SAM3U4E Atmel Corporation, SAM3U4E Datasheet - Page 53
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SAM3U4E
Manufacturer Part Number
SAM3U4E
Description
Manufacturer
Atmel Corporation
Specifications of SAM3U4E
Flash (kbytes)
256 Kbytes
Pin Count
144
Max. Operating Frequency
96 MHz
Cpu
Cortex-M3
# Of Touch Channels
57
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Hi-Speed
Usb Interface
Device
Spi
5
Twi (i2c)
2
Uart
5
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
50
Self Program Memory
YES
External Bus Interface
1
Dram Memory
No
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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13. ARM Cortex
13.1
13.2
6430E–ATARM–29-Aug-11
About this section
About the Cortex-M3 processor and core peripherals
®
M3 Processor
This section provides the information required for application and system-level software devel-
opment. It does not provide information on debug components, features, or operation.
This material is for microcontroller software and hardware engineers, including those who have
no experience of ARM products.
Note: The information in this section is reproduced from source material provided to Atmel by
ARM Ltd. in terms of Atmel’s license for the ARM Cortex
is copyright ARM Ltd., 2008 - 2009.
Figure 13-1. Typical Cortex-M3 implementation
The Cortex-M3 processor is built on a high-performance processor core, with a 3-stage pipeline
Harvard architecture, making it ideal for demanding embedded applications. The processor
delivers exceptional power efficiency through an efficient instruction set and extensively opti-
• The Cortex-M3 processor is a high performance 32-bit processor designed for the
• outstanding processing performance combined with fast interrupt handling
• enhanced system debug with extensive breakpoint and trace capabilities
• efficient processor core, system and memories
• ultra-low power consumption with integrated sleep modes
• platform security, with integrated memory protection unit (MPU).
microcontroller market. It offers significant benefits to developers, including:
Cortex-M3
Processor
NVIC
Access
Debug
Interface
Port
Code
Flash
Patch
Protection Unit
Bus Matrix
Processor
Memory
Core
Watchpoints
Peripheral Interface
Data
SRAM and
™
-M3 processor core. This information
Viewer
Serial
Wire
SAM3U Series
53
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