SAM D21/DA1 Family

41.12.4 32.768 kHz Internal oscillator (OSC32K) Characteristics

Table 41-43. 32 kHz RC Oscillator Characteristics
Parameter	Conditions	Symbol	Min.	Typ.	Max.	Unit
Output frequency	All temperatures T_C Calibrated against a 32.768 kHz reference at 25°C, over [–40, +105]°C, over [2.7, 3.63]V	f_OUT	26.214	32.768	39.321	kHz
	Calibrated against a 32.768 kHz reference at 25°C, at V_DD = 3.3V		32.113	32.768	33.423
	Calibrated against a 32.768 kHz reference at 25°C, over [2.7, 3.63]V		31.457	32.768	34.079
Current consumption		I_OSC32K		0.67	4.06	μA
Startup time		t_STARTUP		1	2	cycle
Duty Cycle		Duty		50		%

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