Methods and apparatus for exchanging data using cyclic redundancy check codes
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United States of America Patent
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Issued Date -
May 6, 2004
app pub date -
Nov 6, 2002
filing date -
Nov 6, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods and apparatus for exchanging cyclic redundancy check encoded (CRC-encoded) data are presented. An exemplary arrangement includes at least two blocks connected by an address bus and a data bus on which data is exchanged between the blocks. A snoop block, connected to the address and data buses, is configured to receive an address from the data bus. The snoop block includes address masking circuitry configured to mask off the address receivable from the data bus to generate at least one snoop address. A CRC block, connected to the data bus and to the snoop block, is configured to generate a CRC code from the data when a data address, carried on the address bus, matches the at least one snoop address.
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