All Clocks and Clock Sources Are
Automatically Enabled When Requested by Peripherals
Internal Oscillators:
Up to 20 MHz Internal High-Frequency Oscillator
(OSCHF)
32.768 kHz Ultra-Low Power Oscillator (OSC32K)
Auto-Tuning for Improved Internal Oscillator Accuracy
External Clock Options:
32.768 kHz Crystal Oscillator (XOSC32K)
External clock input
Main Clock Features:
Fuse-selectable start-up clock
source
Safe run-time switching
System clock output to I/O pin
Prescaler with a division factor ranging from 1 to 64
Status bit for observing when clock switching is complete
DS40002685A
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.
