topic Compatible with SPI 5V level in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/Compatible-with-SPI-5V-level/m-p/955890#M54895 <HTML><HEAD></HEAD><BODY><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/90614i87168251824F154C/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P></P><P>3.3V Power for MK64FN1M0V serires MCU, The digital max input voltage can be 5.5V.</P><P></P><P><STRONG>Can it compatible with 5V level SPI commmunication?</STRONG></P></BODY></HTML> Tue, 09 Jul 2019 02:46:09 GMT johnsonzhang1 2019-07-09T02:46:09Z Compatible with SPI 5V level https://community.nxp.com/t5/Kinetis-Microcontrollers/Compatible-with-SPI-5V-level/m-p/955890#M54895 <HTML><HEAD></HEAD><BODY><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/90614i87168251824F154C/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P></P><P>3.3V Power for MK64FN1M0V serires MCU, The digital max input voltage can be 5.5V.</P><P></P><P><STRONG>Can it compatible with 5V level SPI commmunication?</STRONG></P></BODY></HTML> Tue, 09 Jul 2019 02:46:09 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Compatible-with-SPI-5V-level/m-p/955890#M54895 johnsonzhang1 2019-07-09T02:46:09Z Re: Compatible with SPI 5V level https://community.nxp.com/t5/Kinetis-Microcontrollers/Compatible-with-SPI-5V-level/m-p/955891#M54896 <HTML><HEAD></HEAD><BODY><P>Hi <A _jive_internal="true" data-content-finding="Community" data-userid="275413" data-username="johnsonzhang@emerson.com" href="https://community.nxp.com/people/johnsonzhang@emerson.com">johnson zhang</A> ,</P><P>&nbsp;&nbsp; From the K64 datasheet, you can find the SPI have the limited voltage range:</P><P>&nbsp;<span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/90632i85E28085B1841E63/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P>But to the GPIO pins, all the GPIO pins is 5V tolerance.</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/90633iE92D2FEE2F380B47/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P></P><P>Wish it helps you!</P><P><BR />Have a great day,<BR />Kerry</P><P></P><P>-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!</P><P></P><P>- We are following threads for 7 weeks after the last post, later replies are ignored<BR /> Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P></BODY></HTML> Tue, 09 Jul 2019 09:19:37 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Compatible-with-SPI-5V-level/m-p/955891#M54896 kerryzhou 2019-07-09T09:19:37Z