ISE實(shí)現(xiàn)多功能數(shù)字鐘設(shè)計(jì)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上精選優(yōu)質(zhì)文檔-傾情為你奉上專心-專注-專業(yè)專心-專注-專業(yè)精選優(yōu)質(zhì)文檔-傾情為你奉上專心-專注-專業(yè)任務(wù)要求用FPGA器件和EDA技術(shù)實(shí)現(xiàn)多功能數(shù)字鐘的設(shè)計(jì)。基本功能要求：能顯示小時(shí)、分鐘、秒鐘（時(shí)、分用7段LED顯示器，秒用LED燈）。 小時(shí)計(jì)數(shù)器為同步24進(jìn)制； 要求手動(dòng)校時(shí)、校分。擴(kuò)展功能要求：任意時(shí)刻鬧鐘； 小時(shí)顯示（12/24）切換電路 自動(dòng)報(bào)整點(diǎn)時(shí)數(shù)。建立工程在ISE 14,9軟件中建立名為clock 的工程文件。芯片系列選擇Spatan3E,具體芯片型號(hào)選擇XC3S100E,封裝類型選擇CP132,速度信息選擇-5。原理設(shè)計(jì)頂層模塊設(shè)計(jì)創(chuàng)建名為top_c

2、lock的文件，本設(shè)計(jì)中頂層模塊用于調(diào)用各個(gè)子模塊，以及將鬧鐘與整點(diǎn)報(bào)時(shí)模塊綜合在內(nèi)，頂層源碼如下：module top_clock(input Hchange,/24小時(shí)，12小時(shí)切換信號(hào)input Change,/用來進(jìn)行時(shí)分和秒的顯示切換input CLK_50,/50MHz時(shí)鐘input nCR,EN,Clock_EN,input Adj_Min,Adj_Hour,Adj_Clock,/使能信號(hào)，小時(shí)分鐘調(diào)時(shí)允許信號(hào),鬧鐘使能信號(hào)（撥鈕開關(guān)）output 6:0 HEX0,output reg Led_Alarm,output reg 3:0 HEX/共陽極數(shù)碼管對(duì)應(yīng)端);reg Al

3、arm;wire ENM_L,ENM_H,ENH;wire 7:0 Hour_24,TMinute,TSecond,CHour,CMinute;/中間變量聲明,正常時(shí)鐘變量和鬧鐘時(shí)鐘變量wire 7:0 Hour_12,Display_HourT,Display_HourAdjust;reg 3:0 bcd=4b0000;/記載數(shù)碼管所要顯示的數(shù)據(jù)reg 7:0 Display_Hour,Minute;reg LD_6_RADIO;reg 7:0 sum,counter;supply1 Vdd; wire CP_1Hz;/=分頻=Divider50MHz U0(.CLK_50M(CLK_50)

4、,.nCLR(nCR),.CLK_1HzOut(CP_1Hz);/用以時(shí)鐘計(jì)數(shù)的CPdefparam U0.N = 25,U0.CLK_Freq = ,U0.OUT_Freq = 1;Divider50MHz U1(.CLK_50M(CLK_50),.nCLR(nCR),.CLK_1HzOut(CP_200Hz);/用以動(dòng)態(tài)掃描的CP,供給數(shù)碼管defparam U1.N = 18,U1.CLK_Freq = ,U1.OUT_Freq = 200;/=60進(jìn)制秒計(jì)數(shù)器=Scounter10 S0(TSecond3:0,nCR,EN,CP_1Hz);/秒：個(gè)位Scounter6 S1(TSeco

5、nd7:4,nCR,(TSecond3:0=4h9),CP_1Hz);/秒：十位/=60進(jìn)制分計(jì)數(shù)器=Mcounter10 M0(TMinute3:0,nCR,ENM_L,EN,CP_1Hz);/分：個(gè)位Mcounter6 M1(TMinute7:4,nCR,ENM_H,EN,CP_1Hz);/分：十位assign ENM_L=Adj_Min?Vdd:(TSecond=8h59);/分鐘按書上CP調(diào)時(shí)assign ENM_H=(Adj_Min&(TMinute3:0=4h9)|(TMinute3:0=4h9)&(TSecond=8h59); /24小時(shí)制 counter24 H0(Hour_2

6、47:4,Hour_243:0,nCR,ENH,EN,CP_1Hz);assign ENH = Adj_Hour?Vdd:(TMinute=8h59)&(TSecond=8h59);/=12小時(shí)與24小時(shí)進(jìn)制切換控制=assign Display_HourAdjust=(Hour_24=8h20)|(Hour_24=8h21)?(Hour_24-24):(Hour_24-18);assign Hour_12 = (Hour_248h13)?Hour_24:Display_HourAdjust;assign Display_HourT = Hchange?Hour_12:Hour_24;/=鬧鐘

7、=/-時(shí)鐘秒-/counter60 CCS(nCR,CP_1Hz,EN,CSecond7:4,CSecond3:0);/-時(shí)鐘分-counter60 CCM(nCR,CP_1Hz,CMin_EN,CMinute7:4,CMinute3:0);/-產(chǎn)生分使能信號(hào)-assign CMin_EN = (!EN & Adj_Clock & Adj_Min);/-時(shí)鐘時(shí)-Counter24C CCH(nCR,CP_1Hz,CHour_EN,CHour7:4,CHour3:0);/-產(chǎn)生時(shí)使能信號(hào)-assign CHour_EN = (!EN & Adj_Clock & Adj_Hour);/-鬧鐘響-a

8、lways(EN or Clock_EN) /鬧鐘開關(guān)beginif(EN & Clock_EN & (CHour = Display_HourT) & (CMinute = TMinute)Alarm = 1;else Alarm = 0;endalways(posedge CLK_50 or negedge EN or negedge Alarm) /表示鬧鐘的LEDbeginif(EN) Led_Alarm = 0;elsebeginif(Alarm) Led_Alarm = 0;else Led_Alarm = Led_Alarm;endend/alarm_clock AL0(Hour

9、24,Minute,CP_1Hz,Set_Alarm,Close_clock,nCR,KeySet_Hour_ev,KeySet_Minute_ev,LD_7,Alarm_Hour,Alarm_Minute);/=數(shù)碼顯示=always(Adj_Clock)/確定數(shù)碼管顯示鬧鐘還是正常時(shí)鐘beginif(Adj_Clock) begin Display_Hour = CHour;Minute = CMinute;endelse begin Display_Hour = Display_HourT;Minute = TMinute;endendalways(posedge CP_200Hz)be

10、ginif(Change=1)/數(shù)碼管進(jìn)行時(shí)分顯示begincase(HEX)4b1110: begin HEX=4b0111; bcd= Display_Hour 7:4; end/第一根數(shù)碼管顯示小時(shí)十位4b0111: begin HEX=4b1011; bcd= Display_Hour 3:0; end/第二根顯示小時(shí)個(gè)位4b1011: begin HEX=4b1101; bcd= Minute 7:4; end/第三根顯示分鐘十位4b1101: begin HEX=4b1110; bcd= Minute 3:0; end/第四根顯示分鐘個(gè)位default: begin HEX=011

11、1; bcd=Display_Hour 7:4; endendcaseendelse/數(shù)碼管進(jìn)行秒顯示,change為低電平時(shí)顯示秒begincase(HEX)4b1110: begin HEX=4b1101; bcd= TSecond 7:4; end/第三根顯示秒十位4b1101: begin HEX=4b1110; bcd= TSecond 3:0; end/第四根顯示秒個(gè)位default: begin HEX=1101; bcd= TSecond 7:4; endendcaseendendSEG7_LUT L0(HEX0,bcd);/調(diào)用數(shù)碼管子函數(shù)/=整點(diǎn)報(bào)時(shí)=assign LD_6

12、 = LD_6_RADIO; always(CP_1Hz) begin if(Minute7:0 = 8h00) & (counter7:0 (Hour_247:4*10 + Hour_243:0) begin LD_6_RADIO = CP_1Hz; end else begin LD_6_RADIO = 0; end end always(posedge CP_1Hz) if(Minute7:0=8h00) begin counter7:0=counter7:0+1b1; end else begin counter7:0=8h00; endendmodule頂層模塊設(shè)計(jì)圖子模塊設(shè)計(jì)50M

13、Hz分頻器module Divider50MHz(CLK_50M,nCLR,CLK_1HzOut);parameter N = 25;/位寬parameter CLK_Freq = ;/50MHz時(shí)鐘輸入parameter OUT_Freq = 1;/1Hz時(shí)鐘輸出input nCLR,CLK_50M;/輸入端口說明output reg CLK_1HzOut;/輸出端口說明reg N-1:0 Count_DIV;/內(nèi)部節(jié)點(diǎn)，存放計(jì)數(shù)器的輸出值always(posedge CLK_50M or negedge nCLR)beginif(!nCLR) begin CLK_1HzOut = 0; C

14、ount_DIV = 0; endelse beginif(Count_DIV (CLK_Freq/(2*OUT_Freq)-1)/計(jì)數(shù)器模Count_DIV = Count_DIV + 1b1;/分頻器計(jì)數(shù)加1else beginCount_DIV = 0;/分頻器輸出清零CLK_1HzOut = CLK_1HzOut;/輸出信號(hào)取反endend endendmodule秒模10計(jì)數(shù)器module Scounter10(Q,nCR,EN,CP);input CP,nCR,EN;output Q;reg 3:0 Q;always (posedge CP or negedge nCR)begin

15、 if(nCR) Q = 4b0000;/異步清零else if(EN) Q = Q; /暫停計(jì)數(shù)else if(Q=4b1001) Q = 4b0000;else Q = Q + 1b1;end秒模6計(jì)數(shù)器module Scounter6(Q,nCR,EN,CP);input CP,nCR,EN;output Q;reg 3:0 Q;always (posedge CP or negedge nCR)begin if(nCR) Q = 4b0000;/異步清零else if(EN) Q = Q; /暫停計(jì)數(shù)else if(Q=4b0101) Q = 4b0000;else Q = Q + 1

16、b1;end分模10計(jì)數(shù)器module Mcounter10(Q,nCR,EN1,EN2,CP);input CP,nCR,EN1,EN2;output Q;reg 3:0 Q;always (posedge CP or negedge nCR)begin if(nCR) Q = 4b0000;/異步清零else if(EN1|!EN2) Q = Q; /暫停計(jì)數(shù)else if(Q=4b1001) Q = 4b0000;else Q = Q + 1b1;end分模6計(jì)數(shù)器module Mcounter6(Q,nCR,EN1,EN2,CP);input CP,nCR,EN1,EN2;output

17、 Q;reg 3:0 Q;always (posedge CP or negedge nCR)begin if(nCR) Q = 4b0000;/異步清零else if(EN1|EN2) Q = Q; /暫停計(jì)數(shù)else if(Q=4b0101) Q = 4b0000;else Q = Q + 1b1;end模24計(jì)數(shù)器module counter24(CntH,CntL,nCR,EN1,EN2,CP);input CP,nCR,EN1,EN2;output reg 3:0 CntH,CntL;/小時(shí)的十位和個(gè)位輸出always(posedge CP or negedge nCR)begini

18、f(nCR) CntH,CntL = 8h00; /異步清零else if(EN1|EN2) CntH,CntL 2|(CntL9)|(CntH)=2&(CntL)=3)CntH,CntL = 8h00; /對(duì)小時(shí)計(jì)數(shù)器出錯(cuò)時(shí)的處理else if(CntH)=2&(CntL)3) /進(jìn)行2023計(jì)數(shù)begin CntH =CntH; CntL = CntL + 1b1; endelse if(CntL=9) /小時(shí)十位的計(jì)數(shù)begin CntH =CntH + 1b1; CntL = 4b0000; endelse begin CntH = CntH; CntL = CntL + 1b1; e

19、nd endendmodule模60計(jì)數(shù)器module counter60(nCLR,Clk,EN,CntH,CntL); input nCLR,Clk,EN; output reg 3:0 CntH,CntL; always(posedge Clk or negedge nCLR) beginif(nCLR)CntH,CntL = 0; /異步清零else if(EN)CntH,CntL 5)|(CntL 9)|(CntH = 5)&(CntL = 9)CntH,CntL = 8h00; /異常處理else if(CntL = 9)begin CntH = CntH + 1b1;CntL =

20、 0;end /十位計(jì)數(shù)elsebegin CntH = CntH;CntL = CntL + 1b1;end /個(gè)位計(jì)數(shù) endendmodule數(shù)碼管顯示module SEG7_LUT(oSEG,iDIG);input 3:0 iDIG;/二進(jìn)制輸入output reg 6:0 oSEG; /7段碼輸出always(iDIG)begincase(iDIG)4h0: oSEG = 7b000_0001;4h1: oSEG = 7b100_1111;4h2: oSEG = 7b001_0010;4h3: oSEG = 7b000_0110;4h4: oSEG = 7b100_1100;4h5:

21、 oSEG = 7b010_0100;4h6: oSEG = 7b010_0000;4h7: oSEG = 7b000_1111;4h8: oSEG = 7b000_0000;4h9: oSEG = 7b000_0100;default: oSEG=7b;endcaseendendmodule各模塊仿真模10計(jì)數(shù)器測(cè)試代碼：/ Inputsreg nCR;reg EN;reg CP;/ Outputswire 3:0 Q;/ Instantiate the Unit Under Test (UUT)counter10 uut (.Q(Q), .nCR(nCR), .EN(EN), .CP(CP

22、);parameter PERIOD =40;/時(shí)鐘信號(hào)周期設(shè)置為40nsalways beginCP=1b0;#(PERIOD/2) CP=1b1;#(PERIOD/2);endinitial begin/ Initialize InputsnCR = 0;EN = 1;CP = 1;/ Wait 100 ns for global reset to finish#100; nCR=1;/ Add stimulus hereendendmodule模6計(jì)數(shù)器測(cè)試代碼：/ Inputsreg nCR;reg EN;reg CP;/ Outputswire 3:0 Q;/ Instantiate

23、 the Unit Under Test (UUT)counter6 uut (.Q(Q), .nCR(nCR), .EN(EN), .CP(CP);parameter PERIOD =40;/時(shí)鐘信號(hào)周期設(shè)置為40nsalways beginCP=1b0;#(PERIOD/2) CP=1b1;#(PERIOD/2);endinitial begin/ Initialize InputsnCR = 0;EN = 1;CP = 1;/ Wait 100 ns for global reset to finish#100;nCR =1;/ Add stimulus hereendendmodule

24、模24計(jì)數(shù)器測(cè)試代碼：/ Inputsreg nCR;reg EN;reg CP;/ Outputswire 3:0 CntH;wire 3:0 CntL;/ Instantiate the Unit Under Test (UUT)counter24 uut (.CntH(CntH), .CntL(CntL), .nCR(nCR), .EN(EN), .CP(CP);parameter PERIOD =40;/時(shí)鐘信號(hào)周期設(shè)置為40nsalways beginCP=1b0;#(PERIOD/2) CP=1b1;#(PERIOD/2);endinitial begin/ Initialize

25、InputsnCR = 0;EN = 1;CP = 1;/ Wait 100 ns for global reset to finish#100; nCR=1;/ Add stimulus hereendendmodule模60計(jì)數(shù)器測(cè)試代碼：/ Inputsreg nCLR;reg Clk;reg EN;/ Outputswire 3:0 CntH;wire 3:0 CntL;/ Instantiate the Unit Under Test (UUT)counter60 uut (.nCLR(nCLR), .Clk(Clk), .EN(EN), .CntH(CntH), .CntL(Cnt

26、L);parameter PERIOD =40;/時(shí)鐘信號(hào)周期設(shè)置為40nsalways beginClk=1b0;#(PERIOD/2) Clk=1b1;#(PERIOD/2);endinitial begin/ Initialize InputsnCLR = 0;Clk = 1;EN = 1;/ Wait 100 ns for global reset to finish#100;nCLR=1;/ Add stimulus hereendendmodule引腳分配NET CLK_50 TNM_NET = CLK_50;TIMESPEC TS_CLK_50 = PERIOD CLK_50 2

27、0 ns HIGH 50%;NET CLK_50 LOC = B8;NET nCR LOC = P11;NET EN LOC = L3;NET Adj_Min LOC = K3;NET Adj_Hour LOC = B4;NET Change LOC = G3;NET Led_Alarm LOC = N4;NET Adj_Clock LOC = E2;NET Clock_EN LOC = N3;NET HEX06 LOC = L14;NET HEX05 LOC = H12;NET HEX04 LOC = N14;NET HEX03 LOC = N11;NET HEX02 LOC = P12;NET HEX01 LOC = L13;NET HEX00 LOC = M12;NET HEX0 LOC = F12;NET H