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Title: Method and system for selecting data sampling phase for self timed interface logic

Patent ·
OSTI ID:1175195

An exemplary embodiment of the present invention is a method for transmitting data among processors over a plurality of parallel data lines and a clock signal line. A receiver processor receives both data and a clock signal from a sender processor. At the receiver processor a bit of the data is phased aligned with the transmitted clock signal. The phase aligning includes selecting a data phase from a plurality of data phases in a delay chain and then adjusting the selected data phase to compensate for a round-off error. Additional embodiments include a system and storage medium for transmitting data among processors over a plurality of parallel data lines and a clock signal line.

Research Organization:
International Business Machines Corp., Armonk, NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
W-7405-ENG-48
Assignee:
International Business Machines Corporation (Armonk, NY)
Patent Number(s):
6,839,861
Application Number:
09/918,081
OSTI ID:
1175195
Country of Publication:
United States
Language:
English

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