="true">why Use&nbsp;SDK_2.8.2_LPC54S018 SDK ping reback time very slow and Receive data packet loss&nbsp;,I use lpc54608 SDK2.8.2 ping my PC Addr ping time &lt;1ms.&nbsp;Receive data packet&nbsp; no loss。</P><P data-unlink="true">USE TCP_Echo proj.</P><P data-unlink="true">&nbsp;</P> Thu, 24 Sep 2020 11:10:46 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC54S018-ping-slow-4ms/m-p/1158627#M42371 cychen88 2020-09-24T11:10:46Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC54S018-ping-slow-4ms/m-p/1158999#M42385 <P>This is due to QSPI flash, and the software runs in ram without any problem。Qspi Flash USE MX25L256 BPS=96M</P> Fri, 25 Sep 2020 02:56:43 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC54S018-ping-slow-4ms/m-p/1158999#M42385 cychen88 2020-09-25T02:56:43Z