topic K40 uart PARITY problem in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/K40-uart-PARITY-problem/m-p/362029#M18451 <HTML><HEAD></HEAD><BODY><P>I set up K40 UART3 for 9 data bit and 1 stop bit, parity enable and even parity transmission. However When I transmit modbus data with odd parity or no parity to the K40, it can still receive data perfectly.</P><P>the same goes to odd parity or no parity setting.&nbsp; And I verified that UART3_C1 register was showing the correct setting. is there something wrong with this K40 parity ?</P></BODY></HTML> Thu, 02 Oct 2014 02:46:16 GMT see 2014-10-02T02:46:16Z K40 uart PARITY problem https://community.nxp.com/t5/Kinetis-Microcontrollers/K40-uart-PARITY-problem/m-p/362029#M18451 <HTML><HEAD></HEAD><BODY><P>I set up K40 UART3 for 9 data bit and 1 stop bit, parity enable and even parity transmission. However When I transmit modbus data with odd parity or no parity to the K40, it can still receive data perfectly.</P><P>the same goes to odd parity or no parity setting.&nbsp; And I verified that UART3_C1 register was showing the correct setting. is there something wrong with this K40 parity ?</P></BODY></HTML> Thu, 02 Oct 2014 02:46:16 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K40-uart-PARITY-problem/m-p/362029#M18451 see 2014-10-02T02:46:16Z Re: K40 uart PARITY problem https://community.nxp.com/t5/Kinetis-Microcontrollers/K40-uart-PARITY-problem/m-p/362030#M18452 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I checked K40 UART module validation code, which already test UART 9-bit data receive with parity enable. And there is no error reported.</P><P>During the UART module validation, it use two UART modules to do 9-bit data transmit and receive.</P><P>More detailed info, please check attached UART RX validation code (related validation code located at uart_9bit_rx_test() function).</P><P><BR />Wish it helps.<BR />best regards <BR />Ma Hui</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 10 Oct 2014 07:30:58 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K40-uart-PARITY-problem/m-p/362030#M18452 Hui_Ma 2014-10-10T07:30:58Z