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<P class=MsoNormal style="TEXT-ALIGN: center" align=left> </P>
<P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN
class=font12B>10分钟学会PLD设计</SPAN></P>
<P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN
class=font12B>1 设计输入 </SPAN></P>
<P class=MsoNormal style="TEXT-ALIGN: center" align=left><B><SPAN
class=font12></SPAN></B></P>
<BLOCKQUOTE>
<P align=center><SPAN class=font12B
style="FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt"><SPAN
class=MsoNormal><SPAN class=font12><SPAN class=font10><STRONG>1.3
采用VerilogHDL设计三人表决器</STRONG></SPAN> </SPAN></SPAN><SPAN
lang=EN-US><O:P></O:P></SPAN></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt"><SPAN
lang=EN-US><O:P></O:P></SPAN></SPAN></P>
<P align=center><SPAN
style="FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt"><SPAN
lang=EN-US><O:P></O:P></SPAN></SPAN></P>
<P class=font10 align=left>下面仅把和<SPAN
lang=EN-US>VHDL不同的详细写下，相同或基本相同的就一带而过：<O:P></O:P></SPAN></P>
<P class=font10 align=left>（<SPAN
lang=EN-US>1）打开MAX+plusII<O:P></O:P></SPAN></P>
<P align=left><SPAN class=font10
style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt">（<SPAN
lang=EN-US>2）</SPAN></SPAN><SPAN class=font10
style="FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt">新建<SPAN lang=EN-US
?><O:P></O:P></SPAN></SPAN></P>
<P class=font10 align=left>新建一个<SPAN lang=EN-US>verilog-HDL文件（Text
Editor File类型）<O:P></O:P></SPAN></P>
<P align=left><SPAN class=font10
style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt">（<SPAN
lang=EN-US>3）</SPAN></SPAN><SPAN class=font10
style="FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt">输入设计文件<SPAN
lang=EN-US style="COLOR: black"><O:P></O:P></SPAN></SPAN></P>
<P align=left><SPAN class=font10
style="FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt">其中<SPAN
lang=EN-US>SW12，SW13，SW23为中间变量<BR></SPAN></SPAN><SPAN class=font10
lang=EN-US
style="FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt"><BR></SPAN><SPAN
class=font10 lang=EN-US style="FONT-FAMILY: 宋体">module
majority_voter(SW1,SW2,SW3,L1,L2);<BR><SPAN
style="mso-spacerun: yes"> </SPAN>output L1,L2;<BR><SPAN
style="mso-spacerun: yes"> </SPAN>input SW1,SW2,SW3;<BR><SPAN
style="mso-spacerun: yes"> </SPAN>and(SW12,SW1,SW2);<BR><SPAN
style="mso-spacerun: yes"> </SPAN>and(SW13,SW1,SW3);<BR><SPAN
style="mso-spacerun: yes"> </SPAN>and(SW23,SW2,SW3);<BR><SPAN
style="mso-spacerun: yes"> </SPAN>or(L2,SW12,SW13,SW23);<O:P></O:P></SPAN></P>
<P align=left><SPAN class=font10 lang=EN-US
style="COLOR: lime; FONT-FAMILY: 宋体">//SW12、SW23、SW13是中间变量</SPAN><SPAN
class=font10 lang=EN-US style="FONT-FAMILY: 宋体"><BR><SPAN
style="mso-spacerun: yes"> </SPAN>not(L1,L2);<BR><SPAN
style="mso-spacerun: yes"> </SPAN>endmodule<O:P></O:P></SPAN><SPAN
class=font10 lang=EN-US
style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: "
mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA?
Roman?;color:black;mso-font-kerning:1.0pt; New Times><BR
style="PAGE-BREAK-BEFORE: always" clear=all></SPAN></P>
<P class=font10 align=left>（<SPAN
lang=EN-US>4）保存文件<O:P></O:P></SPAN></P>
<P class=font10 align=left>保存为<SPAN
lang=EN-US>majority_voter.v，注意Automatic Extension选.v</SPAN></P>
<DIV align=left><IMG height=319
src="10分钟学会PLD设计 1_2 VerilogHDL输入.files/image132.jpg" width=277> </SPAN>
<P></P></DIV>
<P class=font10 align=left><SPAN
lang=EN-US><BR>并把文件设为当前工程（同前）<O:P></O:P></SPAN></P>
<P class=font10 align=left><SPAN
style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt"><SPAN
lang=EN-US><O:P></O:P></SPAN></SPAN></P>
<P align=left><SPAN
style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt"><SPAN
lang=EN-US><O:P><SPAN
class=font10>下面您可以继续学习：</SPAN></O:P></SPAN></SPAN></P>
<P class=font10 align=left><A class=font10
href="http://www.fpga.com.cn/rumen/compile.htm">10分钟学会PLD设计2
－设计的编译</A></P>
<P class=font10 align=left><A class=font10
href="http://www.fpga.com.cn/rumen/simulation.htm">10分钟学会PLD设计3
－设计的仿真</A></P>
<P class=font10 align=left><A class=font10
href="http://www.fpga.com.cn/rumen/download.htm">10分钟学会PLD设计4
－下载</A></P></BLOCKQUOTE>
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