ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 55

• 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

13. ARM Cortex
13.1
13.2
6430D–ATARM–25-Mar-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
55