Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK Data Sheet
Product codes
ATSAM4L-XSTK
53
42023ES–SAM–07/2013
ATSAM4L8/L4/L2
Figure 6-6.
Supply Monitor Schematic
6.4.1
Power-on-Reset on VDDANA
POR33 monitors VDDANA. It is always activated and monitors voltage at startup but also during
all the Power Save Mode. If VDDANA goes below the threshold voltage, the entire chip is reset.
all the Power Save Mode. If VDDANA goes below the threshold voltage, the entire chip is reset.
6.4.2
Brownout Detector on VDDANA
BOD33 monitors VDDANA. Refer to
to get more details.
6.4.3
Power-on-Reset on VDDCORE
POR18 monitors the internal VDDCORE. Refer to
6.4.4
Brownout Detector on VDDCORE
Once the device is startup, the BOD18 monitors the internal VDDCORE. Refer to
to get more details.
POR33
BOD33
BOD18
VDDANA
GNDANA
VDDANA
POR18
DUAL OUTPUT
TRIMMABLE
VOLTAGE
REGULATOR
VDDCORE