topic UART Buffer Error in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/UART-Buffer-Error/m-p/571459#M34138 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>Sometimes I observe a strange behaviour on the UART in the Kinetis using MQX.</P><P>When I send a sign, the software (actually the Serial Interrupt in the MQX driver) receives what I sent 4 signs before.</P><P>I think that means the other signs are waiting in the FIFO until the next sign is sent.</P><P>I can easily reproduce this error when I open in IAR the registers view and let Display the UART registers.</P><P>What is happening here? Is there an hardware bug? And how could I solve it?</P><P></P><P>Thank you for your answers!</P></BODY></HTML> Fri, 24 Jun 2016 10:53:40 GMT josefgessler 2016-06-24T10:53:40Z UART Buffer Error https://community.nxp.com/t5/Kinetis-Microcontrollers/UART-Buffer-Error/m-p/571459#M34138 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>Sometimes I observe a strange behaviour on the UART in the Kinetis using MQX.</P><P>When I send a sign, the software (actually the Serial Interrupt in the MQX driver) receives what I sent 4 signs before.</P><P>I think that means the other signs are waiting in the FIFO until the next sign is sent.</P><P>I can easily reproduce this error when I open in IAR the registers view and let Display the UART registers.</P><P>What is happening here? Is there an hardware bug? And how could I solve it?</P><P></P><P>Thank you for your answers!</P></BODY></HTML> Fri, 24 Jun 2016 10:53:40 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/UART-Buffer-Error/m-p/571459#M34138 josefgessler 2016-06-24T10:53:40Z