Smart displays

Due to the built in processor you can drive these smart displays with commands, f.e. via UART or SPI ports. You don't need to program every pixel like with common displays. You just give a command, f.e. "write rectangle x1, x2, y1, y2", "display image 1" or "display string xyz", etc. Internally programmed fonts are selected in a similar way. The built in uP communicates with other systems over UART or SPI.