Command Abort to Reduce Latency in Flash Memory Access
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United States of America Patent
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Issued Date -
Jul 11, 2013
app pub date -
Jan 10, 2012
filing date -
Jan 10, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In an embodiment, a peripheral component may include a command queue configured to store a set of commands to perform a transfer on a peripheral interface. Some of the commands may be long-latency commands, and the long-latency commands may be aborted to perform higher priority commands. In an embodiment, each command may have an abort attribute assigned by software which indicates whether or not the command is abortable. If a higher priority command needs to be performed while the long-latency command is in progress, the command may be aborted. In an embodiment, software may write an abort field in a control register to cause the long-latency command to be aborted.
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