15.12.3 32.768kHz Internal Oscillator (OSC32K) Characteristics

Table 15-39. 32KHz RC Oscillator Electrical Characteristics(1)
Symbol Parameter Conditions Min. Typ. Max. Units
FOUT Output frequency at 25°C, at VDDIO=3.3V 32.572 32.768 33.044 kHz
at 25°C, over [1.8, 3.63]V 31.425 32.768 33.603 kHz
over[-40,+85]°C, over [1.8, 3.63]V 28.581 32.768 34.716 kHz
IOSC32k Current consumption - 0.54 µA
TSTARTUP Startup time - 1 2 cycles
Duty Duty Cycle - 50 - %
Note: 1. These values are based on characterization.
Table 15-40. Power Consumption(1)
Symbol Parameter Conditions Ta Min. Typ. Max. Units
IDD Current consumption VCC=3.3V Max 85°C

Typ 25°C

 - 0.54 1.10 µA
Note: (1) These values are based on characterization.