Question

II. III. Chapter 4: The Processor Exercise 4.41, 4.42, and 4.43 (page 358) Draw an abstract view of MIPS data path. List the key components of data path, and for each key components, please describe the functions and purposes using your own words. You can answer the above question by filling the following table. Components PC (program counter) Functions and Purposes Holds the address of the next instruction

Answer 1

Instruction memory Instruction is read from memory Registers This will do read and write operation in register. Base address of memory word to be loaded Is read from register and fed to ALU ALU For basic arithmetic operation. Data Memory Word is read from memory and written into register Controller causes correct transfer of data through path Controller Path diagram pC Registers Instructon memory Data memory ALU Controller