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PDF PW164A Data sheet ( Hoja de datos )
| Número de pieza | PW164A | |
| Descripción | Image Processor | |
| Fabricantes | Pixelworks | |
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PW164A ImageProcessor
Flat Panel Display Controller IC
The PW164A ImageProcessor is a highly integrated “system-on-a-chip” that interfaces
analog, digital, and video inputs in virtually any format to a pixel-based display.
Computer and video images from NTSC/PAL to UXGA at virtually any refresh rate can
be resized to fit on a fixed-frequency target display device, with any resolution up to
SXGA. An embedded SDRAM frame buffer and memory controller perform frame-rate
conversion completely on-chip.
With an on-chip microprocessor and reference source code, manufacturers can
develop feature-rich products with rapid time-to-market. Programmable features
include the user interface, custom start-up screen, all automatic imaging features, and
special screen effects.
Pixelworks provides an unrivaled end-to-
end product line of system-on-a-chip inte-
grated circuits (ICs), interface ICs, and
software for the advanced display market.
The Pixelworks product line speeds time-
to-market while setting new benchmarks
in image quality, broad compatibility, ease
of use, and lower overall system cost.
Pixelworks’ innovative system-on-a-chip
ImageProcessors and interface ICs process
and optimize video, computer graphics,
and Web information for display on
flat-panel monitors, projectors, digital
televisions, and other advanced display
products using LCD, plasma, and Digital
Light Processing (DLP) technologies.
Applications
• LCD Monitors
• Multimedia Displays
• Plasma Displays
• Projection Displays
Graphics Input
• RGB 24/48-bit
• 162 Mpixels/sec maximum input rate
• Interlaced or progressive inputs
• Digital sync separator—H+V, Composite,
Sync-on-Green support; DE-only input
mode - no other syncs required
• Auto Image Optimization—fast and
accurate image optimization of position,
frequency, phase, brightness, and contrast;
Image can be displayed while optimizing
• Data enable input for non-contiguous
inputs
• Programmable COAST and CLAMP output
signals
Video Input
• RGB 24-bit; YUV 16/24-bit
• 75 MPixels/sec maximum input rate
• Color space converter supports ITU-R 601
• Interlaced or progressive inputs
• Digital sync separator
• Auto Image Optimization
• Data enable input supports
non-contiguous video data
Video Processing
• Video deinterlacing— single field spatial
or two-field temporal
Image Memory
• On-chip SDRAM memory—frame buffer,
OSD buffer, uP RAM
• Frame rate conversion or framelocked
operation
• Double-buffering for video
Image Scaling
• Up and down image scaling
• Independent vertical and horizontal scale
factors
• DSP engine with 160 taps
• Programmable sharpness filters
• Keystone correction and Non-linear scaling
for aspect ratio conversion (-TK only)
• Bypass mode available for 1:1 image
display
On-Screen Display (OSD)
• On-chip, bitmap-based, OSD controller with
on-chip memory
• 4/16-colors from 64k palette
• Typical OSD size—512x360 in 16-color;
maximum size 1024x1024 in 4-color
• Hi-Color OSD—16-bit color images for
startup-screens and test patterns
• Transparent and translucent OSD
• OSD rotation
• Programmable OSD location and size
Clocks
Computer
ADC/
TMDS
Video
Video
Decoder
PW164A
Display
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PW164A
System Block Diagram
ROM
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