ARM ARM1176JZF-S Manuel d'utilisateur télécharger pdf (Page 11)

11

Confidential

212121

ARM Cortex-M3 Processor

§

Architecture v7-M (Thumb-2 only) à

Very different from previous ARM

processors

§ No CPSR register

§ Vector table contains addresses, not

instructions

§ Processor automatically saves/restores

state in exceptions

§ Only 2 processor modes (Thread/Handler)

§ No Coprocessor 15 3-stage pipeline with

static branch prediction

§

Atypical Implementation

§ Fixed memory map

§ Integrated interrupt controller

§ Serial-Wire Debug

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ARM Cortex-A8 Processor

§

Architecture v7-A

§

14 stage pipeline

§

NEON media processor

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 17 18 19

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