Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Reexamination Certificate
2009-04-22
2011-11-15
Abelson, Ronald (Department: 2476)
Multiplex communications
Communication techniques for information carried in plural...
Adaptive
C716S100000, C326S037000
Reexamination Certificate
active
08059677
ABSTRACT:
Structures and methods to facilitate channel bundling are disclosed. In one embodiment, signal distribution circuitry includes a data path with at least two registers coupled to adjacent sets of data channels in a bundle of data channel sets. In another embodiment, self-switch circuits allow channels in a bundle of channel-sets to switch from bundle-wide signals to locally generated signals after the bundle-wide signals have been synchronously distributed to all channel sets in the bundle. In a particular embodiment, signal distribution circuitry is used to distribute a divided clock signal. In another particular embodiment, signal distribution circuitry is used to distribute enable signals for first-in first-out circuits (“FIFOs”) located in channels of each data channel set in a channel set bundle. In a particular aspect of an embodiment, FIFO read and write operations across a channel set bundle are initiated such that a difference between read and write pointer signals is the same in each channel set.
REFERENCES:
patent: 6993671 (2006-01-01), Pricer et al.
patent: 2007/0058618 (2007-03-01), Tran et al.
patent: 2009/0274131 (2009-11-01), Lee et al.
U.S. Appl. No. 11/895,594, filed Aug. 24, 2007, Xue et al.
Chan Lana May
Duwel Keith
Shen Showi-Min
Zheng Michael Menghui
Abelson Ronald
Altera Corporation
Mauriel Michael
Mauriel Kapouytian & Treffert LLP
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