Method and system of calibrating the control delay time

Details Method and system of calibrating the control delay time Method and system of calibrating the control delay time

2005-07-05

2005-07-05

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Timing

C711S167000

Reexamination Certificate

active

06915226

ABSTRACT:
The present invention relates to a method and system of calibrating the control delay time, providing effective calibration for the control delay time provided by a control chip to reach the optimal effect for effective reading. The control chip uses the connected buffer chip to produce a training sequence when the buffer chip enters a training mode. After the control chip receives the training sequence, the control chip will produce the training data to compare with the predefined pattern inside it and adjust the control delay time. Finally, the control chip will produce an optimal adjusting control delay time to allow the data strobe signal to control the effective retrieved range of the data.

REFERENCES:
patent: 6587804 (2003-07-01), Johnson et al.

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