| 摘要 |
An ATM cell descrambling circuit for detecting a header portion and a payload portion of each cell of a scrambled asynchronous transfer mode (ATM) cell sequence in the state that each cell pre- or fully-synchronizes, descrambling the payload portion, and outputting a descrambled ATM cell sequence is disclosed, that comprises a means for determining whether each ATM cell is an unnecessary ATM cell that is not used in a higher layer of an ATM communication so as to stop a cell descrambling operation for a predetermined period.
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