check lsb in vhdl

basma Guest 2014-02-22 16:47 #3545607

Rate this post

•	▲ useful ▼ not useful

hi all;
i want to detect if the lsb is odd or even for integer data . how can i 
do it in vhdl code

Marius S. (lupin) 2014-02-22 17:26 #3545652

Rate this post

•	▲ useful ▼ not useful

You can use the "mod" operator.

http://www.csee.umbc.edu/portal/help/VHDL/operator.html

if (myinteger mod 2 = 1) then
  -- even


Alternatively you can first convert to unsigned type and then check the 
lowest bit.

myunsigned <= to_unsigned(myinteger, length);
if (myunsigned(0) = '1') then