https://community.nxp.com/t5/MPC5xxx/MPC5606S-Minimum-PowerUp-Requirements/m-p/1375029#M19675 <P>Crystal circuit should be as follows (AN4719), especially check VREG_BYPASS pin connection (it must not be floating.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="davidtosenovjan_0-1637585251853.png" style="width: 632px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/162838iAF4E4CA7D48EE68E/image-dimensions/632x313?v=v2" width="632" height="313" role="button" title="davidtosenovjan_0-1637585251853.png" alt="davidtosenovjan_0-1637585251853.png" /></span></P> <P><A href="https://www.nxp.com/docs/en/application-note/AN4719.pdf" target="_blank">https://www.nxp.com/docs/en/application-note/AN4719.pdf</A></P> <P>Also you could consult with EVB schematics.</P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 22 Nov 2021 12:49:47 GMT davidtosenovjan 2021-11-22T12:49:47Z https://community.nxp.com/t5/MPC5xxx/MPC5606S-Minimum-PowerUp-Requirements/m-p/1374174#M19653 <P>Dear Ladies and Gentlemen,&nbsp;<BR /><BR />I need to exchange the MCU of an existing board, cause the original MCU is dieing the heat-death.</P><P>It is MPC5606SVLU</P><P>When I place the new MCU, I can see every powersupply is available on the MCU and the internal 1.2V regulator of the MCU is working well.&nbsp;</P><P>My Oscillators, the main oscillator as well as the rtc oscillator, are not running, RESET is high.&nbsp;</P><P>Depending on that, I am not able to flash it with JTAG.&nbsp;</P><P>Is there a documentation of the minimum powerup requirements of this chip, so I can figure out what is going wrong?&nbsp;</P><P>I wanted to try to programm it with&nbsp;XPC560SKIT176S, but this is not available for me now.&nbsp;</P><P>Thank you in advance <LI-EMOJI id="lia_slightly-smiling-face" title=":slightly_smiling_face:"></LI-EMOJI>&nbsp;</P> Fri, 19 Nov 2021 08:28:33 GMT https://community.nxp.com/t5/MPC5xxx/MPC5606S-Minimum-PowerUp-Requirements/m-p/1374174#M19653 Daniel-9876 2021-11-19T08:28:33Z https://community.nxp.com/t5/MPC5xxx/MPC5606S-Minimum-PowerUp-Requirements/m-p/1375026#M19674 <P>Power sequence you may see stated in the datasheet:</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="davidtosenovjan_0-1637584981310.png" style="width: 666px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/162836i5874A6867411E8DF/image-dimensions/666x576?v=v2" width="666" height="576" role="button" title="davidtosenovjan_0-1637584981310.png" alt="davidtosenovjan_0-1637584981310.png" /></span></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="davidtosenovjan_1-1637585021889.png" style="width: 657px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/162837i335559C1F703E8E5/image-dimensions/657x607?v=v2" width="657" height="607" role="button" title="davidtosenovjan_1-1637585021889.png" alt="davidtosenovjan_1-1637585021889.png" /></span></P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 22 Nov 2021 12:44:42 GMT https://community.nxp.com/t5/MPC5xxx/MPC5606S-Minimum-PowerUp-Requirements/m-p/1375026#M19674 davidtosenovjan 2021-11-22T12:44:42Z https://community.nxp.com/t5/MPC5xxx/MPC5606S-Minimum-PowerUp-Requirements/m-p/1375029#M19675 <P>Crystal circuit should be as follows (AN4719), especially check VREG_BYPASS pin connection (it must not be floating.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="davidtosenovjan_0-1637585251853.png" style="width: 632px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/162838iAF4E4CA7D48EE68E/image-dimensions/632x313?v=v2" width="632" height="313" role="button" title="davidtosenovjan_0-1637585251853.png" alt="davidtosenovjan_0-1637585251853.png" /></span></P> <P><A href="https://www.nxp.com/docs/en/application-note/AN4719.pdf" target="_blank">https://www.nxp.com/docs/en/application-note/AN4719.pdf</A></P> <P>Also you could consult with EVB schematics.</P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 22 Nov 2021 12:49:47 GMT https://community.nxp.com/t5/MPC5xxx/MPC5606S-Minimum-PowerUp-Requirements/m-p/1375029#M19675 davidtosenovjan 2021-11-22T12:49:47Z