RS-232 interface are intelligent graphics display for LCD graphics units.Voltage of +5 volt to construct RS-232, no future signals are required and no other additional software or specific drivers required to operate it.
Graphics routines are integrated in display’s of RS-232 in-built high-level graphics controller. This permits the creation of a clear and attractive display using only a few commands.
Cost-saving and there are two to three integrated character sets and a wide range graphics functions permit the time.