Circuit and method for monitoring sector transfers to and from storage medium
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United States of America Patent
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Nov 26, 2002
Grant Date -
Jun 6, 2002
app pub date -
Feb 2, 1999
filing date -
Feb 2, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a controller integrated circuit, which controls the operation of a peripheral storage device, a transfer monitoring circuit that facilitates the monitoring of successful transfers from outside the controller integrated circuit. The circuit includes a counter circuit that counts the number of successful transfers, a value storing register, a comparison circuit to compare the counter value to the value stored in the register and generate a result. The transfer monitoring circuit speeds up the operation of the controller integrated circuit especially during recovery from error conditions. The monitoring circuit also allows for a more optimal use of a look-ahead cache.
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