39.4.2 Internal Oscillator Parameters⁽¹⁾

Table 39-8.
Standard Operating Conditions (unless otherwise stated)
Param No.	Sym.	Characteristic	Min.	Typ. †	Max.	Units	Conditions
OS50	F_HFOSC	Precision Calibrated HFINTOSC Frequency	—	4 8 12 16 32 48 64	—	MHz	(Note 1, 2)
OS51	F_HFOSCLP	Low-Power Optimized HFINTOSC Frequency	— —	1 2	— —	MHz MHz	Fundamental Freq.1 MHz Fundamental Freq. 2 MHz
OS52	F_MFOSC	Internal Calibrated MFINTOSC Frequency	—	500	—	kHz
OS53*	F_LFOSC	Internal LFINTOSC Frequency	—	31	—	kHz
OS54*	T_HFOSCST	HFINTOSC⁽³⁾ Wake-up from Sleep Start-up Time	— —	14 100	20 —	μs μs	VREGPM=`0x` VREGPM=`1x` System Clock at 4 MHz
OS56	T_LFOSCST	LFINTOSC Wake-up from Sleep Start-up Time	—	0.3	—	ms
* - These parameters are characterized but not tested. † Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not tested. Note: To ensure these oscillator frequency tolerances, V_DD and V_SS must be capacitively decoupled as close to the device as possible. 0.1 μF and 0.01 μF values in parallel are recommended. See the figure below. HFINTOSC clock = 4 MHz

39.4.2 Internal Oscillator Parameters(1)