SAM3SD8C Atmel Corporation, SAM3SD8C Datasheet - Page 276

• Manufacturer Part Number: SAM3SD8C
• Manufacturer: Atmel Corporation

16.3
Figure 16-1. Supply Controller Block Diagram
276
276
Block Diagram
SAM3S8/SD8
SAM3S8/SD8
WKUP0 - WKUP15
FSTT0 - FSTT15
XOUT32
VDDIO
XIN32
XOUT
NRST
XIN
VDDIO
FSTT0 - FSTT15 are possible Fast Startup Sources, generated by WKUP0-WKUP15 Pins,
but are not physical pins.
Backup Power Supply
SLCK
SLCK
Power-on Reset
Embedded
32 kHz RC
Xtal 32 kHz
Oscillator
(Backup)
Oscillator
Zero-Power
Monitor
General Purpose
Backup Registers
Supply
MAINCK
MAINCK
12 / 8 / 4 MHz
XTAL Oscillator
Embedded
Oscillator
3 - 20 MHz
RC
RTC
RTT
osc32k_xtal_en
osc32k_rc_en
PLLA
PLLB
Slow Clock
rtc_nreset
rtc_alarm
rtt_nreset
XTALSEL
rtt_alarm
SLCK
ON
Controller
out
Reset
SLCK
Main Clock
MAINCK
PLLBCK
PLLACK
Controller
Supply
vddcore_nreset
Management
Controller
Power
proc_nreset
ice_nreset
periph_nreset
vr_on
vr_mode
vddcore_nreset
lcore_brown_out
bod_core_on
VDDOUT
Matrix
Input/Output Buffers
Brownout
Software Controlled
Detector
Voltage Regulator
(Core)
SLCK
Transceivers
ADC Analog
DAC Analog
Comparator
Core Power Supply
PIOA/B/C
Circuitry
Circuitry
Analog
USB
Master Clock
MCK
Watchdog
Peripherals
Peripheral
Processor
Cortex-M
Timer
SRAM
Bridge
Flash
VDDIO
VDDIO
VDDCORE
VDDIN
PIOx
ADx
ADVREF
DACx
DDP
DDM
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12