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Reserved Word

Definition:

The reserved word is an identifier reserved in the VHDL language for a special purpose.

Description

The reserved words cannot be used as explicitly declared identifiers. The complete list of reserved words is given below:

abs
after
alias
all
and
architecture
array
assert
attribute
 
begin
block
body
buffer
bus
 
case
component
configuration
constant
 
disconnect
downto
 
else
elsif
end
entity
exit
 
file
for
function
 
generate
generic
group
guarded
 
if
impure
in
inertial
inout
is
 
label
library
linkage
literal
loop
 
map
mod
 
nand
new
next
nor
not
null
 
of
on
open
or
others
out
 
package
port
postponed
procedure
process
pure
 
range
record
register
reject
rem
report
return
rol
ror
 
select
severity
signal
shared
sla
sll
sra
srl
subtype
 
then
to
transport
type
 
unaffected
units
until
use
 
variable
 
wait
when
while
with
 
xnor
xor

Important Notes

 
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