Discussion11.pdf

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Department
Electrical and Computer Engineering
Course
ECE 198
Professor
Herman
Semester
Spring

Description
Your NamenetidGroupNamenetidNamenetidNamenetid ECE 198 Worksheet 11 Controlling a datapath Use the datapath to solve the following problemsIf you want to store the contents of a Register in memory then the address in memory is sent out on Bus A and the data is sent out on Bus B MA BData from the RAM is received through Data In For each subproblem assume the registers begin with the following values and that the data at each memory address is equivalent to its addressFor example Mx12 stores x12 x12 means 18 in hexadecimalUse dont cares where possible R0 R1 R2 R3 R4 R5 R6 R7 x12 x34 x56 x78 x9A xBC xDE xF01 Fill in the control word for the instruction R3R4R51Indicate the contents of the registers after the operationA few fields of the control word have been completed to help you get started Control Word A series of control signals for the different components of the datapath DA AA BA MB FS MD RW 0 1 1 0 0 1R0 R1 R2 R3 R4 R5 R6 R72 Fill in the control word for the instruction R0R1 OR R2Indicate the contents of the registers after the operationDA AA BA MB FS MD RW R0 R1 R2 R3 R4 R5 R6 R73 Find two ways to clear register R4 without modifying any other registersIn other words implement R40State your assumptions and fill in the details for the possible control word below DA AA BA MB FS MD RWDA AA BA MB FS MD RW1
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