STV3550B STMicroelectronics, STV3550B Datasheet - Page 54

• Manufacturer Part Number: STV3550B
• Manufacturer: STMicroelectronics

Specifications of STV3550B

• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / Rohs Status: Compliant

Graphics functional description
4.3
4.3.1
Note:
4.3.2
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Graphics applications examples
In addition to the menus required for the user interface, certain graphic applications are
supported by the STV3550.
Teletext 1.5
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Specific font formats can be required to fit with the panel resolution.
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Figure 35. Teletext level 1.5
Teletext Level 2.5
In Teletext 2.5, additional graphics objects are decoded to enhance Teletext page content.
Up to 32 re-definable colors can be used by graphic objects. Moreover, up to 16 columns
can be added to either side of the page. Horizontal resolution is then increased to 672 pixels
per line.
40-character width by 26-character (12 x 10) rows
Eight fully-defined colors for both foreground and background planes
Mix mode (background color is fully-transparent to video)
Subtitle mode (full-quality picture with subtitle windows)
Newsflash mode / box attribute (Text with solid background, other areas with standard
video)
Zoom mode: Characters and semi-graphic symbols are zoomed in by a vertical factor
of 2. The zoom is done by software. Half a page is then displayable. A key enables the
user to alternatively display the upper half of the page, the bottom half of the page or
the complete page without zoom.
STV3550