Continuous Monitor of the PLL Frequency With the DCC

Texas Instruments

Published Date: 07/24/2015

Description

The Dual Clock Compare (DCC) may be configured to provide autonomous real-time monitoring of the average frequency of a signal. This application report illustrates a configuration in which the DCC monitors the average PLL frequency. This comparison triggers an error when the average PLL falls out of a specified range. The accuracy window and the duration over which the frequency is averaged must

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