EDA实验报告实验二模可变计数器的实验报告

Nb大学实验报告学生姓名：EDA教父学号：61xxxx099专业班级：通信101实验类型：□验证□综合□设计□创新实验日期：-10-8实验成绩：实验二模可变计数器的设计一实验规定运用控制位M来变化模长规定M=1时模为114计数，M=0时模为16计数；二实验环节1.建立工作库文献夹，输入计数器的VHDL代码并存盘。LIBRARYIEEE;USEIEEE.STD_LOGIC_1164.ALL;USEIEEE.STD_LOGIC_UNSIGNED.ALL;ENTITYcountISPORT(CLK,M,EN,RST:INSTD_LOGIC;sel0,sel1,sel2:bufferSTD_LOGIC;SG:OUTSTD_LOGIC_VECTOR(7DOWNTO0);CLK1:bufferSTD_LOGIC;GW,SW,BW:bufferSTD_LOGIC_VECTOR(3DOWNTO0);COUT:OUTSTD_LOGIC;SEL:OUTSTD_LOGIC_VECTOR(7DOWNTO0));ENDcount;ARCHITECTUREbehavOFcountISSIGNALCNT:STD_LOGIC_VECTOR(7DOWNTO0);SIGNALJ:STD_LOGIC_VECTOR(11DOWNTO0);SIGNALCNT8:STD_LOGIC_VECTOR(2DOWNTO0);SIGNALA:STD_LOGIC_VECTOR(3DOWNTO0);SIGNALMODEL:STD_LOGIC_VECTOR(11DOWNTO0);BEGINP1:PROCESS(CLK)BEGINIFCLK'EVENTANDCLK='1'THENCNT<=CNT+1;IFCNT=130THENCLK1<='1';ELSECLK1<='0';ENDIF;ENDIF;ENDPROCESS;P2:PROCESS(EN,RST,M,CLK1)BEGINCASEMISWHEN'0'=>MODEL<="";WHEN'1'=>MODEL<="";ENDCASE;GW<=J(3downto0);SW<=J(7downto4);BW<=J(11downto8);IFRST='1'THENJ<=(others=>'0');ELSIFCLK1'EVENTANDCLK1='1'THENIFEN='1'THENIFJ<MODELTHENIFGW=9THENJ<=J+7;IFSW=9THENJ<=J+103;ENDIF;ELSEJ<=J+1;ENDIF;ELSEJ<=(others=>'0');ENDIF;ENDIF;ENDIF;ENDPROCESS;P3:PROCESS(CLK)BEGINIFCLK'EVENTANDCLK='1'THENIFCNT8<"010"THENCNT8<=CNT8+1;ELSECNT8<=(OTHERS=>'0');ENDIF;ENDIF;SEL(0)<=sel0;SEL(1)<=sel1;SEL(2)<=sel2;CASECNT8ISWHEN"000"=>sel2<='0';sel1<='1';sel0<='0';A<=GW;WHEN"001"=>sel2<='0';sel1<='0';sel0<='1';A<=SW;WHEN"010"=>sel2<='0';sel1<='0';sel0<='0';A<=BW;WHENOTHERS=>NULL;ENDCASE;ENDPROCESS;P4:PROCESS(A)BEGINCASEAISWHEN"0000"=>SG<="00111111";WHEN"0001"=>SG<="00000110";WHEN"0010"=>SG<="01011011";WHEN"0011"=>SG<="01001111";WHEN"0100"=>SG<="01100110";WHEN"0101"=>SG<="01101101";WHEN"0110"=>SG<="01111101";WHEN"0111"=>SG<="00000111";WHEN"1000"=>SG<="01111111";WHEN"1001"=>SG<="01101111";WHENOTHERS=>NULL;ENDCASE;ENDPROCESS;COUT<='1'WHENJ=MODELELSE'0';ENDbehav;2.选目的器件CycloneII中的EP2C35F672C3.建立仿真波形文献，进行波形仿真。 M=0时,是16计数M=0时,是16计数（M=0时模16计数仿真）M=1时,是1M=1时,是114计数（M=1时模114计数仿真）波形分析：当置位RST为高电平或EN为低电平时，计数清零，当RST为低电平，使能位EN为高电平时，开始计数：模控制位M为低电平时，则计数器记到15时归0后重新计数，实现模为16的计数功效；模控制位M为高电平时，则计数器记到113时归0后重新计数，实现模为114的计数功效。4.引脚锁定，包装元件。列出信号对应锁定的引脚及实验箱对应引脚名称，如M─H8─K1RST─P25─S1