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Can an external signal source be used rather than a crystal for clock devices that require a crystal?

April 26, 2017clock crystal Devices external require signal source Used

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Can an external signal source be used rather than a crystal for clock devices that require a crystal?

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An external source can be used rather than a crystal for clock devices that requires a crystal. When using an external signal source, apply the external signal to XTAL_IN and leave the XTAL_OUT floating. Please check with the datasheet for the correct crystal frequency.