Cortex a-8 : highlights, Trust zone – Texas Instruments MICROPROCESSOR TI SITARA User Manual

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CORTEX A-8 : Highlights

• First ARMv7 instruction-set architecture
• Superscalar architecture delivers high performance

– Advanced dynamic Branch prediction

– Advanced dynamic Branch prediction

• 256 KB unified L2 cache

– Dedicated, low-latency, high-BW interface to L1 cache

– Dedicated, low-latency, high-BW interface to L1 cache

• Enhanced VFPv3

– Doubles number of double-precision registers
– Adds new instructions to convert between fixed and floating point

– Adds new instructions to convert between fixed and floating point

• Efficient Run Time Compilation Target

– Jazelle-RCT: Target for Java. Memory footprint reduced up to 3x

– Jazelle-RCT: Target for Java. Memory footprint reduced up to 3x

• Trust Zone

– Normal & Secure worlds have different memory views

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