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Summary
Description32768 Hz quartz crystal resonator.jpg
English: Commonly used cylindrical quartz crystal resonator 32.768 kHz
Cylinder Radial, 8.2mm x 3mm
The frequency 32768 Hz is used because it is a power of 2 (2^15) value. You can get a precise 1 second period (1 Hz frequency) by using a 15 stage binary counter.
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