System and method for initializing a memory system, and memory device and processor-based system using same
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United States of America Patent
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Feb 22, 2011
Grant Date -
Mar 4, 2010
app pub date -
Nov 13, 2009
filing date -
Jul 11, 2007
priority date (Note) -
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Abstract
Systems, controllers and methods are disclosed, such as an initialization system including a controller that receives patterns of read data coupled from a memory device through a plurality of read data lanes. The controller is operable to detect any lane-to-lane skew in the patterns of read data received through the read data lanes. The controller then adjusts the manner in which the read data received through the read data lanes during normal operation are divided into frames. The controller can also couple patterns of command/address bits to the memory device through a plurality of command/address lanes. The memory device can send the received command/address bits back to the controller through the read data lanes. The controller is operable to detect any lane-to-lane skew in the patterns of command/address bits received through the read data lanes to adjust the manner in which the command/address bits coupled through the command/address lanes during normal operation are divided into frames.
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