SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 274

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

17.3
Figure 17-1. Supply Controller Block Diagram
274
274
Block Diagram
SAM3X/A
SAM3X/A
FSTT0 - FSTT15
XOUT32
NRSTB
FWUP
SHDN
XIN32
NRST
XOUT
XIN
(1)
VDDBU
FSTT0 - FSTT15 are possible Fast Startup Sources, generated by WKUP0-WKUP15 Pins,
but are not physical pins.
vddcore_nreset
Backup Power Supply
SLCK
SLCK
Xtal 32 kHz
Embedded
32 kHz RC
MAINCK
MAINCK
Oscillator
Oscillator
General Purpose
Backup Registers
Power-on Reset
12 / 8 / 4 MHz
XTAL Oscillator
Zero-Power
Embedded
3 - 20 MHz
Oscillator
RC
RTC
RTT
osc32k_xtal_en
osc32k_rc_en
PLLA
UPLL
rtc_alarm
rtt_alarm
XTALSEL
Slow Clock
Controller
SLCK
Reset
Main Clock
MAINCK
PLLACK
UPLLCK
SLCK
Controller
Supply
proc_nreset
periph_nreset
ice_nreset
Management
Controller
Power
vr_standby
vr_vdd
vr_deep
vddcore_nreset
bodcore_on
bodcore_in
supc_interrupt
sm_in
sm_on
Master Clock
Cortex-M3
Monitor
Supply
MCK
SLCK
Watchdog
Matrix
Timer
Software Controlled
Input / Output Buffers
ADC (front-end)
DAC (front-end)
Voltage Regulator
PIOA/B/C
Brownout
VDDIN
Detector
USB
Core Power Supply
Peripherals
Peripheral
SRAM
Bridge
Flash
VDDUTMI
VDDCORE
VDDOUT
VDDANA
PIOx
ADVREF
ADx
USBx
DACx
WKUP0 - WKUP15
VDDIO
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12