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    Information about and features of an ARM processor

    what is ARM processors? what kind of projects using by ARM?

    •   Alt8th June 2005, 10:51

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    arm processor instruction set

    Its an RISC processor( upto 64 bit) developed by ARM, Almost all SOC's and other wireless related projects are using ARM processor because of its flexibility and other resource materials from ARM, U can check the ARM site for all the good documentation, and even there is a book related to ARM's SOC architecture in EDA board.

    please refer the ARM site



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    ARM processor

    Start ARM development and tools from : http://www.olimex.com/dev/index.html




    -------------------------------------------------
    http://www.micro4you.com



    •   Alt8th June 2005, 11:25

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    Re: ARM processor

    the main advantage of the arm processor it can switch between 16 bit and 32 bit when required this saves lot of power required by procesor thus mainly used in portable battery instruments.



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    ARM processor

    ARM stands for Advanced RISC Machine. It is frequently used in embedded system, SOC.
    ARM has high performance with low power consumption. And also has Thumb instructions to achieve high code density.
    ARM is good.



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    Re: ARM processor

    The most notable features of the ARM instruction set are:
    • The load-store architecture;
    • 3-address data processing instructions (that is, the two source operand registers
    and the result register are all independently specified);
    • conditional execution of every instruction;
    • the inclusion of very powerful load and store multiple register instructions;
    • the ability to perform a general shift operation and a general ALU operation in a
    single instruction that executes in a single clock cycle;
    • open instruction set extension through the coprocessor instruction set, including
    adding new registers and data types to the programmer's model;
    • a very dense 16-bit compressed representation of the instruction set in the Thumb
    architecture.
    To those readers familiar with modern RISC instruction sets, the ARM instruction
    set may appear to have rather more formats than other commercial RISC processors.
    While this is certainly the case and it does lead to more complex instruction decoding,
    it also leads to higher code density. For the small embedded systems that most ARM
    processors are used in, this code density advantage outweighs the small performance
    penalty incurred by the decode complexity. Thumb code extends this advantage to
    give ARM better code density than most CISC processors



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    Re: ARM processor

    Atmel is having a Processor or couple of them based on ARM core. I think that's a best place to start with.



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