Daewoo DTJ-28A6F, Service Manual, Page: 23 / 54

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IC description
5-4. SDA9255 (Scan Rate Converter )
(1) Features
• 100/120 Hz interlaced scan conbersion
• Data format 4:1:1
• On chip field memory
• Digital vertical zooming
• Digital vertical panning]
• Motion adaptive temporal noise reduction, field based
• Still field
• Color difference input data representation 2’s complement or unsigned
• Color difference output data representation 2’s complement or unsigned
• Sync Generation for backend IC
• - Bus control (400 kHz)
• P-MQFP-64 package
• 5V 5% supply voltage
(2) General Description
The SDA 9255 is a new component of the Siemens MEGAVISION IC set. The SDA 9255 comprises some of the func-
tionalities of the MEGAVISION IC’s SDA 9220 (Memory Sync Controller) and SDA 9254 (Triple TV-SAM plus Noise
Reduction) and can therefore be used as a low cost digital featurebox.
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