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Control Unit Working

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Peeyush Pashine
Peeyush Pashine
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Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R2 Z 1
Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R1 2 Z 2
Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R1 2 Z 3
Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite Read MAR IR MDR Constant 4 Y R1 R1 2 Z 4
Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite Read MAR IR MDR Constant 4 Y R1 Select4 R1 2 Z 5
Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite Read MAR IR MDR Constant 4 Y R1 Select4 R1 ADD 2 PC+4 Z 6
Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite Read MAR IR MDR Constant 4 Y R1 Select4 R1 2 ADD PC+4 Z 7
Zout, Pcin, Yin, WMFC Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R2 R1 2 Z 8
Zout, Pcin, Yin, WMFC Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R1 2 Z 9
Zout, Pcin, Yin, WMFC Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R2 1 Z 10
Zout, Pcin, Yin, WMFC Control/Decode PC Unite MAR IR WMFC MDR Constant 4 Y Waiting for the Data to come from the memory. R1 When the data or Instruction is available, it will be Latched into MDR R1 2 Z 11
MDRout, IRin Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R2 1 Z 12
MDRout, IRin Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 R2 Z 13
R1out, Yin, SELECTY Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 R2 Z 14
R1out, Yin, SELECTY Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 R2 Z 15
R1out, Yin, SELECTY Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 Z 16
R2out, ADD, Zin Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 Z 17
R2out, ADD, Zin Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 ADD Z 18
R2out, ADD, Zin Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 ADD Z 19
Zout, R1in, END Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 ADD Z 20
Zout, R1in, END Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 ADD Z 21
Zout, R1in, END Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 ADD Z 22

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Control Unit Working

  • 1. Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R2 Z 1
  • 2. Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R1 2 Z 2
  • 3. Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R1 2 Z 3
  • 4. Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite Read MAR IR MDR Constant 4 Y R1 R1 2 Z 4
  • 5. Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite Read MAR IR MDR Constant 4 Y R1 Select4 R1 2 Z 5
  • 6. Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite Read MAR IR MDR Constant 4 Y R1 Select4 R1 ADD 2 PC+4 Z 6
  • 7. Pcout, MARin, Read, Select4, Add, Zin Control/Decode PC Unite Read MAR IR MDR Constant 4 Y R1 Select4 R1 2 ADD PC+4 Z 7
  • 8. Zout, Pcin, Yin, WMFC Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R2 R1 2 Z 8
  • 9. Zout, Pcin, Yin, WMFC Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R1 2 Z 9
  • 10. Zout, Pcin, Yin, WMFC Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R2 1 Z 10
  • 11. Zout, Pcin, Yin, WMFC Control/Decode PC Unite MAR IR WMFC MDR Constant 4 Y Waiting for the Data to come from the memory. R1 When the data or Instruction is available, it will be Latched into MDR R1 2 Z 11
  • 12. MDRout, IRin Control/Decode PC Unite MAR IR MDR Constant 4 Y R1 R2 1 Z 12
  • 13. MDRout, IRin Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 R2 Z 13
  • 14. R1out, Yin, SELECTY Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 R2 Z 14
  • 15. R1out, Yin, SELECTY Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 R2 Z 15
  • 16. R1out, Yin, SELECTY Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 Z 16
  • 17. R2out, ADD, Zin Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 Z 17
  • 18. R2out, ADD, Zin Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 ADD Z 18
  • 19. R2out, ADD, Zin Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 ADD Z 19
  • 20. Zout, R1in, END Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 ADD Z 20
  • 21. Zout, R1in, END Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 ADD Z 21
  • 22. Zout, R1in, END Control/Decode PC Unite MAR IR MDR ADD R1, R2 Constant 4 Y R1 SelectY R2 ADD Z 22