SAM4L_14 Datasheet, PDF (46/176 Pages) ATMEL Corporation – Technology for Ultra-low Power Consumption

6. Power and Startup Considerations
6.1 Power Domain Overview
Figure 6-1. ATSAM4LS Power Domain Diagram
ATSAM4L8/L4/L2
DUAL OUTPUT
TRIMMABLE
VOLTAGE
REGULATOR
AD0-AD14
ADVREF
AC0A-AC3A
AC0B-AC3B
DACOUT
VDDANA DOMAIN
ADC
ANALOG
COMPARATORS
DAC
STARTUP
LOGIC
POR33
BOD33
BOD18
XIN32
XOUT32
EXTINT0-EXTINT8
RC32K
OSC32K
VDDANA
GNDANA
CORTEX M4
CPU
PDCA
USBC
RAM
CORE DOMAIN
FLASH
PERIPHERAL BRIDGE A
PERIPHERALS
BUS MATRIX
PERIPHERAL BRIDGE B
AHB PERIPHERALS
PERIPHERAL BRIDGE C
POWER MANAGER
GPIO
FREQUENCY
METER
SYSTEM
CONTROL INTERFACE
PLL
DFLL
RCSYS
RCFAST
PERIPHERAL BRIDGE D
BACKUP SYSTEM
CONTROL INTERFACE
BACKUP
POWER MANAGER
POR18
EXTERNAL INTERRUPT
CONTROLLER
ASYNCHRONOUS TIMER
WATCHDOG
TIMER
BACKUP
REGISTERS
BACKUP DOMAIN
VDDIO DOMAIN
USB
PADS
MPOSC
GPIOs
RC80M
VDDIO
GND
46
42023GS–SAM–03/2014