38
32099DS–06/2010
AT32UC3L016/32/64
6.1.3.2
1.8V Single Supply Mode
In 1.8V single supply mode the internal regulator is not used, and VDDIO and VDDCORE are
powered by a single 1.8V supply as shown in
. All I/O lines will be powered by the
same power (VDDIN = VDDIO = VDDCORE).
Figure 6-3.
1.8V Single Power Supply Mode.
VDDIO
VDDCORE
Linear
+
-
1.62-1.98V
VDDANA
ADC
VDDIN
GND
GNDANA
CPU,
Peripherals,
Memories,
SCIF, BOD,
RCSYS,
DFLL
OSC32K
RC32K
AST
Wake
POR33
SM33
I/O Pins
I/O Pins