11. Control Unit, Cont.

Control unit includes

• Instruction Register IR

• Instruction Pointier IP (aka Program Counter PC)

FSM outputs of the control unit,

    - - - - ->

shown by dash lines, have two purposes:

1. Control processing that takes place inside the ALU.

2. Authorize read/write gate control of the CPU data-path.

Control unit demo: cjumpcxx.exe ->
CPU, memory, Assembly ->
Protected memory.