Convergence Video
Video Encoders/Decoders
CX2584X
Video Decoder
CVBS
Tuner
VIF
SIF
Stereo A/D
Left+Right
Ch
Broadcast Audio
Decoder
CCIR 656
MPEG Video
Decoder
CVBS
I2S
L, R Stereo
I2S
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
© 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
• 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-pin TQFP
Typical Applications
• Flat panel displays
• HDTV
• TV tuners
• DVD players
• Video cameras
• Set-top boxes
• VCRs and PVRs
• Game consoles
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NON-INFRINGEMENT.
Conexant shall not be liable for any
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International: (732) 345-7500
Headquarters
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Newport Beach, CA 92660
Order# 102205A
special, indirect, incidental or consequential damages as a result of its use.
03-0859
CONEXANT [ CONEXANT SYSTEMS, INC ]
