Epson Develops Controller for Effortless Display of Advanced GUI Visual Effects

Epson Develops Controller for Effortless Display of Advanced GUI Visual Effects

Singapore August 21 2009: Seiko Epson Corporation ("Epson", TSE: 6724) today announced the development of an embedded system display controller that effortlessly handles advanced Graphical User Interface (GUI) visual effects. The new S1D13781 controller supports both color and monochrome STN and TFT panels. Samples are currently available. 

Mobile device GUIs with advanced visual effects are quickly becoming commonplace. Realizing these GUIs has required the handling of a host of features and complex display functions. In developing the new S1D13781 controller, Epson identified and focused on the display features required for a GUI with advanced visual effects. Application notes and sample programs are also available to maximize ease of use. The S1D13781 supports alpha blending*1, a popular visual effect rendering technique, with a built-in feature that automatically updates alpha values*2 on the basis of a customizable number and duration of transparency gradations. Exploiting this feature makes it easy for customers to develop even more impressive GUIs for their embedded systems. 

Main features
1. Attractive graphics
- Enables display effects using alpha blending*1
- Automatic updating of alpha values*2 enables fade effects
- Facilitates appealing illusory effects using blinking, inversion, etc.
- Supports Picture-in-Picture display
- Displays 24 bpp (RGB 8:8:8) full-color
- Supports Wide QVGA LCD panels 

2. Built-in usability
- Consolidated functions to reduce number of configuration registers
- Memory / register / lookup table assigned to the same memory space
- Configuration settings for various LCD panels included in the application notes
- Sample programs for the implementation of every display function included
- Includes peripheral circuit diagram examples for board design 

*1: Alpha blending - a computer graphics rendering technique that assigns convex combination alpha values to images to create transparency effects when overlapping them.
*2: Alpha value - the transparency level set for a given point in a digital image. Alpha values may be set anywhere between fully transparent (colorless) to fully opaque (blocks background color entirely). 


Resolutions supported

QVGA - WQVGA 24 bpp, or QVGA - WVGA 8 bpp

Display buffer

Built-in SRAM (384 KB)

CPU interface

8/16 bit data bus, direct/indirect, SPI (mode 0/3)

Color depth

RGB 8:8:8, RGB 5:6:5, 8 bpp grayscale

Panel interface

24-bit TFT panel, STN panel (color, monochrome)

Display features

Picture-in-Picture, alpha blending, rotating display, 2D BitBLT


QFP15-100 (14 x 14 mm, 0.5 mm pitch)

Supply voltage

3.3 V and 1.5 V

Operating temperature range

-40 to 85°C

Chief applications

IP phones, multifunction printers, control panels for office and factory automation equipment, digital photo frames, etc.

The information appearing here was correct at the time of announcement. Products may be discontinued, and prices or specifications changed without notice.

Posted on Friday, August 21, 2009 (Archive on Monday, January 01, 0001)
Posted by teaustralia  Contributed by teaustralia