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VHDL attribute error at <location>: attribute <name> that is used for multiple bits is not synthesizable

CAUSE: In a VHDL Design File (.vhd) at the specified location, you used an attribute for multiple bits. However, this attribute is not synthesizable for multiple bits.
ACTION: Make sure you use the attribute for single bits only.

See also:

Sections 5.1 and 14 of the IEEE Std 1076-1993 IEEE Standard VHDL Language Reference Manual

- PLDWorld -

 
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