Datasheet

81
[Not recommended for new designs - Use XMEGA A1U series] XMEGA A1 [DATASHEET]
8067O–AVR–06/2013
Table 34-15. Internal 2MHz oscillator characteristics.
Table 34-16. Internal 32MHz oscillator characteristics.
Table 34-17. Internal 32kHz, ULP oscillator characteristics.
Table 34-18. Maximum load capacitance (CL) and ESR recommendation for 32.768kHz crystal.
Table 34-19. Device wake-up time from sleep.
Notes: 1. Non-prescaled System Clock source.
2. Time from pin change on external interrupt pin to first available clock cycle. Additional interrupt response time is minimum 5 system clock source cycles.
Symbol Parameter Condition Min Typ Max Units
Accuracy
T = 85C, V
CC
= 3V,
After production calibration
-1.5 1.5 %
DFLL Calibration step size T = 25C, V
CC
= 3V 0.175 %
Symbol Parameter Condition Min Typ Max Units
Accuracy
T = 85C, V
CC
= 3V,
After production calibration
-1.5 1.5 %
DFLL Calibration stepsize T = 25C, V
CC
= 3V 0.2 %
Symbol Parameter Condition Min Typ Max Units
Output frequency 32 kHz ULP OSC T = 85C, V
CC
= 3.0V 26 kHz
Crystal CL [pF] Max ESR [k]
6.5 60
9 35
Symbol Parameter Condition
(1)
Min Typ
(2)
Max Units
Idle Sleep, Standby and Extended
Standby sleep mode
Int. 32.768 kHz RC 130
µS
Int. 2 MHz RC 2
Ext. 2 MHz Clock 2
Int. 32 MHz RC 0.17
Power-save and Power-down
Sleep mode
Int. 32.768 kHz RC 320
Int. 2 MHz RC 10.3
Ext. 2 MHz Clock 4.5
Int. 32 MHz RC 5.8