Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK Data Sheet
Product codes
ATSAM4L-XSTK
45
42023ES–SAM–07/2013
ATSAM4L8/L4/L2
6.
Power and Startup Considerations
6.1
Power Domain Overview
Figure 6-1.
ATSAM4LS Power Domain Diagram
ASYNCHRONOUS TIMER
EXTERNAL INTERRUPT
CONTROLLER
WATCHDOG
TIMER
BACKUP
POWER MANAGER
BACKUP SYSTEM
CONTROL INTERFACE
OSC32K
RC32K
BACKUP
REGISTERS
SYSTEM
CONTROL INTERFACE
POWER MANAGER
FREQUENCY
METER
GPIO
POR33
BOD33
BOD18
STARTUP
LOGIC
POR18
PLL
DFLL
RCSYS
PERIPHERAL BRIDGE C
PERIPHERALS
PERIPHERAL BRIDGE A
AHB PERIPHERALS
PERIPHERAL BRIDGE B
BUS MATRIX
CORTEX M4
CPU
FLASH
PDCA
RAM
PERIPHERAL BRIDGE D
CORE DOMAIN
VDDANA DOMAIN
BACKUP DOMAIN
VDDANA
GNDANA
MPOSC
AD0-AD14
ADVREF
AC0A-AC3A
AC0B-AC3B
XIN32
XOUT32
EXTINT0-EXTINT8
USBC
ANALOG
COMPARATORS
ADC
RCFAST
RC80M
VDD
IN
GN
D
VDD
O
UT
VDD
C
O
R
E
DUAL OUTPUT
TRIMMABLE
VOLTAGE
REGULATOR
BUC
K
/L
D
O
n
(PA0
2)
DAC
DACOUT
VDDIO
GND
VDDIO DOMAIN
GPIOs
USB
PADS