Datasheet

65
8068U–AVR–06/2013
XMEGA A3
Not recommended for new designs -
Use XMEGA A3U series
34.3 Operating Voltage and Frequency
The maximum CPU clock frequency of the Atmel
®
AVR
®
XMEGA A3 devices is depending on
V
CC
. As shown in Figure 34-1 on page 65 the Frequency vs. V
CC
curve is linear between
1.8V < V
CC
<2.7V.
Figure 34-1. Maximum Frequency vs. Vcc
Table 34-2. Operating voltage and frequency
Symbol Parameter Condition Min Typ Max Units
Clk
CPU
CPU clock frequency
V
CC
= 1.6V 0 12
MHz
V
CC
= 1.8V 0 12
V
CC
= 2.7V 0 32
V
CC
= 3.6V 0 32
1.8
12
32
MHz
V
2.7
3.6
1.6
Safe Operating Area