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CX25870

Conexant Systems
Part Number CX25870
Manufacturer Conexant Systems
Description (CX25870 / CX25871) Video Encoder
Published Mar 3, 2009
Detailed Description www.DataSheet4U.com CX25870/871 Video Encoder with Adaptive Flicker Filtering and HDTV Output Conexant’s CX25870/871 is...
Datasheet PDF File CX25870 PDF File

CX25870
CX25870

Overview
www.
DataSheet4U.
com CX25870/871 Video Encoder with Adaptive Flicker Filtering and HDTV Output Conexant’s CX25870/871 is specifically designed to meet TV out system requirements for the next-generation desktop PCs, notebook PCs, game consoles and set-top boxes.
With pin and software-forward compatibility to the Bt868/869, manufacturers can quickly bring to market new solutions that support adaptive flicker filtering, ATSC High-Definition Television (HDTV) output, and resolutions from 320 x 200 (minimum) to 1024 x 768 (maximum).
Adaptive flicker filtering is a Conexant technology in which the encoder looks at the characteristics of the video content on a pixel-by-pixel basis and automatically determines the optimal amount of flicker filtering required.
If an end-user wants to work on a spreadsheet while watching a DVD movie in a window, both the text-intensive application requiring a lot of flicker filtering and the DVD movie requiring very little flicker filtering can look their best.
The amount of flicker filtering and overscan compensation is entirely flexible.
The CX25870/871 also provides a 3-wire analog RGB or YPRPB HDTV output.
While the encoder is in HDTV output mode, the device will automatically insert horizontal tri-level synchronization pulses and vertical synchronization broad pulses.
The CX25870/871 is compliant with the EIA770-3, SMPTE 274M/293M/296M standards and supports ATSC HDTV resolutions including 480p, 720p, and 1080i.
All worldwide standard definition outputs are supported, including NTSC-M (N.
America, Taiwan), NTSC-J (Japan), PAL-B,D,G,H,I (Europe, Asia), PAL-M (Brazil), PAL-N (Uruguay, Paraguay), PAL-Nc (Argentina), PAL-60 (China) and SECAM.
The CX25870 and CX25871 are functionally identical, except the CX25871 can output standard definition video with Macrovision Level 7.
1.
L1 copy protection capability.
Distinguishing Features • HDTV Output Mode (patents pending) – Compliant with EIA770-3 and SMPTE274M/293M/296M standards – Automatic tri-...


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