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    <title>topic Display output clock polarity? in i.MX Processors</title>
    <link>https://community.nxp.com/t5/i-MX-Processors/Display-output-clock-polarity/m-p/215543#M13559</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Can someone at Freescale verify this documentation?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;TABLE border="0" cellspacing="1" width="100%"&gt;&lt;TBODY&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Data Sheet or Document Name:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;i.MX53 Multimedia Applications Processor Reference Manual&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Revision #:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;2, 12/2011&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Page #:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;3141&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Section/Figure/Table:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;IPU_DI0_GENERAL field descriptions&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Severity:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;Critical&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Subject:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;LCD display clock polarity&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Description:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;The reference manual says: &lt;BR /&gt;--- &lt;BR /&gt;17 di0_polarity_disp_clk &lt;BR /&gt;DI0 Output Clock's polarity &lt;BR /&gt;This bits define the polarity of the DI0's clock. &lt;BR /&gt;1 The output clock is active high &lt;BR /&gt;0 The output clock is active low &lt;BR /&gt;--- &lt;BR /&gt; &lt;BR /&gt; &lt;BR /&gt;The i.MX53xD Applications Processors for Consumer Products, Rev. 4.1 datasheet says: &lt;BR /&gt;---- &lt;BR /&gt;IPP_DISP_CLK latches data into the panel on its negative edge (when positive polarity is selected). &lt;BR /&gt;---- &lt;BR /&gt; &lt;BR /&gt;However, the reference manual does not explain what is high polarity or low polarity. &lt;BR /&gt; &lt;BR /&gt;Please clarify.&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;/TBODY&gt;&lt;/TABLE&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Mon, 27 Feb 2012 05:27:28 GMT</pubDate>
    <dc:creator>sidebranch</dc:creator>
    <dc:date>2012-02-27T05:27:28Z</dc:date>
    <item>
      <title>Display output clock polarity?</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/Display-output-clock-polarity/m-p/215543#M13559</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Can someone at Freescale verify this documentation?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;TABLE border="0" cellspacing="1" width="100%"&gt;&lt;TBODY&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Data Sheet or Document Name:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;i.MX53 Multimedia Applications Processor Reference Manual&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Revision #:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;2, 12/2011&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Page #:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;3141&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Section/Figure/Table:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;IPU_DI0_GENERAL field descriptions&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Severity:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;Critical&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Subject:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;LCD display clock polarity&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD align="left" bgcolor="#EBEBEB" width="30%"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;&lt;STRONG&gt;Description:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/TD&gt;&lt;TD bgcolor="#F5F5F5" colspan="2"&gt;&lt;SPAN style="font-family: 'Arial, Helvetica, sans-serif'; font-size: 2; "&gt;The reference manual says: &lt;BR /&gt;--- &lt;BR /&gt;17 di0_polarity_disp_clk &lt;BR /&gt;DI0 Output Clock's polarity &lt;BR /&gt;This bits define the polarity of the DI0's clock. &lt;BR /&gt;1 The output clock is active high &lt;BR /&gt;0 The output clock is active low &lt;BR /&gt;--- &lt;BR /&gt; &lt;BR /&gt; &lt;BR /&gt;The i.MX53xD Applications Processors for Consumer Products, Rev. 4.1 datasheet says: &lt;BR /&gt;---- &lt;BR /&gt;IPP_DISP_CLK latches data into the panel on its negative edge (when positive polarity is selected). &lt;BR /&gt;---- &lt;BR /&gt; &lt;BR /&gt;However, the reference manual does not explain what is high polarity or low polarity. &lt;BR /&gt; &lt;BR /&gt;Please clarify.&lt;/SPAN&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;/TBODY&gt;&lt;/TABLE&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 27 Feb 2012 05:27:28 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/Display-output-clock-polarity/m-p/215543#M13559</guid>
      <dc:creator>sidebranch</dc:creator>
      <dc:date>2012-02-27T05:27:28Z</dc:date>
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