ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 37

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 10-1. System Controller Block Diagram
6430D–ATARM–25-Mar-11
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
Oscillator
3 - 20 MHz
RC
RTC
RTT
osc32k_xtal_en
osc32k_rc_en
PLLA
UPLL
rtc_alarm
XTALSEL
rtt_alarm
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
ADC (front-end)
Voltage Regulator
PIOA/B/C
Brownout
VDDIN
Detector
USB
Core Power Supply
Peripherals
Peripheral
SRAM
Bridge
Flash
VDDUTMI
VDDCORE
VDDOUT
VDDANA
SAM3U Series
WKUP0 - WKUP15
VDDIO
PIOx
ADVREF
ADx
USBx
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