topic Re: MC9S12XEP100datasheep IPLL setting questions in S12 / MagniV Microcontrollers https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MC9S12XEP100datasheep-IPLL-setting-questions/m-p/710698#M14704 <HTML><HEAD></HEAD><BODY><P>Thank you very much for helping me with this problem ！</P></BODY></HTML> Sat, 23 Sep 2017 00:57:53 GMT 兜里揣caca 2017-09-23T00:57:53Z MC9S12XEP100datasheep IPLL setting questions https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MC9S12XEP100datasheep-IPLL-setting-questions/m-p/710696#M14702 <HTML><HEAD></HEAD><BODY><P>HI:</P><P>&nbsp;&nbsp; <span class="lia-inline-image-display-wrapper" image-alt="t.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/31361i02201889B711E9E7/image-size/large?v=v2&amp;px=999" role="button" title="t.png" alt="t.png" /></span><span class="lia-inline-image-display-wrapper" image-alt="PLL.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/31378iF537C287EE03AFF7/image-size/large?v=v2&amp;px=999" role="button" title="PLL.png" alt="PLL.png" /></span></P><P>in MC9S12XEP100datasheep I found a question , the "table A-25 IPLL Characteristics" At the bottom&nbsp; fosc = 4MHz configured as fBUS = 50MHz, REFDIV = 01,REFFRQ = 01; but I found at the table "11-2.reference clock frequency selection" if REFDIV = 01 , and the&nbsp; fREF = 4/(1+1)=2M; Shouldn't REFFRQ be equal to 0 ?</P><P></P><P>Thank you.</P><P>Have a great day</P></BODY></HTML> Fri, 22 Sep 2017 03:57:04 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MC9S12XEP100datasheep-IPLL-setting-questions/m-p/710696#M14702 兜里揣caca 2017-09-22T03:57:04Z Re: MC9S12XEP100datasheep IPLL setting questions https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MC9S12XEP100datasheep-IPLL-setting-questions/m-p/710697#M14703 <HTML><HEAD></HEAD><BODY><P>hi,</P><P>the easiest answer I can provide you is the answer I sent a few days ago and you will not be able to think about calculation complexity.</P><P></P><DIV class="">Please go to our pages and you can find there calculator at the page:<P><A class="" data-content-finding="Community" href="https://community.nxp.com/external-link.jspa?url=https%3A%2F%2Fwww.nxp.com%2Fproducts%2Fmicrocontrollers-and-processors%2Fmore-processors%2F8-16-bit-mcus%2F16-bit-s12-and-s12x-mcus%2Fultra-reliable-s12xe-high-performance-automotive-and-industrial-microcontrollers%3AS12XE%3Ftab%3DDesign_Tools_Tab" rel="nofollow" target="_blank">S12XE MCUs|16-Bit Microcontroller|NXP</A>&nbsp;</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/31799i363F33D1EDCB4B8E/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>Or directly:</P><P><A class="" data-content-finding="Community" href="https://community.nxp.com/external-link.jspa?url=https%3A%2F%2Fwww.nxp.com%2Fdownloads%2Fen%2Fcalculators%2FS12XESW.zip" rel="nofollow" target="_blank">https://www.nxp.com/downloads/en/calculators/S12XESW.zip</A>&nbsp;</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>Examples:</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/31841iFC2D194C1819291B/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /></span> <span class="lia-inline-image-display-wrapper" image-alt="pastedImage_4.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/31888i8EDD5D90BDC9F149/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_4.png" alt="pastedImage_4.png" /></span> <span class="lia-inline-image-display-wrapper" image-alt="pastedImage_5.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/31920iAD6DD13B31FDCFFF/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_5.png" alt="pastedImage_5.png" /></span></P><P>Best regards,</P><P>Ladislav</P></DIV></BODY></HTML> Fri, 22 Sep 2017 09:53:04 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MC9S12XEP100datasheep-IPLL-setting-questions/m-p/710697#M14703 lama 2017-09-22T09:53:04Z Re: MC9S12XEP100datasheep IPLL setting questions https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MC9S12XEP100datasheep-IPLL-setting-questions/m-p/710698#M14704 <HTML><HEAD></HEAD><BODY><P>Thank you very much for helping me with this problem ！</P></BODY></HTML> Sat, 23 Sep 2017 00:57:53 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/MC9S12XEP100datasheep-IPLL-setting-questions/m-p/710698#M14704 兜里揣caca 2017-09-23T00:57:53Z