Integrated circuit, vibrating device, electronic apparatus, moving object, and method of switching modes of integrated circuit
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United States of America Patent
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Mar 22, 2016
Grant Date -
Apr 3, 2014
app pub date -
Sep 24, 2013
filing date -
Sep 28, 2012
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Abstract
An oscillator IC includes a VDD terminal (first terminal), an OUT terminal (second terminal), an oscillation circuit for oscillating a resonator element, a mode switching circuit that switches between a normal mode (the first mode in which an oscillation signal output by the oscillation circuit is output from the OUT terminal) and a serial I/F mode (the second mode in which a signal than the oscillation signal is output or input from the OUT terminal) based on a voltage of the VDD terminal, and a control circuit that controls stop of the oscillation circuit in the serial I/F mode based on setting information that can be changed from outside.
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