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ch7206a

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特征


  • yprpb support for 480i, 576i, 480p and 576p output

  • programmable digital input interface supporting rgb and ycrcb input data formats

  • interlaced to progressive scan conversion for dvd

  • support for ntsc, pal tv and progressive scan formats

  • support for scart output

  • tv connection detection

  • outputs of cvbs, s-video and ypbpr

  • two sets of   individual dac output pins, cvbs, s-video and ypbpr to allow switching among tv- out connectors without additional external video switches

  • programmable power management

  • four 10-bit video dac outputs

  • fully programmable through serial port

  • offered in a 48-pin lqfp package

描述

the ch7206a is a video tv encoder device for dvd applications which accepts a digital video input signal, encodes and transmits data through four 10-bit high speed dacs. the device is able to generate synchronization signals for ntsc and pal tv standards with cvbs, s-video outputs, and yprpb outputs (480i, 576i, 480p and 576p).

the device accepts data over one 12-bit (or 8-bit) wide data port with dual edge clock data transfer for multiplexed data (24 bit or 16 bit) through variable voltage data port which supports 5 different data formats including rgb and ycrcb.

a high accuracy low jitter phase locked loop is integrated to create outstanding video quality. itu-r bt.656 interlaced video can be input and scan converted to non-interlaced video.

in addition to tv encoder modes, bypass modes are included which perform color space conversion to hdtv standards and generate and insert hdtv sync signals.

结构图

数据表

应用说明

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技术报告

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规格

input interface ttl/digital rgb, ttl/ycbcr

output interface cvbs , s-video, ypbpr

audio interface  no

other features  scart

package type  lqfp48

订单信息

part number package type number of pins voltage supply

ch7206a-df  lqfp, lead free483.3v

ch7206a-df-tr  lqfp, lead free, tape & reel483.3v

视频

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