Display controller

Seiko Epson has developed an embedded system display controller that handles graphical user interface visual effects.

The S1D13781 supports both colour and monochrome STN and TFT panels.

The device supports alpha blending, a visual effect rendering technique, with a built-in feature that automatically updates alpha values on the basis of a customisable number and duration of transparency gradations.

It supports picture-in-picture display, displays 24 bpp (RGB 8:8:8) full-colour and supports wide QVGA LCD panels.

Specifications include: QVGA - WQVGA 24 bpp or QVGA - WVGA 8 bpp resolution; built-in SRAM (384 KB) display buffer; 8/16-bit data bus, direct/indirect, SPI (mode 0/3) CPU interface; RGB 8:8:8, RGB 5:6:5, 8 bpp greyscale colour depth; 24-bit TFT panel, STN panel (colour, monochrome) panel interface; 3.3 and 1.5 V supply.