https://community.nxp.com/t5/Layerscape/LS1020-Boot-SYSCLK/m-p/1275040#M7987 <P>Now we are debugging boot of LS1020.</P><P>Chosen two single <A href="mailto:end@100M" target="_blank">end@100M</A>&nbsp;as SYSCLK and DDRCLK, the Boot is ok.</P><P>And want to use one&nbsp;Differential <A href="mailto:Clock@100" target="_blank">Clock@100</A>M ,while use 4.7K resistor to pull&nbsp;<EM>IFC_WE0_B（cfg_eng_use0）</EM>down to GND. But LS1020 can not boot up.</P><P>Pls check the configu as below and the PBL in attached, and give some advise how to boot with Differential clock,TKs!</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LS1020 Boot SYSCLK.png" style="width: 892px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/144461i126EA19E272AF246/image-size/large?v=v2&amp;px=999" role="button" title="LS1020 Boot SYSCLK.png" alt="LS1020 Boot SYSCLK.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LS1020 Boot SYSCLK1.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/144462iDF95CC91C1B10D8A/image-size/large?v=v2&amp;px=999" role="button" title="LS1020 Boot SYSCLK1.png" alt="LS1020 Boot SYSCLK1.png" /></span></P> Tue, 11 May 2021 14:18:10 GMT lizboxy 2021-05-11T14:18:10Z https://community.nxp.com/t5/Layerscape/LS1020-Boot-SYSCLK/m-p/1275040#M7987 <P>Now we are debugging boot of LS1020.</P><P>Chosen two single <A href="mailto:end@100M" target="_blank">end@100M</A>&nbsp;as SYSCLK and DDRCLK, the Boot is ok.</P><P>And want to use one&nbsp;Differential <A href="mailto:Clock@100" target="_blank">Clock@100</A>M ,while use 4.7K resistor to pull&nbsp;<EM>IFC_WE0_B（cfg_eng_use0）</EM>down to GND. But LS1020 can not boot up.</P><P>Pls check the configu as below and the PBL in attached, and give some advise how to boot with Differential clock,TKs!</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LS1020 Boot SYSCLK.png" style="width: 892px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/144461i126EA19E272AF246/image-size/large?v=v2&amp;px=999" role="button" title="LS1020 Boot SYSCLK.png" alt="LS1020 Boot SYSCLK.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LS1020 Boot SYSCLK1.png" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/144462iDF95CC91C1B10D8A/image-size/large?v=v2&amp;px=999" role="button" title="LS1020 Boot SYSCLK1.png" alt="LS1020 Boot SYSCLK1.png" /></span></P> Tue, 11 May 2021 14:18:10 GMT https://community.nxp.com/t5/Layerscape/LS1020-Boot-SYSCLK/m-p/1275040#M7987 lizboxy 2021-05-11T14:18:10Z https://community.nxp.com/t5/Layerscape/LS1020-Boot-SYSCLK/m-p/1277308#M8006 <P>Anybady is charge of this?</P> Mon, 17 May 2021 02:54:06 GMT https://community.nxp.com/t5/Layerscape/LS1020-Boot-SYSCLK/m-p/1277308#M8006 lizboxy 2021-05-17T02:54:06Z