i.MX ProcessorsのトピックRe: boot mode frequencies. https://community.nxp.com/t5/i-MX-Processors/boot-mode-frequencies/m-p/703383#M109287 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>&nbsp; The mentioned NAND CE is NANDF_CS0 (or NANDF_CS1/2/3) signal. You may</P><P>check its toggling / activity using oscilloscope.<BR /><BR /><span class="lia-inline-image-display-wrapper" image-alt="NAND_CS.jpg"><img src="https://community.nxp.com/t5/image/serverpage/image-id/29298i3DA5D31A86B50BDF/image-size/large?v=v2&amp;px=999" role="button" title="NAND_CS.jpg" alt="NAND_CS.jpg" /></span></P><P></P><P>Have a great day,<BR />Yuri</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 14 Sep 2017 06:32:21 GMT Yuri 2017-09-14T06:32:21Z boot mode frequencies. https://community.nxp.com/t5/i-MX-Processors/boot-mode-frequencies/m-p/703382#M109286 <HTML><HEAD></HEAD><BODY><P>Hi&nbsp;<A _jive_internal="true" data-content-finding="Community" data-userid="11235" data-username="Yuri" href="https://community.nxp.com/people/Yuri" style="color: #5e89c1; background-color: #ffffff; border: 0px; font-weight: 200; text-decoration: underline; font-size: 1.286rem;">Yuri Muhin</A>,</P><P></P><P>Can you tell me how to measure boot mode frequencies. If I'm using nitrogen6_max development board. (Because my custom board related to Nitrogen6_max)</P><P></P><P>Set the boot mode switch for each boot mode and measure the following</P><P>• NAND (probe CE to verify boot, measure RE frequency) • SPI-NOR (probe slave select and measure clock frequency) • MMC/SD (measure clock frequency)</P><P></P><P>What is CE probe ?</P><P></P><P>Regards,</P><P>Kulunu.</P></BODY></HTML> Wed, 13 Sep 2017 08:03:17 GMT https://community.nxp.com/t5/i-MX-Processors/boot-mode-frequencies/m-p/703382#M109286 peteramond 2017-09-13T08:03:17Z Re: boot mode frequencies. https://community.nxp.com/t5/i-MX-Processors/boot-mode-frequencies/m-p/703383#M109287 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>&nbsp; The mentioned NAND CE is NANDF_CS0 (or NANDF_CS1/2/3) signal. You may</P><P>check its toggling / activity using oscilloscope.<BR /><BR /><span class="lia-inline-image-display-wrapper" image-alt="NAND_CS.jpg"><img src="https://community.nxp.com/t5/image/serverpage/image-id/29298i3DA5D31A86B50BDF/image-size/large?v=v2&amp;px=999" role="button" title="NAND_CS.jpg" alt="NAND_CS.jpg" /></span></P><P></P><P>Have a great day,<BR />Yuri</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 14 Sep 2017 06:32:21 GMT https://community.nxp.com/t5/i-MX-Processors/boot-mode-frequencies/m-p/703383#M109287 Yuri 2017-09-14T06:32:21Z