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AVR1003: Using the XMEGA Clock System
Features
1 Introduction
2 Clock System Overview
2.1 Internal Clock Sources
2.2 External Clock Sources
2.3 High-frequency PLL Option
2.4 System Clock Selection and Prescalers
2.5 Clock Configuration Locking
2.6 Sleep Modes and Clock Sources
2.7 External Oscillator Failure Detector
2.8 Automatic Runtime Calibration of Internal Oscillators
3 Examples
4 Revision History
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