(China (Mainland))
Product Summary
The VT1621 is a TV Encoder. It accepts various RGB or YCrCb pixel data streams from a VGA controller or MPEG decoder and generates high quality flicker-free composite and Y/C (S-video) signals. The VT1621 contains the same functionality and register. The only variation is that the VT1621 is Macrovision disabled. The device can accept any digital input format from 512x384 to 800x600.
Parametrics
VT1621 absolute maximum ratings: (1)TSTG Storage Temperature: –55 to 125 ℃; (2)TC Case Operating Temperature: 0 to 55 ℃; (3)VI Input Voltage (all digital pins): GND – 0.5 to VCC+0.5 V; (4)VESD Electrostatic Discharge (Human Body): 2 kV; (5)TVPS Vapor Phase Soldering (1 min.): 220 ℃.
Features
VT1621 features: (1)Underflow check and coring function for reducing the input noise; (2)Composite, S-Video and SCART output support; (3)Flicker filtering to enhance to TV image quality; (4)Dot crawl control circuit to still this phenomenon; (5)Master or slave video timing operation; (6)New Algorithm for text sharpness; (7)High Quality 3 × 9-bit Video DAC; (8)Serial bus programming interface; (9)Programmable power management; (10)Automatic detection of TV presence; (11)Buffered crystal clock output pin; (12)ProScale扑 engine support for underscan and overscan mode.
Diagrams
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 VT1621M |
Other |
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Data Sheet |
Negotiable |
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VT1621 |
Other |
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Data Sheet |
Negotiable |
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