EDA狀態(tài)機(jī)的設(shè)計(jì)

1、EDA實(shí)驗(yàn)報(bào)告學(xué)院：班級(jí)：學(xué)號(hào)：指導(dǎo)老師：1、 課程名稱：狀態(tài)機(jī)的設(shè)計(jì)2、 實(shí)驗(yàn)?zāi)康模杭由顚?duì)狀態(tài)機(jī)設(shè)計(jì)的理解及應(yīng)用，比較moore型和mealy型狀態(tài)機(jī)的不同。3、 實(shí)驗(yàn)內(nèi)容1、mealy型狀態(tài)機(jī)的設(shè)計(jì)程序文本輸入：LIBRARYIEEE;USEIEEE.STD_LOGIC_1164.ALL;ENTITYS_MACHINEISPORT(CLK,RESET,STATE_INPUT:INSTD_LOGIC;COMB_OUTPUT:OUTSTD_LOGIC);ENDS_MACHINE;ARCHITECTUREBEHVOFS_MACHINEISTYPEFSM_STIS(idle,first_one,s

2、econd_one,third_one);SIGNALCURRENT_STATE,NEXT_STATE:FSM_ST;BEGINREG:PROCESS(RESET,CLK)BEGINIFRESET='1'THENCURRENT_STATE<=idle;ELSIFCLK='1'ANDCLK'EVENTTHENCURRENT_STATE<=NEXT_STATE;ENDIF;ENDPROCESS;COM:PROCESS(CURRENT_STATE,STATE_INPUT)BEGINCASECURRENT_STATEISWHENidle=>IF

3、STATE_INPUT='0'THENNEXT_STATE<=idle;COMB_OUTPUT<='0'ELSENEXT_STATE<=first_one;COMB_OUTPUT<='0'ENDIF;WHENfirst_one=>IFSTATE_INPUT='0'THENNEXT_STATE<=idle;COMB_OUTPUT<='0'ELSENEXT_STATE<=second_one;COMB_OUTPUT<='0'ENDIF;WHENsec

4、ond_one=>IFSTATE_INPUT='0'THENNEXT_STATE<=idle;COMB_OUTPUT<= '0'ELSENEXT_STATE<=third_one;COMB_OUTPUT<='1'ENDIF;WHENthird_one=>IFSTATE_INPUT='0'THENNEXT_STATE<=idle;COMB_OUTPUT<='0'ELSENEXT_STATE<=third_one;COMB_OUTPUT<='1'

5、;ENDIF;ENDCASE;ENDPROCESS;ENDBEHV;時(shí)序仿真波形圖Sivdl-iticinfiode：Timnc玲 Mas®The日就20.475ns&卜|Pointer 27Z37n® Interval:251.9ns StallEMA 英 a 代*功能仿真波形圖岳 M-astei Time Bai:A蟲477.65 nz Staik20 475 e 1* Panler4S 12 ns Inteiv-atM電路圖CURRENT STATESelectorlCOMB OUTPUTS4>CO MB_OUTPUTELBGIdF管腳圖（使用模式8）T

6、OJOBaMgStandard融舊問FunctionSpecialFunctoriiErNe-d1P3N_2B3.3-VLVTTLDedicateddockOKOJLVD5CIXIP¥«2題比TP-JMJ13,3-VLVTTLRpwlTO%3UZSTATE_JNPUTPN_15333.3-VLVTTLDedicateddockaLKZfl.VD5CUtZp4|P-MJ743-VLVTTLL股得?限*QIRI候5CLK接CLOCK0,RESET接單脈沖鍵7,STATE_INPUT接CLOCK2,COMB_OUTPUT接揚(yáng)聲器。在實(shí)驗(yàn)箱上揚(yáng)聲器有節(jié)奏的鳴響。2、Moore型狀態(tài)

7、機(jī)的設(shè)計(jì)程序文本輸入：LIBRARYIEEE;USEIEEE.STD_LOGIC_1164.ALL;ENTITYs_machineISPORT(clk,reset,state_input:INSTD_LOGIC;comb_output:OUTSTD_LOGIC);ENDs_machine;ARCHITECTUREbehavOFs_machineISTYPEFSM_STIS(s0,s1,s2,s3);SIGNALcurrent_state,next_state:FSM_ST;BEGINREG:PROCESS(reset,clk)BEGINIFreset='1'THENcurren

8、t_state<=s0;ELSIFCLK'EVENTANDCLK='1'THENcurrent_state<=next_statE;ENDIF;ENDPROCESS;COM:PROCESS(current_state,next_state)BEGINCASEcurrent_stateISWHENs0=>comb_output<='0'IFstate_input='0'THENnext_state<=s0;ELSEnext_state<=s1;ENDIF;WHENs1=>comb_output<

9、;='0'IFstate_input='0'THENnext_state<=s0;ELSEnext_state<=s2;ENDIF;WHENs2=>comb_output<='0'IFstate_input='0'THENnext_state<=s0;ELSEnext_state<=s3;ENDIF;WHENs3=>comb_output<='1'IFstate_input='0'THENnext_state<=s0;ELSEnext_state

10、<=s3;ENDIF;ENDcase;ENDPROCESS;ENDbehav;時(shí)序仿真波形圖1.64u? IrtcivatMasteiTimeBai-20475m.*JPoiniero 9-U-iAelkresttJ 產(chǎn)iu1 2B usJI .耳 s2.56 us;3烏m3.叫 p土4 姆» 475 naJ rLruuwuwuTrLruwuwuwLjWLTLrmjwuWLrmnjULrLmrumr功能仿真波形圖5|»111«(! nn1 =Tiil電路圖statejnput elkresetcurrent state1 >comb ojtDirt管腳圖（使用模式8）TqLocal:ionI/OBankGcntr-slFunctionSpecialFunctionReservedEnabled，金P3N_ZE13a3-VL¥nLCLKO/l¥D5CLKlpYes2I*reetP1N_413.3rVL*nLRmIpLVD522nY&s3變聿rmihWjtpd!P】M_I74a.SrVLvnLRmIpLVD55到DQ1R1Y&s0優(yōu)心jnputPN_I533.3-VL¥