Systems and methods for clock mode determination utilizing...

Details Systems and methods for clock mode determination utilizing... Systems and methods for clock mode determination utilizing...

2006-06-06

2006-06-06

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Sample and hold

Having variable sampling rate

C704S212000

Reexamination Certificate

active

07057539

ABSTRACT:
A system for determining a data converter operating mode includes measurement circuitry operable to measure a master clock frequency of a master clock signal and measure a frequency ratio between a data clock frequency of a data clock signal and the master clock frequency. A mapping system maps the measurements of the master clock frequency and the frequency ratio to an operating mode of the data converter utilizing an explicit formula. In a further embodiment, the mapping system maps the measurements of the master clock frequency and the frequency ratio to an operating mode of the data converter utilizing a lookup table. In an additional embodiment, the mapping system tests an available set of operating modes, independent of any previous tests, to determine a suitable operating mode for the data converter.

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