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What are the design cosiderations for the 32KHz external crystal oscillator on the ADuCM360?

Question asked by Greg@6344488 on Apr 7, 2015
Latest reply on Apr 14, 2015 by MikeL

I need to connect a 32.768 external crystal to XTAL0 (pin4) and XTAL1(pin5) on the ADuCM360. What is the topology of the internal circuit? If this is a Pierce oscillator circuit with internal inverter, what is the value of the feed-back resistor? Is there any internal Rd or damping resistor on the output pin?

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