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Difference between FIFO and circular buffer

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arjun9989

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what is the difference between FIFO and Circular Buffer?
 

Circular buffer is used to transfer data between clocks with same frequency and different phase. FIFO is used between asynchronous clocks.
 

Circular Buffer is a kind of method to implement a synchronous fifo.
Other type is asynchronous fifo in which read and write clock have no definite phase and frequency relationship between them.
 

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