Jump to main content
17.2 Features
- 0.4-32 MHz Crystal Oscillator (XOSC)
- Tunable gain control
- Programmable start-up time
- Crystal or external input clock
on XIN I/O
- 32.768 kHz Crystal Oscillator (XOSC32K)
- Automatic or manual gain
control
- Programmable start-up time
- Crystal or external input clock
on XIN32 I/O
- 32.768 kHz High Accuracy Internal
Oscillator (OSC32K)
- Frequency fine tuning
- Programmable start-up time
- 32.768 kHz Ultra Low-Power Internal
Oscillator (OSCULP32K)
- Ultra low-power, always-on
oscillator
- Frequency fine tuning
- Calibration value loaded from
Flash Factory Calibration at Reset
- 8 MHz Internal Oscillator (OSC8M)
- Fast start-up
- Output frequency fine tuning
- 4/2/1 MHz divided output
frequencies available
- Calibration value loaded from
Flash Factory Calibration at Reset
- Digital Frequency Locked Loop (DFLL48M)
- Internal oscillator with no external components
- 48 MHz output frequency
- Operates standalone as a
high-frequency programmable oscillator in Open-Loop mode
- Operates as an accurate frequency
multiplier against a known frequency in Closed-Loop mode
- Fractional Digital Phase-Locked Loop (FDPLL96M)
- 48 MHz to 96 MHz output clock
frequency
- 32 kHz to 2 MHz input reference
clock frequency range
- Three possible sources for the
reference clock
- Adjustable proportional integral
controller
- Fractional part used to achieve 1/16th of reference
clock step
- 3.3V Brown-Out Detector (BOD33)
- Programmable threshold
- Low-power sampling mode of operation
- Threshold value loaded from Flash
User Calibration at start-up
- Triggers Resets or
interrupts
- Hysteresis
- Internal Voltage Regulator system (VREG)
- Operating modes:
- Normal mode
- Low-power mode
- With an internal non-configurable
Brown-out Detector (BOD12)
- Voltage Reference System (VREF)
- Bandgap voltage generator with programmable calibration value
- Temperature sensor
- Bandgap calibration value loaded
from Flash Factory Calibration at start-up