ATXMEGA256A3BU Datasheet, PDF (73/143 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA A3BUMicrocontroller

37.4 Wake-up time from sleep modes
Table 37-6. Device wake-up time from sleep modes with various system clock sources.
Symbol Parameter
Wake-up time from idle,
standby, and extended standby
mode
t_wakeup
Wake-up time from Power-save
and Power-down mode
Condition
External 2MHz clock
32.768kHz internal oscillator
2MHz internal oscillator
32MHz internal oscillator
External 2MHz clock
32.768kHz internal oscillator
2MHz internal oscillator
32MHz internal oscillator
Min.
Typ. ⁽¹⁾
2.0
120
2.0
0.2
4.5
320
9.0
5.0
Max. Units
µs
Note:
1. The wake-up time is the time from the wake-up request is given until the peripheral clock is available on pin, see Figure 37-2. All peripherals and modules start
execution from the first clock cycle, expect the CPU that is halted for four clock cycles before program execution starts.
Figure 37-2. Wake-up time definition.
Wakeup time
Wakeup request
Clock output
XMEGA A3BU [DATASHEET]
73
8362F–AVR–02/2013