Kinetis MicrocontrollersのトピックRe: UART overrun error in KEA-128? https://community.nxp.com/t5/Kinetis-Microcontrollers/UART-overrun-error-in-KEA-128/m-p/663037#M40709 <HTML><HEAD></HEAD><BODY><P>Hello&nbsp;VIGNESH BALAJI,</P><P>hope you are doing great.</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_3.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/5621i83A3A67A5E2D0D3A/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /></span></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/5650i22D2A3F19E729ED1/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P>&nbsp;The OR flag will tell you when you overrun on the UART. I recommend to &nbsp;have a buffer to save the information before you process you information to prevent the information lost in case you overrun the UART buffer. you can set an interrupt to this flag&nbsp;to know when this is happening. in the <A href="http://cache.nxp.com/files/microcontrollers/doc/ref_manual/KEA128RM.pdf?fsrch=1&amp;sr=1&amp;pageNum=1">reference manual</A> there is &nbsp; the table where I found this information (section 33.3.5).</P><P></P><P>Best regards.</P><P>Jonathan Iglesias&nbsp;</P></BODY></HTML> Tue, 25 Oct 2016 20:08:23 GMT Jonathan_Iglesias 2016-10-25T20:08:23Z UART overrun error in KEA-128? https://community.nxp.com/t5/Kinetis-Microcontrollers/UART-overrun-error-in-KEA-128/m-p/663036#M40708 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>&nbsp; &nbsp; I want to know what is the best way to handle Uart Rx Overrun Error in KEA-128??? what are the conditions it will happen and how to handle it?&nbsp;</P></BODY></HTML> Mon, 24 Oct 2016 11:24:07 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/UART-overrun-error-in-KEA-128/m-p/663036#M40708 vigneshbalaji 2016-10-24T11:24:07Z Re: UART overrun error in KEA-128? https://community.nxp.com/t5/Kinetis-Microcontrollers/UART-overrun-error-in-KEA-128/m-p/663037#M40709 <HTML><HEAD></HEAD><BODY><P>Hello&nbsp;VIGNESH BALAJI,</P><P>hope you are doing great.</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_3.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/5621i83A3A67A5E2D0D3A/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /></span></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/5650i22D2A3F19E729ED1/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P>&nbsp;The OR flag will tell you when you overrun on the UART. I recommend to &nbsp;have a buffer to save the information before you process you information to prevent the information lost in case you overrun the UART buffer. you can set an interrupt to this flag&nbsp;to know when this is happening. in the <A href="http://cache.nxp.com/files/microcontrollers/doc/ref_manual/KEA128RM.pdf?fsrch=1&amp;sr=1&amp;pageNum=1">reference manual</A> there is &nbsp; the table where I found this information (section 33.3.5).</P><P></P><P>Best regards.</P><P>Jonathan Iglesias&nbsp;</P></BODY></HTML> Tue, 25 Oct 2016 20:08:23 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/UART-overrun-error-in-KEA-128/m-p/663037#M40709 Jonathan_Iglesias 2016-10-25T20:08:23Z