ATSAM3U4EA-AU Atmel, ATSAM3U4EA-AU Datasheet - Page 36

• Manufacturer Part Number: ATSAM3U4EA-AU
• Description: IC MCU 32BIT 256KB FLASH 144LQFP
• Manufacturer: Atmel
• Series: SAM3Ur

Specifications of ATSAM3U4EA-AU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 96MHz
• Connectivity: EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 96
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 52K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b, 8x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 52 KB
• Interface Type: 4xUSART, 2xTWI, 5xSPI, Bus
• Maximum Clock Frequency: 96 MHz
• Number Of Programmable I/os: 96
• Number Of Timers: 8
• Operating Supply Voltage: 1.62 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-CM3, AT91SAM3U-EK, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3U-EK
• Controller Family/series: SAM3U
• No. Of I/o's: 96
• Ram Memory Size: 52KB
• Cpu Speed: 96MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 10-1. System Controller Block Diagram
36
FSTT0 - FSTT15
SAM3U Series
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
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
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
ADC (front-end)
Voltage Regulator
PIOA/B/C
Brownout
VDDIN
Detector
USB
Core Power Supply
Peripherals
Peripheral
SRAM
Bridge
Flash
VDDUTMI
VDDCORE
VDDOUT
VDDANA
WKUP0 - WKUP15
VDDIO
PIOx
ADVREF
ADx
USBx
6430DS–ATARM–28-Mar-11