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CX25840 Ver la hoja de datos (PDF) - Conexant Systems

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CX25840 Datasheet PDF : 4 Pages
1 2 3 4
Convergence Video
Video Encoders/Decoders
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CX25840/1/2/3 Diagram
CX25840/1/2/3 Features
• Auto detection and configuration
of worldwide broadcast A/V standards
• Worldwide video standards – NTSC (M, J, 4.43), PAL
(B, D, G, H, I, M, N, Nc), SECAM (K, L)
• Worldwide audio standards – BTSC, EIA-J, A2,
NICAM, FM/AM
• Full 2 10-Bit ADCs and data path
• Flexible video input mux with integrated
anti-alias filtering
• Four line adaptive comb filter for NTSC and PAL
• Flexible video output port - 27 MHz ITU-R BT.656,
VIP 2, or ITU-R BT.601 video with separate syncs
• Macrovision detection
• Programmable VBI data slicer for data services such
as closed caption, Teletext, and program guides
• Power-up configurable two wire serial command
interface or two wire VIP 1.1/2 host port interface
• Multiple audio outputs – serial audio interface I2S or
AC97 or embedded as ancillary data in the video stream
• Flexible sample rate conversion on all audio inputs
and outputs
• Hardware interrupt to eliminate polling
• Fast locking mode for security camera applications
• Auxiliary clock output – For providing an over sample
audio clock locked to the video or for use as a general
purpose PLL output
• Infrared transmit and receive logic
• Internal voltage regulation for single supply operation
• Low power
• 80-pinTQFP
Typical Applications
• Flat panel displays
• HDTV
• TV tuners
• DVD players
• Video cameras
• Set-top boxes
• VCRs and PVRs
• Game consoles
© 2003, Conexant Systems, Inc. All Rights Reserved. Conexant and the Conexant
logo are registered trademarks of Conexant Systems, Inc. All other trademarks
are owned by their respective owners. Although Conexant strives for accuracy
in all its publications, this material may contain errors or omissions and is
subject to change without notice. THIS MATERIAL IS PROVIDED AS IS AND WITHOUT
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NON-INFRINGEMENT. Conexant shall not be liable for any
special, indirect, incidental or consequential damages as a result of its use.
www.conexant.com
General Information:
U.S. and Canada: (800) 854-8099
International: (949) 483-6996
Headquarters – Newport Beach
4000 MacArthur Blvd, P.O. Box C
Newport Beach, CA 92660-3095
Order# 102205A
03-0859

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