Datasheet
39.8.5 Ultra Low Power Internal 32kHz RC Oscillator (OSCULP32K) Characteristics
Table 39-43. Ultra Low Power Internal 32kHz RC Oscillator Characteristics (Device Variant A)
Symbol Parameter Conditions Min. Typ. Max. Units
f
OUT
Output frequency Calibrated against a 32.768kHz
reference at 25°C, over [-40, +85]C,
over [1.62, 3.63]V
25.559 32.768 40.305 kHz
Calibrated against a 32.768kHz
reference at 25°C, at V
DD
=3.3V
31.293 32.768 34.570
Calibrated against a 32.768kHz
reference at 25°C, over [1.62,
3.63]V
31.293 32.768 34.570
i
OSCULP32K
(1)(2)
- - 180 nA
t
STARTUP
Start-up time - 10 - cycles
Duty Duty Cycle - 50 - %
Table 39-44. Ultra Low Power Internal 32kHz RC Oscillator Characteristics (Device Variant B, C, D
and L)
Symbol Parameter Conditions Min. Typ. Max. Units
f
OUT
Output frequency Calibrated against a 32.768kHz reference
at 25°C, over [-40, +85]C, over [1.62,
3.63]V
25.559 32.768 40.305 kHz
Calibrated against a 32.768kHz reference
at 25°C, at V
DD
=3.3V
31.293 32.768 34.570
Calibrated against a 32.768kHz reference
at 25°C, over [1.62, 3.63]V
31.293 32.768 34.570
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
Electrical Characteristics at 125°C
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 1094