Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Fiche De Données
Codes de produits
ATSAMD21-XPRO
139
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
z
Sampled mode for low power applications (programmable refresh frequency)
z
Hysteresis
z
Internal Voltage Regulator system (VREG)
z
Operating modes:
z
Normal mode
z
Low-power mode
z
With an internal non-configurable Brown-out detector (BOD12)
z
Voltage Reference System (VREF)
z
Bandgap voltage generator with programmable calibration value
z
Temperature sensor
z
Bandgap calibration value loaded from Flash Factory Calibration at startup
16.3 Block Diagram
Figure 16-1. SYSCTRL Block Diagram
XOSC
XOSC32K
OSC32K
OSCULP32K
OSC8M
DFLL48M
VOLTAGE
REFERENCE
SYSTEM
OSCILLATORS
CONTROL
POWER
MONITOR
CONTROL
VOLTAGE
REFERENCE
CONTROL
STATUS
(PCLKSR register)
INTERRUPTS
GENERATOR
GENERATOR
BOD33
Interrupts
SYSCTRL
FDPLL96M