54.13.3 Internal Ultra Low Power 32 kHz RC Oscillator (OSCULP32K) Characteristics

Table 54-49. Ultra-Low-Power Internal 32 kHz RC Oscillator Electrical Characteristics
Symbol	Parameter	Conditions	Min.	Typ.	Max	Units
F_OUT	Output frequency	[-40, +85]°C, VDDANA>1.71V	27.12	32.768	37.68	kHz
Step	Calibration step		-	1.5	-	%F_OUT
Duty⁽¹⁾	Duty Cycle		-	50	-	%
RuntimeCal	Run-time Calibration	CPU clock on DFLL (48 MHz)	-	-	5	ms

Note: These values are based on simulation. They are not covered by production test limits or characterization.

Figure 54-7. Average Frequency Versus Calibration Code Value, VDD = 3V

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