Datasheet

Table 40-54. 32 kHz RC Oscillator Electrical Characteristics (Device Variant B and D)
Symbol Parameter Conditions Min. Typ. Max Units
f
OUT
Output frequency Calibrated against a 32.768kHz
reference at 25°C, over [-40, +125]C,
over [2.7, 3.63]V
26.214 32.768 39.321 kHz
Calibrated against a 32.768kHz
reference at 25°C, at V
DD
=3.3V
32.113 32.768 33.423 kHz
Calibrated against a 32.768kHz
reference at 25°C, over [2.7, 3.63]V
31.457 32.768 34.079 kHz
I
OSC32K
Current consumption - - 0.67 5 uA
t
STARTUP
Startup time - - 1 2 cycles
Duty Duty Cycle - - 50 - %
40.11.5 Ultra Low Power Internal 32kHz RC Oscillator (OSCULP32K) Characteristics
Table 40-55. Ultra Low Power Internal 32 kHz RC Oscillator Electrical Characteristics
Symbol Parameter Conditions Min. Typ. Max Units
f
OUT
Output frequency Calibrated against a 32.768kHz
reference at 25°C, over [-40, +125]C,
over [2.7, 3.63]V
24.248 32.768 40.96 kHz
- - Calibrated against a 32.768kHz reference
at 25°C, at V
DD
=3.3V
30.474 32.768 35.061 kHz
- - Calibrated against a 32.768kHz
reference at 25°C, over [2.7, 3.63]V
30.146 32.768 35.389 kHz
Duty Duty Cycle - - 50 - %
Note: 
1. These values are based on simulation. These values are not covered by test limits in production or
characterization.
2. This oscillator is always on.
SAM D21 Family
AEC-Q100 125°C Specifications
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 1132