SAM D21/DA1 Family

37.13.4 32.768kHz Internal oscillator (OSC32K) Characteristics

Table 37-55. 32kHz RC Oscillator Characteristics
Symbol	Parameter	Conditions	Min.	Typ.	Max.	Units
f_OUT	Output frequency	Calibrated against a 32.768kHz reference at 25°C, over [-40, +85]C, over [1.62, 3.63]V	28.508	32.768	34.734	kHz
		Calibrated against a 32.768kHz reference at 25°C, at V_DD=3.3V	32.276	32.768	33.260
		Calibrated against a 32.768kHz reference at 25°C, over [1.62, 3.63]V	31.457	32.768	34.079
I_OSC32K	Current consumption		-	0.67	1.31	μA
t_STARTUP	Start-up time		-	1	2	cycle
Duty	Duty Cycle		-	50	-	%

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