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...

2005-05-24

2008-11-25

Jeanglaude, Jean B (Department: 2819)

Coded data generation or conversion

Sample and hold

Having variable sampling rate

C712S032000

Reexamination Certificate

active

07456765

ABSTRACT:
A system for determining a data converter clock operating mode includes measurement circuitry which measures a master clock frequency of a master clock signal and a frequency ratio between a frequency of a data clock signal and the master clock frequency. A mapping system maps the measurements of the master clock frequency, the frequency ratio, and a characteristic of an additional data clock signal to an operating mode of the data converter. In another embodiment, the mapping system maps measurements of the master clock frequency alone to a data converter operating mode. In a further embodiment, the measurement circuitry measures the master clock frequency of a master clock signal, which is received directly from a master clock signal source without a modification in the master clock frequency.

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