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AXI INTERCONNECT generation

narendra kandimalla
Note: This was originally posted on 12th July 2012 at http://forums.arm.com

Hi ,

I am generating AXI Interconnect using ARM tool (adcanvas) NIC301r2p2.  I can see option to define user related signals(Read&Write).
Can any one tell what is the significance of these signals. I could not find corresponding description anywhere.

Thanks
Narendra
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  • Note: This was originally posted on 18th July 2012 at http://forums.arm.com

    Hi  Narendra,

    As others said, these USER signals are optional and are not recommended by the specification.
    Whose definitions can be set by the user, so the meaning of each bit in these signal may differ in different implementations.

    One good example of usage of these signals is PL310, cache controller from ARM. Which uses USER signals to pass some attributes.
    For more info please see the spec.

    Regards,
    Ravi
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  • Note: This was originally posted on 18th July 2012 at http://forums.arm.com

    Hi  Narendra,

    As others said, these USER signals are optional and are not recommended by the specification.
    Whose definitions can be set by the user, so the meaning of each bit in these signal may differ in different implementations.

    One good example of usage of these signals is PL310, cache controller from ARM. Which uses USER signals to pass some attributes.
    For more info please see the spec.

    Regards,
    Ravi
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