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📁 基于AT91SAM7SE512cpu使用SDRAM的例子
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<div class=Section1>

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   style='width:100.0%;mso-cellspacing:0cm;background:white;border:solid #006699 1.5pt;
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    <p class=MsoNormal align=center style='text-align:center;line-height:120%'><b><span
    style='font-size:16.5pt;font-family:Georgia;color:black'>SDRAM
    MT48LC16M16A2 Configuration</span></b><b><span style='font-size:16.5pt;
    font-family:"Trebuchet MS";color:black'><o:p></o:p></span></b></p>
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   </tr>
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   1.5pt;border:outset .75pt;mso-padding-alt:0cm 0cm 0cm 0cm'>
   <tr style='height:245.25pt'>
    <td style='border:inset .75pt;padding:.75pt .75pt .75pt .75pt;height:245.25pt'>
    <p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:
    10.0pt;font-family:Verdana'><!-- ******* Introduction  ********** !--><br
    style='mso-special-character:line-break'>
    <![if !supportLineBreakNewLine]><br style='mso-special-character:line-break'>
    <![endif]><o:p></o:p></span></p>
    <table border=1 cellspacing=0 cellpadding=0 width=321 style='width:241.0pt;
     border-collapse:collapse;border:none;mso-padding-alt:0cm 0cm 0cm 0cm'>
     <tr style='height:12.75pt'>
      <td width=119 nowrap valign=bottom style='width:89.0pt;border-top:solid windowtext 1.0pt;
      border-left:solid windowtext 1.0pt;border-bottom:none;border-right:none;
      padding:.7pt .7pt 0cm .7pt;height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>Core <o:p></o:p></span></p>
      </td>
      <td width=89 nowrap valign=bottom style='width:67.0pt;border:none;
      border-top:solid windowtext 1.0pt;padding:.7pt .7pt 0cm .7pt;height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>Freq
      ( Hz)<o:p></o:p></span></p>
      </td>
      <td width=113 nowrap valign=bottom style='width:85.0pt;border-top:solid windowtext 1.0pt;
      border-left:none;border-bottom: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'>Cycle
      in ns<o:p></o:p></span></p>
      </td>
     </tr>
     <tr style='height:12.75pt'>
      <td nowrap valign=bottom style='border:none;border-left:solid windowtext 1.0pt;
      padding:.7pt .7pt 0cm .7pt;height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>MCK<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt' x:num="48000000">
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>48 000 000<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' x:num="20.833333333333332"
      x:fmla="=1000000000/B2">
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>20,83<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;
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      padding:.7pt .7pt 0cm .7pt;height:13.5pt' x:num="50000000">
      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>50 000 000<o:p></o:p></span></p>
      </td>
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      <p class=MsoNormal align=right style='text-align:right'><span
      style='font-size:10.0pt;font-family:Arial'>20<o:p></o:p></span></p>
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    font-family:Verdana'><span style="mso-spacerun: yes">&nbsp;</span><o:p></o:p></span></span></p>
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     <tr style='height:12.75pt'>
      <td width=119 nowrap valign=bottom style='width:89.0pt;border:none;
      padding:.7pt .7pt 0cm .7pt;height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>SDRAM
      Address<o:p></o:p></span></p>
      </td>
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      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>
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      padding:.7pt .7pt 0cm .7pt;height:12.75pt'>
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      style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></p>
      </td>
      <td width=108 nowrap valign=bottom style='width:81.0pt;border:none;
      padding:.7pt .7pt 0cm .7pt;height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>AT91SAM7SE<o:p></o:p></span></p>
      </td>
     </tr>
     <tr style='height:12.75pt'>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>Column
      Addressing<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' x:str="512 (A0-A8) ">
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>512
      (A0-A8) <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'>9<o:p></o:p></span></p>
      </td>
     </tr>
     <tr style='height:12.75pt'>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>Row
      Addressing<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><span style='font-size:10.0pt;font-family:Arial'>8K
      (A0-12)<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'>13<o:p></o:p></span></p>
      </td>
     </tr>
     <tr style='height:12.75pt'>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>Banks<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' x:num>
      <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>
      </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'>1<o:p></o:p></span></p>
      </td>
     </tr>
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    <p class=MsoNormal><span style='font-family:Verdana'><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>
    <table border=1 cellspacing=0 cellpadding=0 width=737 style='width:553.0pt;
     border-collapse:collapse;border:none;mso-padding-alt:0cm 0cm 0cm 0cm'>
     <tr style='height:12.75pt'>
      <td width=119 nowrap valign=bottom style='width:89.0pt;border:none;
      padding:.7pt .7pt 0cm .7pt;height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>SDRAM
      timing<o:p></o:p></span></p>
      </td>
      <td width=89 nowrap valign=bottom style='width:67.0pt;border-top:solid windowtext 1.0pt;
      border-left:solid windowtext 1.0pt;border-bottom:none;border-right:none;
      padding:.7pt .7pt 0cm .7pt;height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>device<o:p></o:p></span></p>
      </td>
      <td width=113 nowrap valign=bottom style='width:85.0pt;border:none;
      border-top:solid windowtext 1.0pt;padding:.7pt .7pt 0cm .7pt;height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>MT48LC16M16A2<o:p></o:p></span></p>
      </td>
      <td width=108 nowrap valign=bottom style='width:81.0pt;border:none;
      border-top: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 width=80 nowrap valign=bottom style='width:60.0pt;border:none;
      border-top: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 width=87 nowrap valign=bottom style='width:65.0pt;border:none;
      border-top: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 width=96 nowrap colspan=2 valign=bottom style='width:72.0pt;
      border:none;border-top:solid windowtext 1.0pt;padding:.7pt .7pt 0cm .7pt;
      height:12.75pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>AT91SAM7SE<o:p></o:p></span></p>
      </td>
      <td width=45 nowrap valign=bottom style='width:34.0pt;border-top:solid windowtext 1.0pt;
      border-left:none;border-bottom: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'>Choice<o:p></o:p></span></p>
      </td>
     </tr>
     <tr style='height:12.0pt;mso-height-source:userset'>
      <td nowrap valign=bottom style='border:none;padding:.7pt .7pt 0cm .7pt;
      height:12.0pt'>
      <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
      style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></p>
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      border-bottom:solid windowtext 1.0pt;border-right:none;padding:.7pt .7pt 0cm .7pt;
      height:12.0pt'>
      <p class=MsoNormal><span style='font-size:10.0pt;font-family:Arial'>SDRC_CR<o:p></o:p></span></p>
      </td>
      <td nowrap valign=bottom style='border:none;border-bottom:solid windowtext 1.0pt;

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