Data Sheet

1095
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
Table A-46. 32kHz RC Oscillator Characteristics (Device Variant B)
A.8.5 Ultra Low Power Internal 32kHz RC Oscillator (OSCULP32K) Characteristics
I
OSC32K
Current consumption
I
- 0.79 1.80 A
t
STARTUP
Startup time
I
- 1 2 cycle
Duty Duty Cycle
I
- 50 - %
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 [1.62, 3.63]V
28.508 32.768 35.468
kHzCalibrated against a 32.768kHz
reference at 25 C, at V
DD
=3.3V
32.276 32.768 33.260
Calibrated against a 32.768kHz
reference at 25 C, over [1.62, 3.63]V
31.457 32.768 34.079
I
OSC32K
Current consumption
I
- 0.67 2.80 A
t
STARTUP
Startup time
I
- 1 2 cycle
Duty Duty Cycle
I
- 50 - %
Symbol Parameter Conditions Min. Typ. Max. Units
Table A-47. 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,
+125]C, over [1.62, 3.63]V
25.559 32.768 40.305
kHzCalibrated 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
Startup time
I
- 10 - cycles
Duty Duty Cycle
I
- 50 - %