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What is sequence generator?
sequence generator A digital logic circuit whose purpose is to produce a prescribed sequence of outputs. Each output will be one of a number of symbols or of binary or q-ary logic levels. The sequence may be of indefinite length or of predetermined fixed length. A binary counter is a special type of sequence generator.
What is sequence generator explain with block diagram?
Definition: A sequence generator is one kind of digital logic circuit. The main function of this is to generate a set of outputs. Every output is one of a number of binary or Q-ary logic levels or symbols. The length of the series may be indefinite otherwise fixed.
How to design a sequence detector ( 0110 )?
I asked to design a sequence detector to detect 0110 and when this sequence happend turn it’s output to 1 for 2 clock cycles. But the problem is it turns the output to 1, one clock cycle late IE if it encountered 0110 it doesn’t turn output to 1 but instead it turns output to 1 on next positive edge of clk as you can see in below timing diagram.
How many states does a sequence detector need?
With a Moore-type machine (outputs associated with states), it requires 5 states to recognize the sequence and then output a “1”. Then, you need to replicate 2 of the states in order to output a “1” for a second clock while continuing to search for another copy of the pattern.
How to design a 101 mealy sequence detector?
The steps to design a non-overlapping 101 Mealy sequence detectors are: Rule 1 : States having the same next states for a given input condition should have adjacent assignments. Rule 2: States that are the next states to a single state must be given adjacent assignments. Rule 1 given preference over Rule 2.
What does S0 mean in a sequence detector?
S0 represents finding 3 or more ones in a row. Since the pattern we’re looking for starts with a zero, this also becomes our “start” state. S1 represents finding any number of zeros, the last one of which could be the first bit of our pattern.