Set-top Box Solutions Satellite Dual Digital Broadcast MPEG-2 Standard Definition TV Decoder with PVR Support CX2416x Conexant’s portfolio includes a comprehensive suite of semiconductor solutions for broadband communications and the digital home. Conexant’s dual MPEG-2 Standard Definition Television (SDTV) decoder IC features all the major subsystems required to implement the core system and decoder electronics of dual-TV digital set-top box (STB) for satellite, cable, or terrestrial TV networks. The CX2416x family offers dual MPEG-2 MP@ML video decoders, 32-bit RISC CPU, 2D graphics accelerator, dual video graphics display controllers, dual TV encoders, and a set of peripheral I/O ports for STB front and back panel connectors. The multi-format audio decoder supports MPEG-1, MPEG-2, and Dolby® Digital (AC-3). Certain members of the device family also feature an integrated NTSC channel 3/4 RF modulator and BTSC stereo encoder for distribution of composite video and full MTS stereo sound to a remote room in the house. Personal video recorder (PVR) functionality is supported by three dual-stream Distinguishing Features transport processors (up to 8 baseband transport stream (TS) interfaces), fully integrated parallel- and serial-advanced technology attachment (ATA) • Dual MPEG-2/DVB/DIRECTV ® compliant SDTV decoder for worldwide markets interfaces for hard disk drive (HDD) connectivity, and 3DES/AES ciphering • XTV™ PVR with serial ATA interface engines for encryption of data to the HDD. This functionality enables consumers to simultaneously watch and record separate programs, or record a program while watching one previously recorded. NDS XTV™ and RASP™ PVR technologies are integrated in the IC. The CX2416x also features an impressive array of I/O features, including dual USB2.0 host controllers, PCI bus interface, and HomePlug® connectivity • High-performance 32-bit ARM920 CPU with Linux and Windows® CE-compatible MMU • Integrated NTSC channel 3/4 RF modulator and BTSC stereo encoder • Advanced security features, including secure boot software authentication, IC personalization via OTP memory, and 3DES/AES ciphering engines via a high-speed UART. • Dual multiplane video/graphics compositing and display engine For a complete four tuner, dual TV PVR system design, the only additional • Three dual-stream transport processors with DVB, DES, AES, and Multi-II descrambling components required are tuners, demodulators, modem codec, audio DACs, DDR SDRAM, and flash memory ICs. This high level of integration enables a low-cost system bill of materials and allows the flexibility of supporting different modulation and compression technologies with a low-cost, highperformance STB back end solution. Combining the CX2416x with the Conexant CX24128 dual stream satellite tuner and CX24130 dual QPSK • Two integrated TV encoders with seven analog video DAC outputs • High-performance 16/32-bit DDR-SDRAM memory controller • Supports four simultaneous tuner inputs for dualtuner PVR on two separate TVs demodulator provides a cost-effective satellite STB system solution for highperformance, multi-tuner, dual-TV PVR services. Part Number CX2416x Description Dual Digital Broadcast MPEG-2 Standard Definition TV Decoder with PVR Support Set-top Box Solutions Satellite CX2416x Product Features • High-performance 32-bit ARM920 CPU with Linux/WinCE compatible MMU • Integrated NTSC channel 3/4 RF modulator and BTSC stereo encoder • High-performance 16/32-bit DDR-SDRAM memory controller • NDS XTV and RASP PVR support • 3DES and 128 bit AES ciphering for up to three transport streams simultaneously • Dual MPEG-2 MP@ML video decoders • Multi-format audio decoders supporting MPEG-1, MPEG-2, and Dolby Digital (AC-3) • Parallel- and serial-ATA interfaces for HDD attach • Three multi-standard dual-stream transport processors with DVB, DES, AES, and Multi-II descrambling • Dual USB2.0 host controllers • 32-bit, 33 MHz PCI controller • MPEG picture and still-plane upscaling and downscaling • Advanced security features, including secure boot software authentication and IC personalization via OTP memory • Dual multiplane video/graphics image compositing with color key or 256-level alpha blending • NDS VideoGuard® conditional access hardware support • Advanced 2D graphics rendering engine for alphablt, bitblt, textblt, line draw, and color expansion acceleration • High-speed UART with HomePlug support • Video-picture-in-graphics with flexible picture size and aspect ratio • Flicker filtering, aspect ratio conversion, and hardware cursor • Integrated DIRECTV® security • Three Smart Card ports • CCIR656 digital video input and output ports • I2S input and output ports • OpenCable CableCard™ interface • 4/8/16-bit ARGB/A YCrCb graphics • DVB-CI support • Dual NTSC/PAL/SECAM TV encoders with seven 10-bit video DACs • Two UHF remote inputs • Infrared (IR) input/output • Macrovision® 7.X copy protection © 2005, 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. 05-1813 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# 102504B Set-top Box Solutions Satellite The ARM920 CPU in the CX2416x provides up to 250 Dhrystone Advanced Security Features 2.1 MIPS and enables broadcasters to adopt complex, feature- The CX2416x incorporates advanced security technologies that rich middleware platforms, such as OpenTV ®, multimedia home greatly enhances the ability of broadcasters to protect their service platform (MHP), and MediaHighway™. The advanced CPU platform against piracy. Using an advanced on-chip one-time-programmable allows STB manufacturers to offer improvements such as faster (OTP) memory technology, Conexant offers broadcasters the ability interactive applications loading, electronic program guide (EPG) to personalize individual STBs via the system IC with unique serial scrolling performance, and scalability to Linux -based software numbers and encryption keys. This allows broadcasters to secure platforms via memory management unit (MMU) hardware transactions between the STB Smart Cards and the MPEG-2 support. A telco return channel can be supported via data access decoders. The CX2416x also includes embedded cryptographic arrangement (DAA) interface to a V.22-V.92 hardware or software technology to allow secure authentication of the STB system modem, or via PCI interface to a digital subscriber line (DSL), software that is loaded into flash memory. Ethernet, or wireless broadband modem. Full-Featured Development Platform ® 16/32 LNB CX24128 8PSK/QPSK Dual-tuner LNB CX24130 DVB-S Dual-demod DDR Flash NVRAM LNB CX24128 8PSK/QPSK Dual-tuner LNB IR Detect CX24130 DVB-S Dual-demod S-video YPrPb CVBS Smart Card TDA8024 Stereo DAC L/R Phono S/PDIF CX2416x Dual MPEG2 Decoder Front Panel UHF CVBS RJ11 } } Ch. 3/4 RF Out (MTS Stereo) CX20493 Si-DAA [V.92] Hard Disk SATA CX2416x System Diagram Stereo DAC L/R Phono CX20552 USB 2 Phy. USB CX20552 USB 2 Phy. USB The CX2416x IC family is integrated into a fully engineered network processors, broadcast video encoders and decoders, interactive TV STB reference development system that implements digital STB components and systems solutions, and dial-up third-party interactive middleware/real-time operating system (RTOS) modems. In addition to its IEEE 802.11a/b/g-compliant wireless software and provides a complete set of STB low-level drivers local area network (WLAN) chipsets, software, and reference based on the Nucleus+, VxWorks and Linux operating systems. designs, Conexant offers a suite of networking components A mature and robust hardware abstraction layer is assured by that includes solutions for applications based on HomePlug reuse of core driver libraries developed over three generations of and HomePNA™. Additional products include a complete line production MPEG ICs. The STB development platform hardware of asymmetric and symmetric DSL central office solutions, is designed with a flexible architecture that supports multiple front- which are used by service providers worldwide to deliver end tuner/demodulator NIMS. broadband data, voice, and video over copper telephone lines. Common Platform for Satellite, Cable, and Terrestrial STB manufacturers increasingly look to leverage a common hardware platform that can be reused over various broadband networks, including satellite, cable, terrestrial, DSL, and Ethernet Internet protocol (IP) networks. Conexant’s CX2416x IC can serve as a common back-end platform that easily interfaces to a variety CX2416x Part Number Guide The CX2416x IC family includes four base part numbers defined of broadband front-ends, including QPSK, QAM, OFDM, VSB, ADSL/VDSL, 802.3, 802.11a/b/g, or IEEE 1394 through either TS by the functionality differences shown in Table 1. or PCI interface. This provides a flexible STB solution that can be targeted to a variety of broadband operators while minimizing Table 1 - CX2416x Base Part Numbers hardware/software development costs. Part Number The CX2416x is also fully compatible with the CX2418x PVR Support BTSC Encoder CX24160 co-processor to provide bandwidth-efficient MPEG-4 AVC/ CX24161 H.264-compliant advanced-compression bitstream decoding. The company’s broad portfolio of semiconductor products also X CX24162 X CX24163 X includes client-side DSL and cable modem solutions, home The CX2416x includes optional license-based features optional as designated by the dash numbers in Table 2. Table 2 - CX2416x Dash Number Options CX24160/1/2/3-mn Dash Number: Macrovision -0n -1n -2n 4 Dolby Digital -3n 4 4 m = optional feature combinations (0 thru 3) n = die revision (e.g. n=1 for die rev A, 2 for die rev B etc.) 4 X