LayerscapeのトピックLS1088A - Clocking https://community.nxp.com/t5/Layerscape/LS1088A-Clocking/m-p/712135#M2896 <HTML><HEAD></HEAD><BODY><P>Hello community,</P><P></P><P>i found some inconsistence in the LS1088A RM.</P><P></P><P>The figure below shows that the LS1088A has a USBCLK-Input, but i can't find anything about that Input in the Datasheet.&nbsp;</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/28332iDA8AB17FA9F36165/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P></P><P>But the LS1088A Datasheet says:&nbsp;</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/28335i24B0351D33EF3F4F/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P></P><P>Does the LS1088A has such an USB-Clock-Input ?</P><P></P><P>Best regards,</P><P>Juergen</P></BODY></HTML> Thu, 31 Aug 2017 06:28:10 GMT juergene 2017-08-31T06:28:10Z LS1088A - Clocking https://community.nxp.com/t5/Layerscape/LS1088A-Clocking/m-p/712135#M2896 <HTML><HEAD></HEAD><BODY><P>Hello community,</P><P></P><P>i found some inconsistence in the LS1088A RM.</P><P></P><P>The figure below shows that the LS1088A has a USBCLK-Input, but i can't find anything about that Input in the Datasheet.&nbsp;</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/28332iDA8AB17FA9F36165/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P></P><P>But the LS1088A Datasheet says:&nbsp;</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/28335i24B0351D33EF3F4F/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P></P><P>Does the LS1088A has such an USB-Clock-Input ?</P><P></P><P>Best regards,</P><P>Juergen</P></BODY></HTML> Thu, 31 Aug 2017 06:28:10 GMT https://community.nxp.com/t5/Layerscape/LS1088A-Clocking/m-p/712135#M2896 juergene 2017-08-31T06:28:10Z Re: LS1088A - Clocking https://community.nxp.com/t5/Layerscape/LS1088A-Clocking/m-p/712136#M2897 <HTML><HEAD></HEAD><BODY><P><SPAN style="font-size: 10.0pt;">The LS1088a USB controllers are the same as LS1043a or LS1046a USB controllers. See the Section 3.13.4 of the LS1043 Datasheet:</SPAN></P><P><SPAN style="font-size: 10.0pt;">USB 3.0 SSPHY needs a reference clock. There are two options for the reference clock: SYSCLK or DIFF_SYSCLK/DIFF_SYSCLK_B.</SPAN></P><P><BR />Have a great day,<BR />Pavel Chubakov</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 01 Sep 2017 06:20:47 GMT https://community.nxp.com/t5/Layerscape/LS1088A-Clocking/m-p/712136#M2897 Pavel 2017-09-01T06:20:47Z