YGV627 CATALOG

CATALOG No.: LSI-4GV627A2

2001.01

YGV627

AVDP3E

Advanced Video Display processor 3 Enhanced

s OUTLINE

YGV627 is a VDP (Video Display Processor) that realizes higher resolution, multi-color and high speed drawing

by adopting a synchronous DRAM as the video memory, while maintaining the register compatibility with

YGV617B that is used for controlling the high minuteness On Screen Display (OSD).

Since the device is capable of displaying bitmap images with various resolutions ranging from NTSC to SVGA on

the monitors with any size of screen including wide screen, it can be used for controlling OSD for various display

units. Also, it is capable of representation of varied images in accordance with the application because numerous

number of colors can be selected such as the one in the range from 16 to 65536 RGB color display, or natural image

display using YCbCr.

In addition, the existing system can be up-graded easily thanks to the basic features from YGV617B such as a high

speed drawing function, character drawing function, synchronization with external video signal, digital video input /

output function, and hardware cursor display function.

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s FEATURES

YGV627 is capable of selecting two modes by using the setting of

For convenience, the case of using

document. In the expansion mode, all the functions can be used.

The case of using

mode, the software compatibility with YGV617B is maintained, but the functions enhanced for YGV617B cannot

be used. These modes should be used in accordance with the purpose of the application of this device.

[Display functions]

(or single color border screen)

(The sprite cursor can also be used as cross-hair line cursor.)

(The two sections can be scrolled independently).

(The number of display colors of 32768 colors or 65536 colors can be selected.)

q

α blending function that mixes with external input screen or single color border screen. (64 intensity levels)

(such as sub-carrier clock)