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1093
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
A.8.3 Digital Frequency Locked Loop (DFLL48M) Characteristics
Table A-41. DFLL48M Characteristics - Open Loop Mode
(1)
(Device Variant A)
Table A-42. DFLL48M Characteristics - Open Loop Mode
(1)
(Device Variant B)
Note: 1. DFLL48M in Open loop after calibration at room temperature.
Symbol Parameter Conditions Min. Typ. Max. Units
f
OUT
Output frequency
I
DFLLVAL.COARSE =
DFLL48M COARSE CAL
DFLLVAL.FINE = 512
47 48 49 MHz
I
DFLL
Power consumption on V
DDIN
I
DFLLVAL.COARSE =
DFLL48M COARSE CAL
DFLLVAL.FINE = 512
- 403 457 A
t
STARTUP
Startup time
DFLLVAL.COARSE =
DFLL48M COARSE CAL
DFLLVAL.FINE = 512
f
OUT
within 90% of final value
7 8 9 s
Symbol Parameter Conditions Min. Typ. Max. Units
f
OUT
Output frequency
I
DFLLVAL.COARSE =
DFLL48M COARSE CAL
DFLLVAL.FINE = 512
47 48 49 MHz
I
DFLL
Power consumption on V
DDIN
I
DFLLVAL.COARSE =
DFLL48M COARSE CAL
DFLLVAL.FINE = 512
- 403 453 A
t
STARTUP
Startup time
DFLLVAL.COARSE =
DFLL48M COARSE CAL
DFLLVAL.FINE = 512
f
OUT
within 90% of final value
8 9 s