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1、PLD段码显示libraryieee;useieee.std_logic_1164.all;entityduanmaisport(fff:outbit_vector(1to5);aaa:outbit_vector(1to5));end;architecturekkofduanmaisbeginfff(1to5)<="11111";aaa(1to5)<="11111";end;PLD三个数加法编程libraryieee;useieee.std_logic_1164.all;entityjwisport(in1,in
2、2:inintegerrange0to15;a,b:outstd_logic_vector(1to7));end;architectureggofjwissignalhe:integerrange0to45;36/36beginhe<=in1+in2;withheselecta<="1111110"when0
3、10
4、20
5、30
6、40,"0110000"when1
7、11
8、21
9、31
10、41,"1101101"when2
11、12
12、22
13、32
14、42,"1111001"when3
15、13
16、23
17、33
18、43,"0110011"w
19、hen4
20、14
21、24
22、34
23、44,"1011011"when5
24、15
25、25
26、35
27、45,"1011111"when6
28、16
29、26
30、36,"1110000"when7
31、17
32、27
33、37,"1111111"when8
34、18
35、28
36、38,"1111011"when9
37、19
38、29
39、39,"0000000"whenothers;withheselectb<="0000000"when0<=heandhe<=9,else"0110000"when10<=heandhe<=19,else"1101101"when20<=hea
40、ndhe<=29,else"1111001"when30<=heandhe<=39,else36/36"0110011"when40<=heandhe<=39,else"0000000"whenothers;end;PLD八个按键两个灯libraryieee;useieee.std_logic_1164.all;entityguozi3isport(in1,in2:instd_logic_vector(1to4);a,b:outstd_logic_vector(1to8));end;architectureggo
41、fguozi3isbeginwithin1select"0110000"when"0001","1101101"when"0010","1111001"when"0011","0110011"when"0100","1011011"when"0101","1011111"when"0110","1110000"when"0111",36/36"1111111"when"1000","1111011"when"1001","0000000"whenothers;within2selectb<="0110000"wh
42、en"0001","1101101"when"0010","1111001"when"0011","0110011"when"0100","1011011"when"0101","1011111"when"0110","1110000"when"0111","1111111"when"1000","1111011"when"1001","0000000"whenothers;end;PLD顺序语句编程(0加到9)libraryieee;useieee.std_logic_1164.all;entityjinche
43、nisport(in1:instd_logic;a:outstd_logic_vector(1to7));36/36end;architectureggofjinchenissignalss:integerrange0to9;beginprocessbeginwaituntilin1='1';ss<=ss+1;ifss=10thenss<=0;endif;endprocess;withssselecta<="1111110"when0,"0110000"when1,"1101101"when2,"1111001"
44、when3,"0110011"when4,"1011011"when5,"1011111"when6,"1110000"when7,"1111111"when8,36/36"1111011"when9,"0000000"whenothers;end;PLD矢量10个控制2个数码管libraryieee;useieee.std_logic_1164.all;entity k
