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Embedded Processorsask ARM*
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Embedded Processors
Embedded processors provide solutions for real-time systems for mass storage, automotive body and power-train, industrial and networking applications.

Choosing an Operating System
The ARM architecture enjoys the widest choice of embedded operating systems (OS) for system development. OS choice is critical in producing a winning system design that meets the needs of the developer's chosen market. ARM enables choice by partnering with many leading suppliers of embedded OS and development environments.

Choosing an Individual Processor
The table below provides an at-a-glance guide to embedded ARM processors and their performance characteristics, with links to each.


Performance Characteristics
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 Cache Size
(Inst/Data)
Tightly
Coupled
Memory
Memory
Mgt
Bus
Interface
ThumbDSPJazelle
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spacerARM Cortex-M1 Yes-AMBA AHB-Lite + APBYesNoNo
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spacerARM Cortex-M3--MPU (optional)3x AHB-Lite + APBYesNoNo
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spacerARM Cortex-R4(F)0K-64kVariableMPUAMBA 3 AXIYesYesNo
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spacerARM1156T2(F)-SVariableYesMPU3xAXIYesYesNo
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spacerARM7EJ-S---YesYesYesYes
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spacerARM7TDMI---Yes**YesNoNo
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spacerARM7TDMI-S---YesYesNoNo
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spacerARM946E-SVariableYesMPUAHBYesYesNo
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spacerARM966E-S-Yes-AHBYesYesNo
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spacerARM968E-Sn/aYesDMAAHB-LiteYesYesNo
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spacerARM996HSn/a MPU(optional)Dual AMBA AHBYesYesNo
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