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32.768kHz Crystal
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Item # 2814
32KHz /  32.768kHz Crystal
Standard 'Watch' or Real-Time-Clock crystal.
Package type: Cylinder
Description: Standard 'Watch' or Real-Time-Clock crystal.
32.768kHz means it is precisely half of a 16-bit counter.
Start counting at 0x8000 (or 32768). When the counter rolls over from 65535 to 0, then you know that exactly one second has passed. Reset the interrupt, reset the counter, and start counting again.
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$0.17  USD
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