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Choosing the right architecture for embedded graphics apps

Posted: 07 Jun 2011     Print Version  Bookmark and Share

Keywords:graphic display controllers  3D rendering  image warping 

Nowadays, graphic display controllers (GDCs) play an integral role to wide spectrum of new applications including 3D rendering and image warping. High-end GDCs contribute in defining a product's style and value with dynamic graphics that dazzle consumers. On the other side, modest GDCs display information clearly and simply, giving users what they want efficiently and cost effectively.

Whether simply functional or absolutely dazzling, graphics deserve careful attention and reward good design in highly visible ways. There are basic QVGA display ICs, with pre-rendered graphics that may include video input. The highest level provides SXGA or higher display resolution with dynamic 3D graphics and multiple inputs. In the middle are GDCs with WVGA display (primarily 2D dynamic graphics with some 3D also possible) and video inputs.

Some applications are highly cost sensitive, such as the automotive industry, where one of the top priorities a minimised bill of materials. In basic to mid-level applications, designers can address this need by using system-on-a-chip graphics controllers as a single-chip solution. These GDCs can communicate with other automobile systems via the CAN bus and can go into shutdown power mode to preserve battery power.

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