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CX24430 Dataheets PDF



Part Number CX24430
Manufacturers Conexant Systems
Logo Conexant Systems
Description Interactive Cable TV Decoder IC
Datasheet CX24430 DatasheetCX24430 Datasheet (PDF)

Set-Top Box Solutions Cable www.DataSheet4U.com Interactive Cable TV Decoder IC CX24430/1/2/3 Conexant‘s highly integrated, single IC, MPEG-2/DVB-compliant, decoder/transceiver solution for digital cable television receivers Conexant’s broadband communications portfolio includes a comprehensive suite of semiconductor solutions that enable the digital home and information network. Adding to this impressive line up are the CX24430/1 and CX24432/3 Interactive Cable TV Decoder ICs. These highly-in.

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Set-Top Box Solutions Cable www.DataSheet4U.com Interactive Cable TV Decoder IC CX24430/1/2/3 Conexant‘s highly integrated, single IC, MPEG-2/DVB-compliant, decoder/transceiver solution for digital cable television receivers Conexant’s broadband communications portfolio includes a comprehensive suite of semiconductor solutions that enable the digital home and information network. Adding to this impressive line up are the CX24430/1 and CX24432/3 Interactive Cable TV Decoder ICs. These highly-integrated products combine a high-speed broadband cable modem and an interactive TV broadcast service decoder onto a single chip. It is a breakthrough in IC integration that will allow set-top box manufacturers to offer advanced, fully-interactive broadband home gateways or other set-top appliances for the price of an entry-level product that only receives TV broadcasts. The CX24431/3 versions support NDS Videoguard® conditional access technology. The CX24430/2 ICs combine the industry’s highest performance DOCSIS® cable modem with the company’s third generation interactive TV decoder technology. This new platform optimizes performance by partitioning cable modem tasks between a dedicated 32-bit ARM940T processor and programmable software MAC. At the same time, digital TV broadcast service decoding and set-top box interactive applications are hosted by a second, dedicated high performance 275MIPS main system processor. The cable modem section of the device also allows for narrowband interactivity based on DAVIC 1.2 and 1.5 as well as the DVS 178 and DVS 167 specifications. CX24430/1/2/3 Distinguishing Features • Cable modem compliant with DOCSIS®/ EuroDOCSIS™1.0/1.1, DVS 178, DVS 167 and DVB • MPEG-2 Digital TV broadcast decoder system • Worldwide NTSC/PAL/SECAM TV encoder • Dual CPU architecture delivering 500+ aggregate MIPS • Dual tuner PVR support • High-performance, IP packet bridging to Ethernet, USB and internal CPU • Advanced 2D graphics rendering • OpenCable™ compliant • QPSK out-of-band receiver and a QPSK/16-QAM upstream burst modulator Part Number CX24430/1/2/3 Description Interactive Cable TV Decoder IC Set-Top Box Solutions Cable www.DataSheet4U.com The CX24430/1 and CX24432/3 cable modem sub-systems include a complete upstream/downstream physical layer, and an Ethernet MAC in addition to the cable modem MAC and host processor. The set-top box decoder functionality includes an MPEG-2 video decoder, digital audio decoder, three multi-standard transport streamdemultiplexers, an advanced 2D graphics processor, TV encoder, multi-plane compositing engine, a 256 QAM demodulator/FEC block and a high performance 32-bit ARM920 RISC processor with integrated peripheral I/O ports. This makes for an architecture that delivers a rich, high quality navigation/ user interface for advanced electronic program guides and other interactive TV applications. The dual CPU system architecture provides 500+ aggregate MIPS for hosting the operating system, interac.


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