Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

BLOCK DIAGRAM OF HARDWIRED CONTROL UNIT

12,258 views

Published on

BLOCK DIAGRAM OF HARDWIRED CONTROL UNIT IN CA

Published in: Education
  • Be the first to comment

BLOCK DIAGRAM OF HARDWIRED CONTROL UNIT

  1. 1. COMPUTER ARCHITECTURE NAME-RAHUL SHARMA COURSE-BCA 3RD SEM (E) FACULTY-MRS. SUMAN SINGH
  2. 2. BLOCK DIAGRAM OF HARDWIRED CONTROL UNIT CONTROL UNIT
  3. 3. KINDS OF CONTROL UNIT • THERE ARE TWO KINDS OF CONTROL UNIT 1) HARDWIRED CONTROL UNIT 2) MICRO PROGRAMMED CONTROL UNIT
  4. 4. HARDWIRES CONTROL UNIT • CONTROL UNIT IS MADE UP OF SEQUENTIAL AND COMBINATIONAL CIRUITS TO GENERATE THE CONTROL SIGNALS. • ADVANTAGE-CAN BE OPTIMEZED TO PRODUCED FAST MODE OF OPERATION • DISADVANTAGE-REQUIRE CHANGE IN WIRING IF THE DESIGNED HAS TO BE CONTROLLED
  5. 5. Computer Architecture BCA203 by Suman Singh 5 Hardwired Timing And Control Unit Control unit of Basic Computer Instruction register (IR) 15 14 13 12 11 - 0 3 x 8 decoder 7 6 5 4 3 2 1 0 I D 0 15 14 . . . . 2 1 0 4 x 16 decoder 4-bit sequence counter (SC) Increment (INR) Clear (CLR) Clock Other inputs Control signals D T T 7 15 0 Combinational Control logic

×