SAM3A8C Atmel Corporation, SAM3A8C Datasheet - Page 42
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
SAM3A8C
Manufacturer Part Number
SAM3A8C
Description
Manufacturer
Atmel Corporation
- Current page: 42 of 72
- Download datasheet (2Mb)
Figure 10-1. System Controller Block Diagram
44
44
FSTT0 - FSTT15
SAM3X/A
SAM3X/A
XOUT32
NRSTB
FWUP
SHDN
XIN32
XOUT
NRST
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
MAINCK
Embedded
32 kHz RC
MAINCK
Oscillator
Oscillator
General Purpose
Backup Registers
Power-on Reset
12 / 8 / 4 MHz
XTAL Oscillator
Zero-Power
Embedded
Oscillator
3 - 20 MHz
RC
RTC
RTT
osc32k_xtal_en
osc32k_rc_en
UPLL
PLLA
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
bodbup_in
bodbup_on
vddcore_nreset
bodcore_on
bodcore_in
supc_interrupt
Master Clock
Cortex-M3
Monitor
Supply
MCK
SLCK
Watchdog
Matrix
Timer
Software Controlled
Input / Output Buffers
Voltage Regulator
ADC & DAC
PIOA/B/C/D/E/F
Brownout
VDDIN
Detector
USB
Core Power Supply
Peripherals
Peripheral
SRAM
Bridge
Flash
VDDUTMI
VDDCORE
VDDOUT
VDDANA
WKUP0 - WKUP15
VDDIO
PIOx
ADVREF
ADx
DACx
USBx
11057AS–ATARM–10-Feb-12
11057AS–ATARM–10-Feb-12
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