Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

lpm_add_sub output bits - MSB or LSB?

Hi, I looked through the help for lpm_add_sub megafunction <http://quartushelp.altera.com/9.1/mergedProjects/hdl/mega/mega_file_lpm_add_sub.htm> and couldn't really figure out if the input/output...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Unlike lpm_mult, lpm_add_sub has no option to truncate bits.