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MB86291 "Scarlet" is an enhanced version of MB86290A "Cremson" which adds 16Mbit embedded SDRAM, video input functions and a
geometry processor. The concept of display layers, 2D/3D rendering functions and the display controller features are taken from
"Cremson" MB86290A.
Scarlet is optimized for applications in car navigation systems which requires video input features, consumer information
processing systems and arcade game applications.
Scarlet has 16 Mbit of embedded SDRAM with high bandwith (100MHz). No external SDRAM devices are required for graphic memory.
The external video input can be used to capture video signals according to the standard RBT-ITU656 YUV4:2:2 format.
Picture-in-picture functions are supported to display the video image (the W-layer is dedicated for that purpose). To adjust
the dimensions of the video input format, a flexible video scaler is integrated.
A geometry processor, capable of performing numeric calculations for graphical operations in included. Supported functions are Affin-conversions, model-view-projections, 3D-clipping operations and others. All drawing functions, display list-formats and software functions are compatible to the "Cremson" MB86290A.
An additional RGB digital interface offers flexible display connections.
Scarlet Blockdiagram
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CMOS 0.25µm technology
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Display resolutions up to 1024x768
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4 layers of overlay display (bottom 2 layers are both split into separate segments)
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Digital video input
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Video scaler
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I2C interface
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Geometry processor
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RGB analog output (high speed DAC)
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RGB digital output (8bit x 3)
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Includes various kinds of 2D/3D graphic acceleration functions
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Built-in alpha blending, anti-aliasing and chroma-keying
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Embedded 16Mbit SDRAM graphic memory
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Configurable CPU-interface for FR30, SH3, SH4, V83x CPUs
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Supply voltage 3.3V (I/O), 2.5V (Internal)
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QFP-208 Package
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Temperature range -40..+85 °C
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| Note: The use of Adobe's Acrobat Reader 4.0 is recommended to have all download
and
browsing
features
available
for
pdf
files.
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Specification Manual DRAFTV1-0
177 pages, 2277 KB
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Specification Manual Corrections X1-00
9 pages, 158 KB
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Graphics Driver Manual DRAFTV1-3
119 pages, 273 KB
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PFV package 0.5mm QFP
1 page, 119 KB
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