Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Fiche De Données
Codes de produits
ATSAMD21-XPRO
956
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
36.11.6 8MHz RC Oscillator (OSC8M) Characteristics
Table 36-44. Internal 8MHz RC Oscillator Characteristics
36.11.7 Fractional Digital Phase Locked Loop (FDPLL96M) Characteristics
Table 36-45. FDPLL96M Characteristics
Note:
1. All values have been characterized with FILTSEL[1/0] as default value.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
f
OUT
Output frequency
I
Calibrated against a 8MHz reference
at 25°C, over [-40, +85]C, over [1.62,
3.63]V
at 25°C, over [-40, +85]C, over [1.62,
3.63]V
7.8
8
8.16
MHz
Calibrated against a 8MHz reference
at 25°C, at V
at 25°C, at V
DD
=3.3V
7.94
8
8.06
Calibrated against a 8MHz reference
at 25°C, over [1.62, 3.63]V
at 25°C, over [1.62, 3.63]V
7.92
8
8.08
I
OSC8M
Current consumption
IIDLE
IDLE2 on OSC32K versus IDLE2 on
calibrated OSC8M enabled at 8MHz
(FRANGE=1, PRESC=0)
(FRANGE=1, PRESC=0)
64
µA
t
STARTUP
Startup time
I
-
2.1
3
µs
Duty
Duty cycle
I
-
50
-
%
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
f
IN
Input frequency
32
-
2000
KHz
f
OUT
Output frequency
48
-
96
MHz
I
FDPLL96M
Current consumption
f
IN
= 32 kHz, f
OUT
= 48 MHz
500
700
µA
f
IN
= 32 kHz, f
OUT
= 96 MHz
900
1200
Jp
Period jitter
f
IN
= 32 kHz, f
OUT
= 48 MHz
-
1.5
2.0
%
f
IN
= 32 kHz, f
OUT
= 96 MHz
3.0
10.0
f
IN
= 2 MHz, f
OUT
= 48 MHz
1.3
2.0
f
IN
= 2 MHz, f
OUT
= 96 MHz
3.0
7.0
t
LOCK
Lock Time
After startup, time to get lock
signal.
f
signal.
f
IN
= 32 kHz, f
OUT
= 96 MHz
1.3
2
ms
f
IN
= 2 MHz, f
OUT
= 96 MHz
25
50
µs
Duty
Duty cycle
40
50
60
%