Homework Answers
3) what are the advantages of VHDL ?
- main advantage of VHDL it enables the actions of the proposed system to be described and verified before sysnthesis tools translate the design into hardware.
- It is a dataflow language which allows simultaneous execution unlike procedural languages such as C , etc
- VHDL allows to create complex datatypes
- VHDL is a complete type system which allows designers to write much more structured code.
- It has multiple mechanisms to support design heirarchy.
- It has support for multiple levels of abstraction.
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VIVA QUESTIONS: 1. Implement the following function using VHDL coding. (Try to minimize if you can)....
Building and testing basic combinational circuits using Verilog HDL Description: Build and test the following circuits using gate-level modeling in Verilog HDL 1.3-input majority function 2.Condition...
Building and testing basic combinational circuits using Verilog HDL Description: Build and test the following circuits using gate-level modeling in Verilog HDL 1.3-input majority function 2.Conditional inverter (see the table below: x - control input, y -data input). Do NOT use XOR gates for the implementation. Output 3. Two-input multiplexer (see the table below: x.y -data inputs, z- control input) Output 4. 1-bit half adder. 5. 1-bit full adder by cascading two half adders 6.1-bit full adder directly (as in...
Implement Full adder using 8 times 1 multiplexer. Implement Full adder using 4 times 1 multiplexer....
Implement Full adder using 8 times 1 multiplexer. Implement Full adder using 4 times 1 multiplexer. Show the Implementation adding two (4-bit numbers) using full adders. What is the main difference between pulse-trigger, positive-edge trigger and negative-edge trigger D Flip-flop? Design and implement a sequential circuit that can detect the code "111"with repetition. Show the state diagram, stale table and the circuit.
Building and testing basic combinational circuits using Verilog HDL Description: Build and test t...
Building and testing basic combinational circuits using Verilog HDL Description: Build and test the following circuits using gate-level modeling in Verilog HDL. 1. 3-input majority function. 2. Conditional inverter (see the table below: x - control input, y - data input). Do NOT use XOR gates for the implementation. x y Output 0 y 1 y' 3. Two-input multiplexer (see the table below: x,y - data inputs, z - control input). z Output 0 x 1 y 4. 1-bit half...
I need help with part 1 and part 2 if anyone can help me out. To...
I need help with part 1 and part 2 if anyone can help me out. To
draw the schematic we use logic.ly. Thank you for your help.
Combinational Gates: Part A 1) 2 to 4 Decoder a. Draw a 2 input to 4 output decoder. Utilize class notes, ZYBooks, and other online resources to determine the proper schematic and functionality b. Create a truth table. c. Explain what the circuit is used for. d. Include 1 screen shot in your...
WITHOUT using VHDL coding, Design the arithmetic unit by showing the truth tables, expressions and the...
WITHOUT using VHDL coding, Design the arithmetic unit by
showing the truth tables, expressions and the logic circuits!
How would I also implement the status flags (Z,C,V) in my
circuit?
S2 0 1 1. Design a 4-bit Arithmetic Logic Unit (ALU) according to the following specification. Follow the design shown during the lecture. Notice this table is different, though. A(0:3) B(0:3) S1 So Function (F) 0 0 A+B 0 0 A-B Z ALU 0 0 A-1 0 A +1 0...
Prof. Tassos Dimitriou Homework 3 Deadline: Monday, April 1, 2019, IN CLASS Problem 3 [10 points ...
problem3
Prof. Tassos Dimitriou Homework 3 Deadline: Monday, April 1, 2019, IN CLASS Problem 3 [10 points a) (5 points) Construct a circuit that takes as input a 3-bit number X - X2XiXo and increments it by one. Le. if the input is 101 the output should be 110. Use only half adders. b) Construct a circuit that takes as input a 3-bit number X-xx,xo and decrements it by one. 1. (5 points) Show the truth table of the circuit....
Multiplexer Example Implement the following Boolean function using a 4x1 Mux;
Multiplexer Example Implement the following Boolean function using a 4x1 Mux; F(x,y,z) = Σ (1,2,6,7) Decoder Example Implement the following functions for a full adder using decoder; S(x,y,z) = Σ (1,2,4,7) C(x,y,z) = Σ (3,5,6,7) Implement the following Boolean function; F(x,y,z) = Σ (0,2,3,7): Using; 1. Two 2x4 decoders and logic gates 2. One 4x1 multiplexer Decoder . Draw the truth table for the function to be implemented. . Pick the terms for output. . Derive appropriate logic to combine terms. . Use two 2x4 decoders to make one3x8 decoder. . Pay attention to fact...
1 Simulations to verify a 4-bit Register Simulate and verify a 4-bit Register using behavioral VHDL...
1 Simulations to verify a 4-bit Register Simulate and verify a 4-bit Register using behavioral VHDL code in ModelSim. Recall that sequential circuits depend on both present and past state. Sequential circuits are in contrast to combinational circuits, which depend on input values from only the present state. Fur- thermore, recall that a flip-flop is a fundamental circuit used to create more complex sequential circuits. A register is an array of storage components, such as flip-flops. For example, a 4-bit...
Model the following using Structural Verilog and write a Test Bench. a. Half adder b. Full...
Model the following using Structural Verilog and write a Test Bench. a. Half adder b. Full adder c 4 1 Multiplexer d. 2-to-4-Line Decoder 2. Model the following using Behavioral Verilog and write a Test Bench. a. Half adder b. 4-bit Up counter c. Positive edge triggered D Flip Flop d. Positive edge triggered JK Flip Flop
We know that the NAND gate is universal, so all other gates can be built using...
We know that the NAND gate is universal, so all other gates can be built using just NAND gates. Hence we should be able to build a half-adder using NAND gates. And we can. a) Draw the AND operation as a circuit using only 2 NAND gates [2 marks] b) Check your design in (a) by showing the full truth table for it [2 marks] c) Draw the OR operation as a circuit using only 3 NAND gates [2 marks]...
Building and testing basic combinational circuits using Verilog HDL Description: Build and test the following circuits using gate-level modeling in Verilog HDL 1.3-input majority function 2.Conditional inverter (see the table below: x - control input, y -data input). Do NOT use XOR gates for the implementation. Output 3. Two-input multiplexer (see the table below: x.y -data inputs, z- control input) Output 4. 1-bit half adder. 5. 1-bit full adder by cascading two half adders 6.1-bit full adder directly (as in...
Implement Full adder using 8 times 1 multiplexer. Implement Full adder using 4 times 1 multiplexer. Show the Implementation adding two (4-bit numbers) using full adders. What is the main difference between pulse-trigger, positive-edge trigger and negative-edge trigger D Flip-flop? Design and implement a sequential circuit that can detect the code "111"with repetition. Show the state diagram, stale table and the circuit.
I need help with part 1 and part 2 if anyone can help me out. To
draw the schematic we use logic.ly. Thank you for your help.
Combinational Gates: Part A 1) 2 to 4 Decoder a. Draw a 2 input to 4 output decoder. Utilize class notes, ZYBooks, and other online resources to determine the proper schematic and functionality b. Create a truth table. c. Explain what the circuit is used for. d. Include 1 screen shot in your...
WITHOUT using VHDL coding, Design the arithmetic unit by
showing the truth tables, expressions and the logic circuits!
How would I also implement the status flags (Z,C,V) in my
circuit?
S2 0 1 1. Design a 4-bit Arithmetic Logic Unit (ALU) according to the following specification. Follow the design shown during the lecture. Notice this table is different, though. A(0:3) B(0:3) S1 So Function (F) 0 0 A+B 0 0 A-B Z ALU 0 0 A-1 0 A +1 0...
problem3
Prof. Tassos Dimitriou Homework 3 Deadline: Monday, April 1, 2019, IN CLASS Problem 3 [10 points a) (5 points) Construct a circuit that takes as input a 3-bit number X - X2XiXo and increments it by one. Le. if the input is 101 the output should be 110. Use only half adders. b) Construct a circuit that takes as input a 3-bit number X-xx,xo and decrements it by one. 1. (5 points) Show the truth table of the circuit....
1 Simulations to verify a 4-bit Register Simulate and verify a 4-bit Register using behavioral VHDL code in ModelSim. Recall that sequential circuits depend on both present and past state. Sequential circuits are in contrast to combinational circuits, which depend on input values from only the present state. Fur- thermore, recall that a flip-flop is a fundamental circuit used to create more complex sequential circuits. A register is an array of storage components, such as flip-flops. For example, a 4-bit...
Model the following using Structural Verilog and write a Test Bench. a. Half adder b. Full adder c 4 1 Multiplexer d. 2-to-4-Line Decoder 2. Model the following using Behavioral Verilog and write a Test Bench. a. Half adder b. 4-bit Up counter c. Positive edge triggered D Flip Flop d. Positive edge triggered JK Flip Flop
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