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Figure 54-8. Average Frequency Versus Calibration Code Value, VDD = 3V
54.13.4 Digital Frequency Locked Loop (DFLL48M) Characteristics
Table 54-50. DFLL48M Characteristics - Open Loop Mode
(1)
Symbol
Parameter Conditions Min. Typ. Max. Units
F
OpenOUT
Output frequency DFLLVAL after Reset
LDO Regulator mode, [-40, 85]°C
45.8 48 49.3 MHz
DFLLVAL after Reset
LDO Regulator mode, [0, 60]°C
47.2 48 48.81
T
OpenSTARTUP
Startup time DFLLVAL after Reset
F
OUT
within 90% of final value
- 4.3 7 µs
Note: 
1. DFLL48 in open loop can be used only with LDO regulator.
Table 54-51. DFLL48M Characteristics - Closed Loop Mode
Symbol Parameter Conditions Min. Typ. Max. Units
F
CloseOUT
Average Output frequency f
REF
= XTAL, 32.768 kHz, 100 ppm
DFLLMUL = 1464
- 47.972 - MHz
F
REF
(1,2)
Input reference frequency - 732 32768 33000 Hz
SAM D5x/E5x Family Data Sheet
Electrical Characteristics at 85°C
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 2017