Operators

OperatorFunction
NOTcomplement
ANDlogical and
ORlogical or
NANDlogical complement of and
NORlogical complement of or
XORlogical exclusive or
XNORlogical complement of exclusive or
=test for equality
/=test for inequality
<test for less than
<=test for less than or equal
>test for greater than
>=test for greater than or equal

Example

If ((a AND b) = '1')
{
...
}

Use a different clock for Process

rising_edge([clk name]) falling_edge([clk name])

If (Reset = '0')
{
...
}
Elsif (rising_edge(clk_50))
{
...
}
Last updated on by Hendrik Mennen