Simulation Lab 4 Answer Sheet Arizona State University EEE 120
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Course
EEE 120 Digital Fundamentals
Institution
EEE 120 Digital Fundamentals
EEE 120
Simulation Lab 4 Answer Sheet
The Microprocessor
Name: Shondel Wright
Task 4-1: Build the Addressing Logic
Include a picture of your Logisim addressing logic circuit here:
Task 4-2: Build a 4-Bit ROM Memory Cell
Include a picture of your Logisim 4-bit ROM circuit here:
2
Task 4-...
Simulation Lab 4 Answer Sheet
The Microprocessor
Name: Shondel Wright
Date: 2/24/2018
Task 4-1: Build the Addressing Logic
Include a picture of your Logisim addressing logic circuit here:
Task 4-2: Build a 4-Bit ROM Memory Cell
Include a picture of your Logisim 4-bit ROM circuit here:
1
,Task 4-3: Build 4-Bit Output Port
Include a picture of your Logisim 4-bit output port circuit here:
Test your circuit and record the results in Table 1.
Table 1
Data Bus Memory
(4-bit binary) Write Select Q
0011 1 1 3
0101 1 1 5
0101 1 0 5
1111 0 0 F
2
, Task 4-4: Build the 4-Bit RAM Cell
Include a picture of your Logisim 4-bit RAM circuit here:
Test your circuit and record the results in Table 2. Include a picture of your Logisim 4-bit RAM circuit
testing set up.
Table 2
Data Bus Memory Q {between register Data Bus {after
(4-bit binary) Write Select Read and buffer} buffer}
0000 0 0 0 0000 No Output
1111 1 1 1 1111 1111
1001 1 1 1 1001 1001
0110 1 1 1 0110 0110
0000 1 1 0 0000 No Output
0110 0 1 1 0000 0000
3
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