SAM D21/DA1 Family

40.9.1 Power-On Reset (POR) Characteristics

Table 40-18. POR Characteristics (Device Variant A)
Symbol	Parameters	Conditions	Min.	Typ.	Max.	Unit
V_POT+	Voltage threshold Level on VDDIN rising	VDD falls at 1V/ms or slower	1.27	1.44	1.62	V
V_POT-	Voltage threshold Level on VDDIN falling	VDD falls at 1V/ms or slower	0.72	1.07	1.37	V

Table 40-19. POR Characteristics (Device Variant B and D)
Symbol	Parameters	Conditions	Min.	Typ.	Max.	Unit
V_POT+	Voltage threshold Level on VDDIN rising	VDD falls at 1V/ms or slower	1.27	1.45	1.62	V
V_POT-	Voltage threshold Level on VDDIN falling	VDD falls at 1V/ms or slower	0.53	0.99	1.32	V

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