AHDL Function Prototype
FUNCTION ALT_IOBUF (i, oe, )
WITH (IO_STANDARD, CURRENT_STRENGTH, SLOW_SLEW_RATE, LOCATION, ENABLE_BUS_HOLD,
WEAK_PULL_UP_RESISTOR, TERMINATION);
RETURNS (io, o );
FUNCTION ALT_IOBUF (i, oe, )
WITH (IO_STANDARD, CURRENT_STRENGTH, SLOW_SLEW_RATE, LOCATION, ENABLE_BUS_HOLD,
WEAK_PULL_UP_RESISTOR, TERMINATION);
RETURNS (io, o );