Serial buffer supporting virtual queue to physical memory mapping
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United States of America Patent
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May 17, 2011
Grant Date -
Apr 2, 2009
app pub date -
Sep 27, 2007
filing date -
Sep 27, 2007
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Abstract
A serial buffer having a plurality of virtual queues, which can be allocated to include various combinations of on-chip dual-port memory blocks, on-chip internal memory blocks and/or off-chip external memory blocks. The virtual queues are allocated and accessed in response to configuration bits and size bits stored on the serial buffer. Relatively large external memory blocks can be allocated to virtual queues used for data intensive operations, while relatively small and fast dual-port memory blocks can advantageously be allocated to virtual queues used for passing command and status information. The serial buffer provides an efficient and flexible manner for utilizing available memory, which not only minimizes the access latency but also provides a large amount of buffer space to meet different application needs.
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Patent Owner(s)
- INTEGRATED DEVICE TECHNOLOGY, INC.
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Au, Mario | Fremont, US | 22 | 206 |
Nguyen, Calvin | San Jose, US | 14 | 155 |
Wang, Chi-Lie | Milpitas, US | 48 | 1109 |
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