YGV638 查看數據表（PDF） - Yamaha Corporation

零件编号

产品描述 (功能)

生产厂家

YGV638

Video Controller 2

Yamaha Corporation 

■ Features

YGV638

■ Features

■ Display Function

● Video Output

· Monitor supported: TFT liquid crystal display (digital RGB connection) or compatible display

equipments

· Digital RGB666, Digital RGB666+FRC, Digital RGB888

· Supports NTSC, PAL, QVGA, WQVGA, VGA, WVGA, and SVGA

· Supports interlace and progressive scans

· Supports display timings in 1 dot and in 1 line resolution

· Equalizing pulse insertion for composite sync signals

· Dot clock polarity selection

· Sync signal polarity selection

· Gamma correction function (look-up table based)

· On-chip LCD timing controller

● Display Plane Functions

· Up to 341 planes (up to 128 planes per scan line) and one external video plane

· A layer displays either sprites, lines or texts

· Alpha-blending between layers

· Alpha-blending between layer and external video

· Picture attribute controls by layers (contrasts, brightness)

■ Layer Function

● Sprite

· Displaying up to 341 sprites per screen and up to 128 sprites per scan line

· Specified by horizontal and vertical coordinates

· Sizes from 8 dot × 8 dot to 1024 dot × 1024 dot. Horizontal and vertical scaling independently

selectable (in 8-dot unit)

· 2, 16, 64, or 256 palette colors from 16M colors, or 64K colors with 16-bit RGB, 256K colors with

18-bit RGB, and 16M colors, life-like picture quality with 24-bit RGB

· Scaling Function

· Anti-aliasing of the outline profile

· On-chip palettes with 1024 colors (combinations of 2 color palettes, 16 color palettes, 64 color

palettes, and 256 color palettes up to 1024 colors in total)

4GV638A21

2

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