https://community.nxp.com/t5/i-MX-Processors/HOST-USB-2-0-compliance-Test/m-p/1502465#M193564 <P>Hello everybody !!!</P><P>I was assigned to implement Host USB compliance in board imx6q, but this is the first time. So I have a trouble, look forward to help.</P><P>This is electrical circuit :</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="キャプチャ.JPG" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/189429i4CCC8F9EE84AF7F2/image-size/medium?v=v2&amp;px=400" role="button" title="キャプチャ.JPG" alt="キャプチャ.JPG" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">キャプチャ.JPG</span></span></P><P> On imx6q board, I used memtool to change register to enter Test mode. I had followed in 5367 page of&nbsp;<A href="https://www.nxp.com/docs/en/data-sheet/IMX6DQCEC.pdf" target="_self">imx6q reference manual</A>&nbsp;documentation(Port Test Modes -Host Operational Model). But I had failed.</P><P>1. <STRONG>memtool -32 USBOH3.UH1_USBCMD.ASE=0</STRONG>&nbsp;</P><P>&nbsp; &nbsp; <STRONG>memtool -32 USBOH3.UH1_USBCMD.PSE=0</STRONG>&nbsp;</P><P>2.&nbsp;<STRONG>memtool -32 USBOH3.UH1_PORTSC1.SUSP=1</STRONG></P><P>3.&nbsp;<STRONG>memtool -32 USBOH3.UH1_USBCMD.RS=0</STRONG></P><P><EM>wait for read&nbsp;<STRONG>memtool -32 USBOH3.UH1_USBSTS.HCH</STRONG> to get 1</EM></P><P>4.&nbsp;<STRONG>memtool -32 USBOH3.UH1_PORTSC1.PTC=1</STRONG> (TEST J)</P><P>here I saw Oscilloscope and the wave completely unchanged.</P><P>Am I wrong somewhere or forgot about it?</P><P>Hope everybody help please !!! Thank you.</P><P> </P> Fri, 19 Aug 2022 04:59:39 GMT TUNGJCM 2022-08-19T04:59:39Z https://community.nxp.com/t5/i-MX-Processors/HOST-USB-2-0-compliance-Test/m-p/1502465#M193564 <P>Hello everybody !!!</P><P>I was assigned to implement Host USB compliance in board imx6q, but this is the first time. So I have a trouble, look forward to help.</P><P>This is electrical circuit :</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="キャプチャ.JPG" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/189429i4CCC8F9EE84AF7F2/image-size/medium?v=v2&amp;px=400" role="button" title="キャプチャ.JPG" alt="キャプチャ.JPG" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">キャプチャ.JPG</span></span></P><P> On imx6q board, I used memtool to change register to enter Test mode. I had followed in 5367 page of&nbsp;<A href="https://www.nxp.com/docs/en/data-sheet/IMX6DQCEC.pdf" target="_self">imx6q reference manual</A>&nbsp;documentation(Port Test Modes -Host Operational Model). But I had failed.</P><P>1. <STRONG>memtool -32 USBOH3.UH1_USBCMD.ASE=0</STRONG>&nbsp;</P><P>&nbsp; &nbsp; <STRONG>memtool -32 USBOH3.UH1_USBCMD.PSE=0</STRONG>&nbsp;</P><P>2.&nbsp;<STRONG>memtool -32 USBOH3.UH1_PORTSC1.SUSP=1</STRONG></P><P>3.&nbsp;<STRONG>memtool -32 USBOH3.UH1_USBCMD.RS=0</STRONG></P><P><EM>wait for read&nbsp;<STRONG>memtool -32 USBOH3.UH1_USBSTS.HCH</STRONG> to get 1</EM></P><P>4.&nbsp;<STRONG>memtool -32 USBOH3.UH1_PORTSC1.PTC=1</STRONG> (TEST J)</P><P>here I saw Oscilloscope and the wave completely unchanged.</P><P>Am I wrong somewhere or forgot about it?</P><P>Hope everybody help please !!! Thank you.</P><P> </P> Fri, 19 Aug 2022 04:59:39 GMT https://community.nxp.com/t5/i-MX-Processors/HOST-USB-2-0-compliance-Test/m-p/1502465#M193564 TUNGJCM 2022-08-19T04:59:39Z