📄 8051内存.htm
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<p class=MsoNormal style='margin-left:21.0pt;text-indent:-21.0pt;mso-list:l0 level1 lfo2;
tab-stops:list 21.0pt'><![if !supportLists]><span lang=EN-US style='mso-fareast-font-family:
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</span></span></span><![endif]><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>片内</span><span
lang=EN-US>RAM</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>分布：</span><span lang=EN-US><br
clear=all style='mso-special-character:line-break;page-break-before:always'>
</span></p>
<table class=MsoTableGrid border=1 cellspacing=0 cellpadding=0
style='border-collapse:collapse;border:none;mso-border-alt:solid windowtext .5pt;
mso-yfti-tbllook:480;mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-border-insideh:
.5pt solid windowtext;mso-border-insidev:.5pt solid windowtext'>
<tr style='mso-yfti-irow:0;height:46.0pt'>
<td width=57 style='width:42.55pt;border:solid windowtext 1.0pt;mso-border-alt:
solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:46.0pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>堆栈区字节寻址区</span></p>
</td>
<td width=57 style='width:42.55pt;border:solid windowtext 1.0pt;border-left:
none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt;height:46.0pt'>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US>7FH</span></p>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US>30H</span></p>
</td>
<td width=454 style='width:340.4pt;border:solid windowtext 1.0pt;border-left:
none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt;height:46.0pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>堆栈区，数据缓冲，只能字节寻址</span></p>
</td>
</tr>
<tr style='mso-yfti-irow:1;height:47.05pt'>
<td width=57 style='width:42.55pt;border:solid windowtext 1.0pt;border-top:
none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt;height:47.05pt'>
<p class=MsoNormal align=center style='text-align:center'><a name=A></a><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>位寻址</span></p>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>字节寻址</span></p>
</td>
<td width=57 style='width:42.55pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:47.05pt'>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US>2FH</span></p>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US>20H</span></p>
</td>
<td width=454 style='width:340.4pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:47.05pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>位寻址：</span><span lang=EN-US>00~~7Fh</span></p>
</td>
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<tr style='mso-yfti-irow:2;height:46.0pt'>
<td width=57 rowspan=4 style='width:42.55pt;border:solid windowtext 1.0pt;
border-top:none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt;height:46.0pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>工<a name=工作寄存器组></a>作寄存器组区</span></p>
</td>
<td width=57 style='width:42.55pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:46.0pt'>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US>1FH</span></p>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US>18H</span></p>
</td>
<td width=454 style='width:340.4pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:46.0pt'>
<p class=MsoNormal><span lang=EN-US>R7<span
style='mso-spacerun:yes'>
</span></span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>工作寄存器组</span><span lang=EN-US>3</span></p>
<p class=MsoNormal><span lang=EN-US>R0<span
style='mso-spacerun:yes'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>程序状态字</span><span lang=EN-US>PSW</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的（</span><span lang=EN-US>D3</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>）</span><span
lang=EN-US>RS0=1</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，（</span><span
lang=EN-US>D4</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>）</span><span lang=EN-US>RS1=1</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>。</span><span lang=EN-US><span
style='mso-spacerun:yes'> </span></span></p>
</td>
</tr>
<tr style='mso-yfti-irow:3;height:46.0pt'>
<td width=57 style='width:42.55pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:46.0pt'>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US>17H</span></p>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US>10H</span></p>
</td>
<td width=454 style='width:340.4pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:46.0pt'>
<p class=MsoNormal><span lang=EN-US>R7<span
style='mso-spacerun:yes'>
</span></span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>工作寄存器组</span><span lang=EN-US>3</span></p>
<p class=MsoNormal><span lang=EN-US>R0<span
style='mso-spacerun:yes'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>程序状态字</span><span lang=EN-US>PSW</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的（</span><span lang=EN-US>D3</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>）</span><span
lang=EN-US>RS0=0</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，（</span><span
lang=EN-US>D4</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>）</span><span lang=EN-US>RS1=1</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>。</span><span lang=EN-US><span
style='mso-spacerun:yes'> </span></span></p>
</td>
</tr>
<tr style='mso-yfti-irow:4;height:46.0pt'>
<td width=57 style='width:42.55pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:46.0pt'>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US>0FH</span></p>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US>08H</span></p>
</td>
<td width=454 style='width:340.4pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:46.0pt'>
<p class=MsoNormal><span lang=EN-US>R7<span
style='mso-spacerun:yes'>
</span></span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
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