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    ARM11 Overview


    The ARM11™ processor family provides the engine that powers many smartphones in production today; it is also widely used in consumer, home, and embedded applications. It delivers extreme low power and a range of performance from 350 MHz in small area designs up to 1 GHz in speed optimized designs in 45 and 65 nm. ARM11 processor software is compatible with all previous generations of ARM processors, and introduces 32-bit SIMD for media processing, physically tagged caches to improve OS context switch performance, TrustZone for hardware-enforced security, and tightly coupled memories for real-time applications.




    ARM11 Processor Family Features

    • Powerful ARMv6 instruction set architecture
    • ARM Thumb® instruction set reduces memory bandwidth and size requirements by up to 35%
    • ARM Jazelle® technology for efficient embedded Java execution
    • ARM DSP extensions
    • SIMD (Single Instruction Multiple Data) media processing extensions deliver up to 2x performance for video processing
    • ARM TrustZone® technology for on-chip security foundation (ARM1176JZ-S and ARM1176JZF-S processors)
    • Thumb-2 technology (ARM1156(F)-S only) for enhanced performance, energy efficiency and code density
    • Low power consumption:
    • 0.21 mW/MHz (65G) including cache controllers
    • Energy saving power-down modes address static leakage currents in advanced processes
    • High performance integer processor
    • 8-stage integer pipeline delivers high clock frequency (9 stages for ARM1156T2(F)-S)
    • Separate load-store and arithmetic pipelines
    • Branch Prediction and Return Stack
    • High performance memory system design
    • Supports 4-64k cache sizes
    • Optional tightly coupled memories with DMA for multi-media applications
    • High-performance 64-bit memory system speeds data access for media processing and networking applications
    • ARMv6 memory system architecture accelerates OS context-switch
    • Vectored interrupt interface and low-interrupt-latency mode speeds interrupt response and real-time performance
    • Optional Vector Floating Point coprocessor for automotive/industrial controls and 3D graphics acceleration (ARM1136JF-S, ARM1176JZF-S and ARM1156T2F-S processors)
    • All ARM11 family processors are delivered as ARM-Synopsys Reference Methodology compliant deliverables which significantly reduce the time to generate a specific technology implementation of the core and to generate a complete set of industry standard views and models.



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