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For Information Equipment

MN89201

VGA-NTSC Scan Converter

Overview

The MN89201 converts PC/AT VGA (640

脳

480) display

data into an NTSC video signal without requiring an external

frame memory. It uses filtering to eliminate flicker and

produce a high-quality television image.

Note: PC/AT and VGA are registered trademarks of International

Business Machines Corporation.

Features

Conversion of PC/AT VGA (640

脳

480) display data

into NTSC video signal

鈥?8-bit inputs for VGA R, G, and B signals

Horizontal frequency: 31.5 kHz

Vertical frequency:

59.94 Hz

鈥?Conversion of non-interlaced display to interlaced

display

鈥?Built-in phase-locked loop for synchronizing VGA

and NTSC data clocks

鈥?Conversion from RGB to YCrCb (4:2:2) format

鈥?Data output in NTSC display format (YCrCb24 or

YCrCb16-bit)

Flicker prevention

鈥?Choice of line filters with 3 taps for preventing

flicker

Processing with only line memory

鈥?No need for external VRAM

鈥?All processing completes within built-in line memory

Choice of readout clocks for NTSC output

Choice 1: Choice of clock that has arbitrary

frequency and synchronizes with

VGA clock

External voltage-controlled

oscillator in addition to built-in

phase-locked loop

Choice 2: Choice of clock that has arbitrary

frequency and does not synchronize

with VGA clock

External oscillator

Choice 3: Clock with half frequency of the

VGA-dot-clock

Choose the clock matching the NTSC encoder.

The MN89201 offers high-quality NTSC-compatible

output from a compact configuration.

Applications

Point-of-sale terminals, Factory automation terminals,

word processors, and other terminals

next

MN89201相關型號PDF文件下載

• 型號
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  描述
  廠商
  下載
• MN89201
  英文版
  VGA-NTSC Scan Converter
  PANASONIC
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• MN89201
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