Asynchronous system-on-a-chip interconnect
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United States of America Patent
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Issued Date -
Oct 26, 2006
app pub date -
Jun 21, 2006
filing date -
Apr 30, 2002
priority date (Note) -
Abandoned
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Abstract
Methods and apparatus are described relating to a system-on-a-chip which includes a plurality of synchronous modules, each synchronous module having an associated clock domain characterized by a data rate, the data rates comprising a plurality of different data rates. The system-on-a-chip also includes a plurality of clock domain converters. Each clock domain converter is coupled to a corresponding one of the synchronous modules, and is operable to convert data between the clock domain of the corresponding synchronous module and an asynchronous domain characterized by transmission of data according to an asynchronous handshake protocol. An asynchronous crossbar is coupled to the plurality of clock domain converters, and is operable in the asynchronous domain to implement a first-in-first-out (FIFO) channel between any two of the clock domain converters, thereby facilitating communication between any two of the synchronous modules.
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