Touch button system having externally programmable display

A touch button system having externally programmable display, including:

• a plurality of touch units, each including:
• at least one touch display button, each having a touch display area, a button operation data output interface, and a display data input interface;
• and
• a control unit, including at least one touch display interface, at least one input interface, and at least one output interface, wherein, the at least one touch display interface is coupled with the display data input interface and the button operation data output interface of the at least one touch display button for transmitting display data to and deriving button operation data from each of the at least one touch display button;
• the at least one input interface is used for receiving image data from an external device, and the control unit generates the display data according to the image data;
• and the at least one output interface is used for outputting at least one operation code, the at least one operation code being generated according to the button operation data;
• and
• a central processing unit coupled with the control unit of each of the touch units to provide the image data and receive the at least one operation code, and drive at least one object in response to the at least one operation code in a prioritized order.