Datasheet
Note: 2. It is recommended to use ceramic or solid tantalum capacitor with low ESR <= 1 ohms.
37.11.2 Power-On Reset (POR) Characteristics
Table 37-20. POR Characteristics
Symbol Parameter Conditions Min. Typ. Max. Units
V
POT+
Voltage threshold on V
DD
rising V
DD
falls at 1V/ms or slower 1.27 1.45 1.58 V
V
POT-
Voltage threshold on V
DD
falling 0.72 0.99 1.32 V
Figure 37-2. POR Operating Principle
Reset
VDD
V
POT+
V
Time
POT-
37.11.3 Brown-Out Detectors Characteristics
37.11.3.1 BOD33
Figure 37-3. BOD33 Hysteresis OFF
V
CC
RESET
V
BOD
Figure 37-4. BOD33 Hysteresis ON
V
CC
RESET
V
BOD-
V
BOD+
SAM D21 Family
Electrical Characteristics
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 999