Graphics Display Controller

Fujitsu Microelectronics EuropeA Graphics Display Controller displays graphical information on four separate memory layers. It has both 2D and 3D graphic functions for displaying information. The overall graphical performance is 100Mpixels/sec.

The four separate layers start with the Base: the fundamental map display layer, which can be divided into two zones. Above this is the Middle layer, a supplement for the base, which can also be divided into two zones. The Window layer, third from the bottom, is applied to overlay graphics or input a video image, whilst the Console layer is applied to show switches and panel displays.

The controller is compatible with the external buses of various types of CPUs (including FR, SH3, SH4) without external glue logic. To adjust to severe temperature conditions and operating environments, the chip has a low power dissipation of less than 1W. Other features include an in-built anti-aliasing function, which allows all lines to appear smooth on the small screens used in navigation systems.

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