In what cases do you need to double clock a signal before presenting it to a sy

In what cases do you need to double clock a signal before
presenting it to a synchronous state machine?

Question Posted / markus

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In what cases do you need to double clock a signal before presenting it to a synchronous state mach..

Answer / amar

this situation basically arises when a signal does clock
domain crossing. to synchronize the clock with the target
domain clock and to avoid metastability issues synchronizers
which are like double clocking are used in designs

Is This Answer Correct ?

19 Yes

1 No

In what cases do you need to double clock a signal before presenting it to a synchronous state mach..

Answer / prashant patil

if the input signal is asynchronous with the clock (state
machine clock), then you need to double clock the same
signal to synchronize with the state machine clock.

Is This Answer Correct ?

21 Yes

7 No

In what cases do you need to double clock a signal before presenting it to a synchronous state mach..

Answer / prasanna

When signal transfer from one clock domain sequential to
another clock domain sequential logic

Is This Answer Correct ?

13 Yes

6 No

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