Features
- 0.4-32MHz Crystal Oscillator (XOSC)
- Tunable gain control
- Programmable start-up time
- Crystal or external input clock on XIN I/O
- 32.768kHz Crystal Oscillator (XOSC32K)
- Automatic or manual gain control
- Programmable start-up time
- Crystal or external input clock on XIN32 I/O
- 32.768kHz High Accuracy Internal Oscillator (OSC32K)
- Frequency fine tuning
- Programmable start-up time
- 32.768kHz Ultra Low Power Internal Oscillator (OSCULP32K)
- Ultra low power, always-on oscillator
- Frequency fine tuning
- Calibration value loaded from Flash Factory Calibration at reset
- 8MHz Internal Oscillator (OSC8M)
- Fast startup
- Output frequency fine tuning
- 4/2/1MHz divided output frequencies available
- Calibration value loaded from Flash Factory Calibration at reset
- Digital Frequency Locked Loop (DFLL48M)
- Internal oscillator with no external components
- 48MHz 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
- 3.3V Brown-Out Detector (BOD33)
- Programmable threshold
- Threshold value loaded from Flash User Calibration at startup
- Triggers resets or interrupts
- Operating modes:
- Continuous mode
- Sampled mode for low power applications (programmable refresh
frequency)
- 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