Kinetis Microcontrollers中的主题 Flow control of UART for FRDM-KL43Z https://community.nxp.com/t5/Kinetis-Microcontrollers/Flow-control-of-UART-for-FRDM-KL43Z/m-p/613189#M36347 <HTML><HEAD></HEAD><BODY><P>Hi expert,&nbsp;</P><P>Just two simple questions(Platform FRDM-KL43Z, board: MKL43Z256xxx4, SDK 2, KDS: 3.2.0):</P><P>1) Does this platform support hardware control (RTS/PTS) for UART? I can see that the MKL43Z4_features.h define the&nbsp;FSL_FEATURE_UART_HAS_MODEM_SUPPORT to 0. So this platform does not support hardware flow control, right?</P><P>2) Can I realise a UART with hardware control with FLEXio??</P><P></P><P>Thanks in advance,</P><P>Kaikai</P><P>Blue Creation, Cambridge</P></BODY></HTML> Wed, 14 Dec 2016 16:06:36 GMT kaikailiu 2016-12-14T16:06:36Z Flow control of UART for FRDM-KL43Z https://community.nxp.com/t5/Kinetis-Microcontrollers/Flow-control-of-UART-for-FRDM-KL43Z/m-p/613189#M36347 <HTML><HEAD></HEAD><BODY><P>Hi expert,&nbsp;</P><P>Just two simple questions(Platform FRDM-KL43Z, board: MKL43Z256xxx4, SDK 2, KDS: 3.2.0):</P><P>1) Does this platform support hardware control (RTS/PTS) for UART? I can see that the MKL43Z4_features.h define the&nbsp;FSL_FEATURE_UART_HAS_MODEM_SUPPORT to 0. So this platform does not support hardware flow control, right?</P><P>2) Can I realise a UART with hardware control with FLEXio??</P><P></P><P>Thanks in advance,</P><P>Kaikai</P><P>Blue Creation, Cambridge</P></BODY></HTML> Wed, 14 Dec 2016 16:06:36 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Flow-control-of-UART-for-FRDM-KL43Z/m-p/613189#M36347 kaikailiu 2016-12-14T16:06:36Z Re: Flow control of UART for FRDM-KL43Z https://community.nxp.com/t5/Kinetis-Microcontrollers/Flow-control-of-UART-for-FRDM-KL43Z/m-p/613190#M36348 <HTML><HEAD></HEAD><BODY><P>Hi kaikai,<BR />1) The UART and LPUART module of KL43 doesn't support support hardware flow control (RTS/CTS).</P><P>2) The FlexIO module can be used to realize UART hardware flow control (RTS/CTS). For more detail please read the section "39.5.1 UART Transmit" and "39.5.2 UART Receive" in <A href="http://www.nxp.com/assets/documents/data/en/reference-manuals/KL43P64M48SF6RM.pdf">KL43P64M48SF6RM</A>.</P><P></P><P>Best Regards,</P><P>Robin</P><P style="min- padding: 0px;">&nbsp;</P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />---------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 16 Dec 2016 01:41:48 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Flow-control-of-UART-for-FRDM-KL43Z/m-p/613190#M36348 Robin_Shen 2016-12-16T01:41:48Z