sdram.html

基于AT91SAM7SE512cpu使用SDRAM的例子

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      padding:.7pt .7pt 0cm .7pt;height:13.5pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>75 ns<o:p></o:p></span></p>
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      padding:.7pt .7pt 0cm .7pt;height:13.5pt' x:num>
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      style='font-size:10.0pt;font-family:Arial'>4<o:p></o:p></span></p>
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      padding:.7pt .7pt 0cm .7pt;height:13.5pt' x:num="83.333333333333329">
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>83,33<o:p></o:p></span></p>
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      padding:.7pt .7pt 0cm .7pt;height:13.5pt' x:num>
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>2<o:p></o:p></span></p>
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      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>15<o:p></o:p></span></p>
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      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>4<o:p></o:p></span></p>
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      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
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      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>Refresh
      period (8,192 rows)<o:p></o:p></span></p>
      </td>
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      height:13.5pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
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      height:13.5pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
      style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></p>
      </td>
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      height:13.5pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
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      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>Time
      ms<o:p></o:p></span></p>
      </td>
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      padding:.7pt .7pt 0cm .7pt;height:13.5pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>Nb
      row<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border-top:solid windowtext 1.0pt;
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      padding:.7pt .7pt 0cm .7pt;height:13.5pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>Refresh
      period 祍<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border-top:solid windowtext 1.0pt;
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      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>&nbsp;<o:p></o:p></span></p>
      </td>
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      none;padding:.7pt .7pt 0cm .7pt;height:13.5pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>&nbsp;<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:13.5pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
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      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
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      </td>
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      height:13.5pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
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      </td>
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      <td nowrap valign=bottom style='border:none;border-left:solid windowtext 1.0pt;
      padding:.7pt .7pt 0cm .7pt;height:12.75pt' x:num>
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>64<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt' x:num>
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>8192<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt' x:num="7.8125" x:fmla="=(A13/B13)*1000">
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>7,8125<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt' x:num="375">
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>375,00<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;border-right:solid windowtext 1.0pt;
      padding:.7pt .7pt 0cm .7pt;height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>&nbsp;<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
      style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
      style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
      style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
      style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></p>
      </td>
     </tr>
     <tr style='height:13.5pt'>
      <td nowrap valign=bottom style='border-top:none;border-left:solid windowtext 1.0pt;
      border-bottom:solid windowtext 1.0pt;border-right:none;padding:.7pt .7pt 0cm .7pt;
      height:13.5pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>Freq
      Mhz<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;border-bottom:solid windowtext 1.0pt;
      padding:.7pt .7pt 0cm .7pt;height:13.5pt' x:num>
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>48<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;border-bottom:solid windowtext 1.0pt;
      padding:.7pt .7pt 0cm .7pt;height:13.5pt' x:num>
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>8<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;border-bottom:solid windowtext 1.0pt;
      padding:.7pt .7pt 0cm .7pt;height:13.5pt' x:num x:fmla="=C14*B14">
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>384<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border-top:none;border-left:none;
      border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
      padding:.7pt .7pt 0cm .7pt;height:13.5pt' x:num="2.4000000000000021E-2"
      x:fmla="=(D14/D13)-1">
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>2,40%<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:13.5pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
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      </td>
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      height:13.5pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
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      </td>
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