SEQUENTIAL CIRCUITS

1. P.SIVA NAGENDRA REDDY

2. BARREL SHIFTER:
Siva Nagendra

3. Siva Nagendra

4. Siva Nagendra

5. Siva Nagendra

6. Siva Nagendra

7. Siva Nagendra

8. Siva Nagendra

9. FLOATING POINT ENCODER:
Siva Nagendra

10. Siva Nagendra

11. Siva Nagendra

12. Siva Nagendra

13. Siva Nagendra

14. Siva Nagendra

15. Siva Nagendra

16. Siva Nagendra

17. Siva Nagendra

18. Siva Nagendra

19. Siva Nagendra

20. COMPARATOR:
Siva Nagendra

21. 7485
Siva Nagendra

22. Siva Nagendra

23. Siva Nagendra

24. Siva Nagendra

25. ONES COUNTER:
Siva Nagendra

26. Siva Nagendra

27. Siva Nagendra

28. FLIP FLOP:
 SR FLIP-FLOP
 JK FLIP-FLOP
 D FLIP-FLOP
 T FLIP-FLOP
Siva Nagendra

29. Siva Nagendra

30. Siva Nagendra

31. Siva Nagendra

32. REGISTERS:
Siva Nagendra

33. library ieee;
use ieee.std_logic_1164.all;
entity shift is
port (CLK, RST, LOAD : in bit;
Data : in bit_vector(0 to 7);
Q : out bit_vector(0 to 7));
end rotate;
Siva Nagendra

34. architecture shifter1 of shift is
begin
reg : process(RST, CLK)
variable reg : bit_vector(0 to 7);
begin
if(RST = '1') then
reg := "00000000";
elsif(CLK = '1' and CLK'event) then
if(LOAD = '1') then reg := Data;
. else
reg := reg(1 to 7) & reg(0);
end if;
end if;
Q <= reg;
end process;
end shifter1;
Siva Nagendra

35. Siva Nagendra

36. Siva Nagendra

37. Siva Nagendra

38. COUNTER:
Siva Nagendra

39. Siva Nagendra

40. Siva Nagendra

41. Siva Nagendra

42. Siva Nagendra

43. Siva Nagendra

44. Siva Nagendra

45. Siva Nagendra

46. Siva Nagendra

47. Siva Nagendra

48. Siva Nagendra

49. UP/DOWN COUNTER:
Siva Nagendra

50. Siva Nagendra

51. Siva Nagendra

52. Siva Nagendra

53. Siva Nagendra

54. USR:
Siva Nagendra

55. 8-BIT USR:
Siva Nagendra

56. Siva Nagendra

57. Siva Nagendra

58. Siva Nagendra

59. ?
Siva Nagendra

60. Siva Nagendra