Datasheet

75
[Not recommended for new designs - Use XMEGA A1U series] XMEGA A1 [DATASHEET]
8067O–AVR–06/2013
34.3 Speed
Table 34-2. Operating voltage and frequency.
The maximum CPU clock frequency of the XMEGA A1 devices is depending on V
CC
. As shown in Figure 34-1 on page
75 the Frequency vs. V
CC
curve is linear between 1.8V < V
CC
<2.7V.
Figure 34-1. Maximum Frequency vs. Vcc
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