ARM ARM1176JZF-S Bedienungsanleitung PDF herunterladen (Seite 18)

Confidential

353535

Cortex Cores:

AXIAXIAHB Lite/APBAHB Lite/APB

Bus

YesYesYesYes

Standby

Mode

Yes YesNo No

VFP Support

Yes

MPU

(optional)

Write Through

Write Back

Random

0-8M Instr

0-8M Data

4-way

4-64K Instr

4-64K Data

8 words/line

Harvard

Cortex-R4

YesN/AN/A

Streaming

YesNoNo

Hi Vectors

MMUNoneMPU

MMU/MPU

Write Through

Write Back

N/AN/A

Write

Strategy

RandomN/AN/A

Replacemen

None

0-1M Instr

0-1M Data

None

TCM

4-wayN/AN/A

Associativity

16 or 32 Instr

16 or 32 Data

16 words/line

NoneNone

Cache

HarvardHarvardHarvard

Architecture

Cortex-A8Cortex-M1Cortex-M3

363636

TrustZone Computing

New Secure Monitor Mode:

gate-keeper for secure state

New S-bit in CP15 to indicate when

the processor is running in a

secured state

Security state exposed on external

bus accesses to permit security-

aware memory and peripherals

Ability to restrict debug to non-

secure state

TrustZone adds a “parallel world” to allow trusted programs and data to

be safely separated from the OS and applications

Introduced for ARM1176, standard for ARMv7-A Cores

Features:

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