INTERFACE DEVICE AND OPERATING METHOD THEREOF

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INTERFACE DEVICE AND OPERATING METHOD THEREOF

This abstract first appeared for US patent application 18633397 titled 'INTERFACE DEVICE AND OPERATING METHOD THEREOF

Original Abstract Submitted

The present disclosure relates to a semiconductor device. A device in communication with a host device via an interface according to the present disclosure includes a clock signal generator configured to generate a first reference clock signal to be used by the device, and a reference clock signal selection circuit coupled to be in communication with the clock signal generator to receive the first reference clock signal and configured to receive a second reference clock signal from the host device, and configured to, in response to a first reset signal received first among a plurality of reset signals from the host device, select one of the first reference clock signal and the second reference clock signal according to whether the second reference clock signal is provided from the host device.