34.12.4 32.768 kHz Internal oscillator (OSC32K) Characteristics

Table 34-39. 32 kHz RC Oscillator Characteristics
SymbolParameterConditionsMin.Typ.Max.Units
fOUTOutput frequencyCalibrated against a 32.768 kHz reference at 25°C, over [-40, +125]°C, over [2.7, 3.63]V26.21432.76839.321kHz
Calibrated against a 32.768 kHz reference at 25°C, at VDD = 3.3V32.11332.76833.423
Calibrated against a 32.768 kHz reference at 25°C, over [2.7, 3.63]V31.45732.76834.079
IOSC32KCurrent consumption--0.675μA
tSTARTUPStartup time--12cycle
DutyDuty Cycle--50-%