Encoding of message onto strobe signals

Details Encoding of message onto strobe signals Encoding of message onto strobe signals

2006-04-18

2006-04-18

Ray, Gopal C. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C714S759000, C370S912000, C710S106000

Reexamination Certificate

active

07032056

ABSTRACT:
Methods and apparatus are disclosed for use in an electronic system where data is transmitted over signaling conductors from one electronic component to another using strobe signals accompanying the data. The edge or transition of the strobe signals identifies when, in a window of time, the receiving electronic component should latch the data. In many such systems, data is transmitted over the signaling conductors in the form of a plurality “beats”, of data, proper timing to latch each beat of data being identified by a transition of the strobe signal. Faults in components or errors in transmission must be handled. The present invention discloses apparatus and methods to communicate conditions relevant to data transmitted without requiring additional signaling conductors. The present invention discloses selecting a message from a plurality of messages, encoding the selected message, and transmitting the encoded message on existing strobe lines to communicate the condition encountered.

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patent: 2004/0243907 (2004-12-01), Cochran et al.
“Pipeline design based on self-resetting stage logic” by Ejnioui et al. (abstract only) Publication Date: Feb. 19-20, 2004.

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