AN2633
Title:
Precise, Ultra-Low-Power Timing using Periodic Enabling of the 32.768 kHz External Crystal Oscillator for Recalibration of the ULP Internal Oscillator
Description:
This Application Note describes a method of achieving both precise timing and ultra low-power consumption by periodically enabling the 32.768 kHz external crystal oscillator for recalibration of the ULP internal oscillator.
Keywords:
Microchip, Microcontroller, AVR, ULP, Ultra-Low-Power, Timing, 32.768 kHz Crystal, Crystal, Oscillator, Internal ULP Oscillator, RTC, Real-Time Clock, EVSYS, Atmel Studio, IAR
