All Clocks and Clock Sources Are
Automatically Enabled When Requested by Peripherals
Internal Oscillators:
Up to 24 MHz
Internal High-Frequency Oscillator (OSCHF)
32.768 kHz Ultra-Low Power
Oscillator (OSC32K)
Up to 48 MHz
Phase-Locked Loop (PLL), with 2x or 3x clock multiplier
Auto-Tuning for Improved Internal
Oscillator Accuracy
External Clock Options:
32.768 kHz Crystal Oscillator (XOSC32K)
High-Frequency Crystal Oscillator (XOSCHF)
External clock
Main Clock Features:
Safe run-time switching
Prescaler with a division factor
ranging from 1 to 64
Clock Failure Detection with
automatic clock switching to an internal source
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.
