Version
1.1 rev. a
+, -, *, /, =, /=, <, <=, >, >=, **, &
not, and, or, xor, nand, nor, xnor
Reserved words:
after,
architecture, begin, case, component, constant, downto, else, elsif, end, entity,
for, if, in, inout, is, label, map, of, others, out, port, port map, process,
range, signal,
then, to, type, until, (variable,) (wait,) when, while
integer, enumerated, physical (only TIME),
bit, bit_vector, Boolean, std_logic, std_logic_vector
Concurrent, sequential, behavioural, data flow.
Attributes
for signals:
‘event