Data processing: measuring – calibrating – or testing – Calibration or correction system – Signal frequency or phase correction
Reexamination Certificate
2006-08-22
2006-08-22
Assouad, Patrick J. (Department: 2857)
Data processing: measuring, calibrating, or testing
Calibration or correction system
Signal frequency or phase correction
C331S00100A, C331S044000, C331S17700V, C327S044000, C327S047000, C327S141000, C327S162000
Reexamination Certificate
active
07096137
ABSTRACT:
An integrated circuit, comprising a processor, an onboard system clock for generating a clock signal, and clock trim circuitry, the integrated circuit being configured to: (a) receive an external signal; (b) determine either the number of cycles of the clock signal during a predetermined number of cycles of the external signal, or the number of cycles of the external signal during a predetermined number of cycles of the clock signal; (c) store a trim value in the integrated circuit, the trim value having been determined on the basis of the determined number of cycles; and (d) use the trim value to control the internal clock frequency.
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Shipton Gary
Walmsley Simon Robert
Assouad Patrick J.
Silverbrook Research PTY LTD
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