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Altera_Forum
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13 years ago

Difference between unisgned(a,b) and to_unsigned(a,b)?

Hey guys, I am a newbie to FPGA programming and VHDL. I just know the basics. I was wondering if someone could tell me the difference between: unisgned(a,b) and t...
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Altera_Forum
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13 years ago

unsigned(a) - note: not (a,b) - is a type conversion of a similar type a (ie. another array of std_logic, like signed or std_logic_vector.

to_unsigned(a,b) converts an integer a to an unsigned type with length b.