Question

Derive the state diagram, state table, state assignment table,
and logic network using T flop-flops for the following
circuit:

A FSM has input w and output z. The machine has to generate
z=1 when the previous four values of w were 1001 or 1111; otherwise
z=0. Overlapping patterns are allowed. An example of the desired
behavior is:

w: 0 1 0 1 1 1 1 0 0 1 1 0 0 1 1 1 1 1 0

z: 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 1 1

Answer #1

5. Draw a Moore-type state diagram and design a synchronous
sequential circuit using D flip flops for a 1-input/1-output
"sequence detector" for the sequence 1001 (be sure to recognize
overlapping sequences). Use don't cares. Draw the final
circuit.

Question 1:A) A sequential circuit has two flip-flops A and B,
two inputs X and Y, and one output Z. The flip-flop input equations
and output function are as follows: SA = BX + B’Y’ RA = B’XY’ SB =
A’X RB = A + XY’ Z = AXY+BX’Y’ a) Draw the logic diagram of the
circuit. b) Derive the state table and state diagram of the
circuit.
Question 1: b)For the sequential circuits given below a) Write
flip-flop input...

Design 2 bits counter that count down by using T flip flop when
input x =1 and counts up
when x=0. Find the following
1. Derive the state table
2. Derive the K‐map simplifications.
3. Draw the logic diagram

Without using Verilog, use D-type flip-flops and combinational
logic to design a synchronous Moore finite-state machine that
monitors input A and asserts a binary output B if the sequence 101
is observed. For example:
A=010101101
B=000101001
---------------- time
a) Draw the state transition graph
b) Draw the encoded next state/output table
c) Determine the minimal circuit realization of the next state
logic and output
d) Draw the circuit
e) Draw a timing diagram using the input sequence above showing
the...

Design 3 - Bit sequential counter with T Flip-Flops. Provide the
below:
1. State Diagram:
2. State Table:
3. K-maps and equations:
4. Logic Diagram:

Design a Sequence Recognizer that will recognize the sequence
101101 by designing a finite state machine (FSM). The input will be
(X) and when the pattern is seen the output (Z) will be 1.
Example:
X = 1 0 1 0 1 1 0 1 1 0 1 1
Z = 0 0 0 0 0 0 0 0 1 0 0 1
a. Make a state diagram for the process using the Moore Machine
model
b. Make a next...

Design a Sequence Recognizer that will recognize the sequence
101101 by designing a finite state machine (FSM). The input will be
(X) and when the pattern is seen the output (Z) will be 1.
Example:
X = 1 0 1 0 1 1 0 1 1 0 1 1
Z = 0 0 0 0 0 0 0 0 1 0 0 1
a. Make a state diagram for the process using the Moore Machine
model
b. Make a next...

3. Parity generator [20]
Submission file for this part: 3.circ
Main circuit name: paritygen
Input pin(s): inputw [1], sysclock [1]
Output pin(s): outputq [1]
Derive a minimal state table for a Moore model FSM that acts as
a three-bit parity generator. For every three bits that are
observed on inputw during three consecutive clock cycles,
the FSM generates the parity bit outputq = 1 if the number
of 1s received in the sequence so far is odd. Thus, this is...

Mealy state machines.
(a) Design a Mealy state machine to detect the sequence 10010.
There is a single input “x” and a single output “z”. The output is
set to 1 when the sequence is detected. Design the state machine
using gates and flip-flops in the standard way, i.e., begin with a
state transition diagram and state transition table, do plain state
assignment (e.g., for three state variables, first state is 000,
next is 001, and so on), use K-maps...

Write the Boolean equations and draw the logic diagram of the
circuit whose outputs are defined by the following truth table:
(Please explain your process and how you use the K-map)
f1
f2
a
b
c
1
1
0
0
0
0
1
0
0
1
1
0
0
1
0
1
1
0
1
1
1
0
1
0
0
0
1
1
0
1
1
0
1
1
1
W
X
Y
Z
F
0
0
0
0...

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