topic Re: K60 power up rise time in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/K60-power-up-rise-time/m-p/229542#M4850 <HTML><HEAD></HEAD><BODY><P>Hi FabioPacio,</P><P>I do not see that specific specification but will continue to look.</P><P>The Kinetis Peripheral Module Quick Reference (KQRUG.pdf) Rev 2 has a power domain section talking about filtering the power supply.&nbsp; I assume that filtering somewhat slows the power rail rise time.</P><P>The data sheet (K60P144M100SF2V2.pdf Rev3) section 5.2.4 has following:</P><P> <span class="lia-inline-image-display-wrapper" image-alt="ScreenHunter_28 Jul. 30 10.47.gif"><img src="https://community.nxp.com/t5/image/serverpage/image-id/40129i81B388FFFF9D0095/image-size/large?v=v2&amp;px=999" role="button" title="ScreenHunter_28 Jul. 30 10.47.gif" alt="ScreenHunter_28 Jul. 30 10.47.gif" /></span></P><P></P><P>I'd also recommend comparing your schematics to the TWR-K60D100M schematics (<A href="http://www.freescale.com/tower">www.freescale.com/tower</A>).</P><P>Regards,</P><P>David</P><P><BR /> </P></BODY></HTML> Tue, 30 Jul 2013 15:49:16 GMT DavidS 2013-07-30T15:49:16Z K60 power up rise time https://community.nxp.com/t5/Kinetis-Microcontrollers/K60-power-up-rise-time/m-p/229541#M4849 <HTML><HEAD></HEAD><BODY><P>dear all,</P><P>My target board do not power up correctly, but i do not find any specification regarding the minimum or maximim rise time of VDD during power up.</P><P></P><P>Can someone address me the specification?</P><P></P><P>Thank you</P><P>Fabio</P></BODY></HTML> Tue, 30 Jul 2013 08:16:24 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K60-power-up-rise-time/m-p/229541#M4849 FabioPacio 2013-07-30T08:16:24Z Re: K60 power up rise time https://community.nxp.com/t5/Kinetis-Microcontrollers/K60-power-up-rise-time/m-p/229542#M4850 <HTML><HEAD></HEAD><BODY><P>Hi FabioPacio,</P><P>I do not see that specific specification but will continue to look.</P><P>The Kinetis Peripheral Module Quick Reference (KQRUG.pdf) Rev 2 has a power domain section talking about filtering the power supply.&nbsp; I assume that filtering somewhat slows the power rail rise time.</P><P>The data sheet (K60P144M100SF2V2.pdf Rev3) section 5.2.4 has following:</P><P> <span class="lia-inline-image-display-wrapper" image-alt="ScreenHunter_28 Jul. 30 10.47.gif"><img src="https://community.nxp.com/t5/image/serverpage/image-id/40129i81B388FFFF9D0095/image-size/large?v=v2&amp;px=999" role="button" title="ScreenHunter_28 Jul. 30 10.47.gif" alt="ScreenHunter_28 Jul. 30 10.47.gif" /></span></P><P></P><P>I'd also recommend comparing your schematics to the TWR-K60D100M schematics (<A href="http://www.freescale.com/tower">www.freescale.com/tower</A>).</P><P>Regards,</P><P>David</P><P><BR /> </P></BODY></HTML> Tue, 30 Jul 2013 15:49:16 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K60-power-up-rise-time/m-p/229542#M4850 DavidS 2013-07-30T15:49:16Z