P-Seriesのトピックp1012 HDLC https://community.nxp.com/t5/P-Series/p1012-HDLC/m-p/484329#M2907 <HTML><HEAD></HEAD><BODY><P>In “QUICC Engine BlockReference Manual with Protocol Interworking ” I found </P><P> the ratio between the HDLC interface serial clock frequency and the QUICC Engine clock frequency should be at least 1:14. but in the “P1021 QorIQ Integrated Processor Reference Manual"&nbsp; I found&nbsp;&nbsp; the ratio between the HDLC interface serial clock frequency and the QUICC Engine clock frequency should be at least 1:3. </P><P>In our P1012 platform， the QE frequency is 400MHz,if I use the External Clock，How to set the frequency of&nbsp; external clock for HDLC?</P><P>thanks!!!</P></BODY></HTML> Fri, 20 May 2016 09:56:36 GMT guxg 2016-05-20T09:56:36Z p1012 HDLC https://community.nxp.com/t5/P-Series/p1012-HDLC/m-p/484329#M2907 <HTML><HEAD></HEAD><BODY><P>In “QUICC Engine BlockReference Manual with Protocol Interworking ” I found </P><P> the ratio between the HDLC interface serial clock frequency and the QUICC Engine clock frequency should be at least 1:14. but in the “P1021 QorIQ Integrated Processor Reference Manual"&nbsp; I found&nbsp;&nbsp; the ratio between the HDLC interface serial clock frequency and the QUICC Engine clock frequency should be at least 1:3. </P><P>In our P1012 platform， the QE frequency is 400MHz,if I use the External Clock，How to set the frequency of&nbsp; external clock for HDLC?</P><P>thanks!!!</P></BODY></HTML> Fri, 20 May 2016 09:56:36 GMT https://community.nxp.com/t5/P-Series/p1012-HDLC/m-p/484329#M2907 guxg 2016-05-20T09:56:36Z Re: p1012 HDLC https://community.nxp.com/t5/P-Series/p1012-HDLC/m-p/484330#M2908 <HTML><HEAD></HEAD><BODY><P>Factory engineer confirmed the number 1:3 is correct.</P><P></P><P>I will notify documentation team to make appropriate changes in QE Reference Manual, thank you for pointing!</P><P><BR />Have a great day,<BR />Alexander</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 25 May 2016 08:01:11 GMT https://community.nxp.com/t5/P-Series/p1012-HDLC/m-p/484330#M2908 alexander_yakov 2016-05-25T08:01:11Z