ATXMEGA128B3-AU ATMEL [ATMEL Corporation], ATXMEGA128B3-AU Datasheet - Page 80

• Manufacturer Part Number: ATXMEGA128B3-AU
• Description: 8/16-bit Atmel XMEGA B3 Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

36.14.2
Table 36-21. Calibrated 2MHz Internal Oscillator characteristics
36.14.3
Table 36-22. Calibrated 32MHz Internal Oscillator characteristics
36.14.4
Table 36-23. 32kHz Internal ULP Oscillator characteristics
36.14.5
Table 36-24. Phase locked loop characteristics
Note:
8074B–AVR–02/12
Symbol
Symbol
Symbol
Symbol
f
OUT
f
IN
1. The maximum output frequency vs. supply voltage is linear between 1.8V and 2.7V, and can never be higher than 4 times
Calibrated 2MHz RC Internal Oscillator characteristics
Calibrated and tunable 32MHz Internal Oscillator characteristics
32kHz Internal ULP Oscillator characteristics
Phase Locked Loop (PLL) characteristics
the maximum CPU frequency
Parameter
Frequency range
Factory calibrated frequency
Factory calibration accuracy
User calibration accuracy
DFLL calibration stepsize
Parameter
Frequency range
Factory calibrated frequency
Factory calibration accuracy
User calibration accuracy
DFLL calibration step size
Parameter
Factory calibrated frequency
Factory calibration accuracy
Parameter
Input Frequency
Output frequency
Start-up time
re-lock time
(1)
DFLL can tune to this frequency over
voltage and temperature
T = 85°C, V
DFLL can tune to this frequency over
voltage and temperature
T = 85°C, V
T = 85°C, V
Output frequency must be within f
V
V
CC
CC
= 1.60V
= 2.70V
CC
CC
CC
Condition
Condition
Condition
Condition
= 3.0V
= 3.0V
= 3.0V
OUT
Min
-1.5
-0.2
Min
-1.5
-0.2
Min
Min
-12
1.8
0.4
30
20
20
0.22
0.23
Typ
Typ
Typ
Typ
2.0
32
32
23
20
XMEGA B3
Max
Max
Max
Max
128
100
2.2
1.5
0.2
1.5
0.2
35
12
64
32
50
Units
Units
Units
Units
MHz
MHz
MHz
kHz
µs
%
%
%
80