Convergence Video
Video Encoders/Decoders
CX2584X
Video Decoder
CVBS
CCIR 656
I2S
CVBS
SIF
MPEG Video
Decoder
VIF
Tuner
L, R Stereo
Broadcast Audio
Decoder
Stereo A/D
Left+Right
Ch
I2S
CX25840/1/2/3 Diagram
CX25840/1/2/3 Features
• Auto detection and configuration
• Hardware interrupt to eliminate polling
of worldwide broadcast A/V standards
• Fast locking mode for security camera applications
• Worldwide video standards – NTSC (M, J, 4.43), PAL
(B, D, G, H, I, M, N, Nc), SECAM (K, L)
• Auxiliary clock output – For providing an over sample
audio clock locked to the video or for use as a general
purpose PLL output
• Worldwide audio standards – BTSC, EIA-J, A2,
NICAM, FM/AM
• Infrared transmit and receive logic
• Internal voltage regulation for single supply operation
• Low power
• Full 2 10-Bit ADCs and data path
• Flexible video input mux with integrated
anti-alias filtering
• 80-pinTQFP
• Four line adaptive comb filter for NTSC and PAL
Typical Applications
• Flat panel displays
• HDTV
• Flexible video output port - 27 MHz ITU-R BT.656,
VIP 2, or ITU-R BT.601 video with separate syncs
• Macrovision detection
• TV tuners
• Programmable VBI data slicer for data services such
as closed caption,Teletext, and program guides
• DVD players
• Video cameras
• Set-top boxes
• VCRs and PVRs
• Game consoles
• 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
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General Information:
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International: (732) 345-7500
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subject to change without notice. THIS MATERIAL IS PROVIDED AS IS AND WITHOUT
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