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<p class=MsoNormal><span lang=EN-US>TSU</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>FS-CS</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>10ns,TSU(FS-CLK)8ns,TSU(C16-FS)10ns,TSU(C16~CS)10ns,TWH=25ns,<span
style='mso-tab-count:1'> </span>TWL=25ns,TSU(D)=8ns,TH(D)=5ns,TWH(FS)=20ns</span></p>
<p class=MsoNormal><span style='font-size:14.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman";color:red'>接线：</span><span
lang=EN-US style='font-size:14.0pt;color:red'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>频率</span><span lang=EN-US>=12MHz</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>，利用</span><span lang=EN-US>RXD</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>接</span><span
lang=EN-US>SDIN</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>，串行输出转换数据，</span><span lang=EN-US>TXD</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>产生串行时钟接</span></p>
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lang=EN-US>SCLK</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>8051</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>串行口工作于方式</span><span lang=EN-US>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>P3.4</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>产生片选信号</span><span
lang=EN-US>~CS,P3.5</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>产生帧同步信号</span></p>
<p class=MsoNormal><span lang=EN-US>FS,</span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>参考电压可根据要求连接转换后的波形从</span><span
lang=EN-US>OUT</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>以电压形式输出</span><span lang=EN-US>,T0</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>以</span><span lang=EN-US>60us</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>中</span></p>
<p class=MsoNormal><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>断一次读入一个数据进行转换</span><span lang=EN-US>,</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>在数据格式中选择</span><span lang=EN-US>SPD=0,PWR=0,</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>将转换数据存</span></p>
<p class=MsoNormal><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>于表格中</span><span lang=EN-US>,</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>执行下列程序</span><span lang=EN-US>,</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>利用示波器将观察到</span><span lang=EN-US>OUT</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>输出正玄波</span><span lang=EN-US>:</span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>ORG 0000H</span></p>
<p class=MsoNormal><span lang=EN-US>LJMP START</span></p>
<p class=MsoNormal><span lang=EN-US>ORG OOOBH</span></p>
<p class=MsoNormal><span lang=EN-US>LJMP TIMER0</span></p>
<p class=MsoNormal><span lang=EN-US>START: MOV SP,#30H<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"'>设置堆栈指针</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>CLR A</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>MOV SCON,A<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"'>串行口工作于方式</span><span lang=EN-US>0*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>MOV
TMOD,#02<span style='mso-spacerun:yes'> </span>/*T0</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>工作于方式</span><span lang=EN-US>2*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>MOV
TH0,#0C8H<span style='mso-spacerun:yes'> </span>/*T0 16.67KHz</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>中断</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>MOV
TL0,#0C8H</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>SETB
P3.5<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"'>置</span><span lang=EN-US>FS=1*/</span></p>
<p class=MsoNormal><span lang=EN-US><span style='mso-tab-count:1'> </span><span
style='mso-spacerun:yes'> </span>SETB P3.4<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"'>置</span><span lang=EN-US>CS=1*/</span></p>
<p class=MsoNormal><span lang=EN-US><span style='mso-tab-count:1'> </span><span
style='mso-spacerun:yes'> </span>SETB ET0</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>SETB EA</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>MOV
R0,A<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"'>地址指针清</span><span lang=EN-US>0*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>SETB TR0</span></p>
<p class=MsoNormal><span lang=EN-US>ALWAYS: SJMP ALWAYS<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"'>等待中断</span><span
lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'>
</span>RET</span></p>
<p class=MsoNormal><span lang=EN-US>TIMER0: PUSH PSW<span
style='mso-spacerun:yes'> </span>/*T0</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>中断服务</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>PUSH
ACC</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>CLR
3.4<span
style='mso-spacerun:yes'>
</span>/*CS</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>变低</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span style='mso-tab-count:1'> </span><span
style='mso-spacerun:yes'> </span>CLR 3.5<span
style='mso-spacerun:yes'>
</span>/*FS</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>变低</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>MOV
DPTR,#SINEVALS<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"'>置</span><span lang=EN-US>SIN</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>函数表头地址</span><span
lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>MOV
A,R0</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>MOVC
A,@A+DPTR<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"'>取高位数据</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span style='mso-spacerun:yes'>
</span><span
style='mso-spacerun:yes'> </span>MOV
SBUF,A<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"'>发高位数据</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>MOV
A,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"'>取地址指针</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>INC
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"'>地址加</span><span lang=EN-US>1*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>MOVC
A,@A+DPTR<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"'>取低位数据</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US>MSB_TX: JNB TI,MSB_TX<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"'>等待高字节发完</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'>
</span>CLR TI</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'>
</span>MOV SBUF,A</span></p>
<p class=MsoNormal><span lang=EN-US>LSB_TX:<span
style='mso-spacerun:yes'> </span>JNB TI,LSB_TX<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"'>等待低字节发完</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'>
</span>SETB P3.5<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"'>置</span><span lang=EN-US>FS=1*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'>
</span>CLR TI</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'>
</span>MOV A,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"'>修改地址指针</span><span lang=EN-US>*/</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'>
</span>INC A</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'>
</span>INC A</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'>
</span>ANL A,#3FH<span
style='mso-spacerun:yes'>
</span>/*</span><span style='font-family:宋体;mso-ascii-font-family:"T⌨️ 快捷键说明
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