topic Re: Bug in FRDM-KL27z Schematic? in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/Bug-in-FRDM-KL27z-Schematic/m-p/613165#M36346 <HTML><HEAD></HEAD><BODY><P>Hi BC Stewart,</P><P>&nbsp;&nbsp; No, no Bug in the FRDM-KL27Z schematic.</P><P>&nbsp;&nbsp; You are referring to the wrong reference manual.</P><P>&nbsp;&nbsp; Please note, the chip on FRDM-KL27 is:KL27Z64VLH4, you are referring to the 128K 256K KL27 chip, the correct RM for FRDM-KL27 is:</P><P><A class="link-titled" href="http://www.nxp.com/assets/documents/data/en/reference-manuals/KL27P64M48SF2RM.pdf" title="http://www.nxp.com/assets/documents/data/en/reference-manuals/KL27P64M48SF2RM.pdf">http://www.nxp.com/assets/documents/data/en/reference-manuals/KL27P64M48SF2RM.pdf</A>&nbsp;</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/7813iC77D2FE2C577ED87/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /></span></P><P></P><P>Wish it helps you!</P><P></P><P><BR />Have a great day,<BR />Kerry</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Mon, 17 Apr 2017 08:23:30 GMT kerryzhou 2017-04-17T08:23:30Z Bug in FRDM-KL27z Schematic? https://community.nxp.com/t5/Kinetis-Microcontrollers/Bug-in-FRDM-KL27z-Schematic/m-p/613164#M36345 <HTML><HEAD></HEAD><BODY><P>According to the KL27 data sheet Rev 5, the MK27Z256VLH4 defines pin 8 as VREGIN.</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/6382i1248756D3347AE05/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P></P><P>But on the FRDM schematic (SPF-28303_B.pdf), pin 8 is used as an A/D input. &nbsp;Furthermore, there appears to be no REGIN input at all (no 5V from USB).</P><P></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/6419i56B927B28869FD17/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /></span></P><P></P><P>Is this a bug?</P></BODY></HTML> Sun, 16 Apr 2017 21:53:52 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Bug-in-FRDM-KL27z-Schematic/m-p/613164#M36345 bcstewart 2017-04-16T21:53:52Z Re: Bug in FRDM-KL27z Schematic? https://community.nxp.com/t5/Kinetis-Microcontrollers/Bug-in-FRDM-KL27z-Schematic/m-p/613165#M36346 <HTML><HEAD></HEAD><BODY><P>Hi BC Stewart,</P><P>&nbsp;&nbsp; No, no Bug in the FRDM-KL27Z schematic.</P><P>&nbsp;&nbsp; You are referring to the wrong reference manual.</P><P>&nbsp;&nbsp; Please note, the chip on FRDM-KL27 is:KL27Z64VLH4, you are referring to the 128K 256K KL27 chip, the correct RM for FRDM-KL27 is:</P><P><A class="link-titled" href="http://www.nxp.com/assets/documents/data/en/reference-manuals/KL27P64M48SF2RM.pdf" title="http://www.nxp.com/assets/documents/data/en/reference-manuals/KL27P64M48SF2RM.pdf">http://www.nxp.com/assets/documents/data/en/reference-manuals/KL27P64M48SF2RM.pdf</A>&nbsp;</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/7813iC77D2FE2C577ED87/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /></span></P><P></P><P>Wish it helps you!</P><P></P><P><BR />Have a great day,<BR />Kerry</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Mon, 17 Apr 2017 08:23:30 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Bug-in-FRDM-KL27z-Schematic/m-p/613165#M36346 kerryzhou 2017-04-17T08:23:30Z