Part Ordering Numbers Part Number Worldwide Audio Decoding A2, NICAM, FM, AM, Audio Decoding BTSC (with DBX), EIA-J Audio Decoding CX25840 X CX25841 X CX25842 CX25843 X BTSC (without DBX), EIA-J Audio Decoding Component Video Input VIP Host Port X X X X X X X X X CX25843, CX25842, CX25841, and CX25840 Pinout Convergence Video Video Encoders/Decoders CX2584X Video Decoder MPEG Video Decoder SIF Stereo A/D Left+Right Ch I2S CVBS CCIR 656 CVBS VIF Tuner I2S L, R Stereo Broadcast Audio Decoder 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 • 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 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. 03-0859 • 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 • 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 © 2003, Conexant Systems, Inc. All Rights Reserved. Conexant and the Conexant • Hardware interrupt to eliminate polling • Fast locking mode for security camera applications • 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 www.conexant.com General Information: U.S. and Canada: (888) 855-4562 International: (732) 345-7500 Headquarters 4000 MacArthur Blvd. Newport Beach, CA 92660 Order# 102205A