Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Data Sheet
Product codes
ATSAMD21-XPRO
938
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
36.9 Analog Characteristics
36.9.1 Voltage Regulator Characteristics
Table 36-15. Voltage Regulator Electrical Characteristics
Note:
Supplying any external components using V
DDCORE
pin is not allowed to assure the integrity of the core supply
voltage.
Table 36-16. Decoupling requirements
36.9.2 Power-On Reset (POR) Characteristics
Table 36-17. POR Characteristics
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
V
DDCORE
DC calibrated output voltage
Voltage regulator
normal mode
normal mode
1.1
1.23
1.30
V
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
C
IN
Input regulator capacitor,
between V
between V
DDIN
and GND
I
-
1
-
µF
C
OUT
Output regulator capacitor,
between V
between V
DDCORE
and GND
-
1
-
µF
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
V
POT+
Voltage threshold on V
DD
rising
I
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