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Application Notes/
Technical Brief
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AN824
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Title:
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KEELOQ® Encoders Oscillator Calibration
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Name:
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AN824
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Date:
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1/21/02
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Author:
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Lucio Di Jasio
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Description:
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Several KEELOQ® Encoders of recent introduction, offer the ability to calibrate the internal RC clock oscillator, upon which all the device timings are based. At the time of writing this application note, there are five KEELOQ devices offering this feature:
1.HCS101-fixed code encoder;
2.HCS201-low cost hopping code encoder;
3.HCS362-advanced hopping code encoder;
4.HCS410-hopping code transcoder;
5.HCS412-hopping code transcoder;
While the respective encoder data sheets show where the calibration value is stored in the device EEPROM, this application note will concentrate on how to determine the best calibration value.
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Keywords:
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AN824, KEELOQ, encoders, oscillator, calibration
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Related Information
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App Notes and Source Code
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AN824
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