AT91SAM9G46B-CU 查看數據表（PDF） - Atmel Corporation

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AT91SAM9G46B-CU

SMART ARM-based Embedded MPU

Atmel Corporation 

8. ARM926EJ-S Processor Overview

8.1 Description

The ARM926EJ-S processor is a member of the ARM9™ family of general-purpose microprocessors. The

ARM926EJ-S implements ARM architecture version 5TEJ and is targeted at multi-tasking applications where full

memory management, high performance, low die size and low power are all important features.

The ARM926EJ-S processor supports the 32-bit ARM and 16-bit THUMB instruction sets, enabling the user to

trade off between high performance and high code density. It also supports 8-bit Java instruction set and includes

features for efficient execution of Java bytecode, providing a Java performance similar to a JIT (Just-In-Time

compilers), for the next generation of Java-powered wireless and embedded devices. It includes an enhanced

multiplier design for improved DSP performance.

The ARM926EJ-S processor supports the ARM debug architecture and includes logic to assist in both hardware

and software debug.

The ARM926EJ-S provides a complete high performance processor subsystem, including:

 An ARM9EJ-S integer core

 A Memory Management Unit (MMU)

 Separate instruction and data AMBA AHB bus interfaces

 Separate instruction and data TCM interfaces

32 SAM9G46 Series [DATASHEET]

Atmel-11028G-ATARM-SAM9G46-Datasheet_08-Dec-15

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