Set-top Box Solutions Satellite HDTV MPEG-2/H.264/VC-1 Video Decoder with PVR Support CX24500 Conexant’s portfolio includes a comprehensive suite of semiconductor solutions for broadband communications and the digital home. Conexant’s CX24500 is a highly integrated, MPEG-2/H.264/VC-1, DIRECTV/ DVB® compliant, back-end decoder IC solution for high-definition digital TV systems with support for personal video recorder (PVR) applications, which can be deployed in digital satellite, cable, Telco or terrestrial TV networks. The CX24500 features a flexible multi format video decoder capable of decoding High Definition or Standard Definition programs in MPEG-2, H.264 and VC-1 formats. The audio decoder supports multiple audio format decoding, including MPEG-1, MPEG-2, Dolby® Digital, Dolby Digital+. MPEG-4 aac and aacPlus™, WMA and WMA Pro. An integrated ARM1176 CPU with 32K Instruction and Data cache supplies over 730 Dhrystone 1.2 MIPS at 550MHz, and a high performance 667 MHz 32-bit DDR-2 SDRAM memory controller gives ample processing power for advanced applications and future expansion capability. An additional 16-bit DDR-2 SDRAM controller is also available for high performance applications. Distinguishing Features • DVB/DIRECTV® compliant back-end HDTV decoder for worldwide markets PVR functionality is supported by a multi-stream transport processor, based • High-performance ARM1176 CPU with 32K I/D cache providing 730+ DMIPS on a dedicated RISC engine, supporting eight simultaneous transport streams • PVR support with dual eSATA-2 interfaces (four from baseband inputs and four from DMA interfaces). The transport • Integrated V.92 hardware modem processor unit also supports DVB, DES, AES or Multi-II descrambling and • Multiple OS support including Nucleus+, VxWorks, Linux® and Windows® CE contains hardware support for the NDS conditional access system. The • MPEG-2, H.264 and VC-1 video decoder CX24500 integrates two serial ATA2 controllers with support for internal and • Advanced audio decoder with multiple audio format support external HDD attachment with 3DES/AES ciphering engines for encryption of data to the HDD. The CX24500 also features an impressive array of I/O features, including HDMI v1.3 with HDCP, dual USB 2.0 host controller with integrated Phys, an additional USB1.1 solution, dual integrated 10/100 Ethernet MAC with MII, PCI bus and HomePlug® connectivity via a high-speed UART and an integrated V.92 hardware modem. The CX24500 fully supports cable applications when used in conjunction with the CX24450-CX24453 DOCSIS 2.0+ STB Front End IC, supporting an OpenCable™ Cable CARD™ M-Card™ interface. • Advanced security features including secure boot software authentication, IC personalization via OTP memory, SVP support and 3DES/AES ciphering engines • HDMI v1.3 transmitter with HDCP content protection • High performance de-interlacer with 480i or 1080i to480p/720p conversion • Dual USB2.0 • OpenCable M-card support Part Number CX24500 Description HDTV MPEG-2/H.264/VC-1 Video Decoder with PVR Support Set-top Box Solutions Satellite For a complete HDTV hardware design, the only additional The CX24500 IC is integrated into a fully engineered interactive components required are a tuner, demodulator, double data rate TV STB reference development system that implements third- (DDR-2) synchronous dynamic random access memory (SDRAM), party interactive middleware/real-time operating system (RTOS) and flash memory ICs. This level of integration enables a low-cost platforms and provides a complete set of STB low-level drivers. system bill of materials and allows the flexibility of supporting The STB development platform hardware is designed with a flexible different modulation and compression technologies with a architecture that supports multiple front end tuner/demodulator low-cost, highly featured MPEG solution for dual TV set-top box daughter boards. A mature and robust hardware abstraction layer (STB) applications. is assured by re-use of core driver libraries developed over multiple generations of production MPEG ICs. Support for Nucleus+ and Linux OS is included, with the software architected to allow easy porting to other real-time OS. Buttons/LEDs Smart Card Reader TDA80xx TS Inputs IR Blaster IR RCU Detect Ethernet PHY RJ-45 HDMI MII YPrPb Y/C MII CVBS HDTV CX24500 System IC SATA-2 HDD S/PDIF or eSATA-2 L+R Stereo SATA-2 HDD or eSATA-2 USB2 PCI USB2 USB1.1 Flash DDR2-SDRAM V.92 CX20548 DAA CX24500 HDTV SoC System Diagram RJ-11 Common Platform for Satellite, Cable, IP and Terrestrial STB including QPSK, 8-PSK, DVB-S2, QAM, OFDM, 8-VSB, ADSL/VDSL, manufacturers increasingly look to leverage a common hardware 802.3, 802.11a/b/g, Homeplug, MoCA® or IEEE 1394 through either platform that can be reused over various broadband networks, transport stream, MII or PCI interfaces. This provides a flexible STB including satellite, cable, terrestrial, DSL, and Telco networks. solution that can be targeted to a variety of broadband operators Conexant’s CX24500 IC can serve as a common back-end platform while minimizing hardware/software development costs. that easily interfaces to a variety of broadband front ends, CX24500 Product Features • High-performance ARM1176 CPU with 32K I/D cache supplying 730+ Dhrystone 1.2 MIPS at 550MHz • 667 MHz 32-bit DDR-2 memory interface with optional additional 16-bit DDR-2 interface for high performance applications • DIRECTV/DVB transport stream demultiplexing • Six 10-bit video DACs • Macrovision® 7.x copy protection with 525p/625p optional support • Advanced security features including secure boot SW authentication, IC personalization via OTP memory, and 3DES/AES ciphering engines • Multi-standard transport processor with 3DES, AES and Multi-II descrambling • Secure video processor (SVP) support • Transport stream processing capability supporting up to 3 records and 2 playback streams simultaneously • HDMI v1.3 transmitter with HDCP • Supports MPEG-2 MP@HL, MP@ML. MP@LL, SP@ML • Supports H.264 [email protected] and [email protected] • Supports VC-1 AP@L3 and MP@HL • Integrated DIRECTV security • Dual USB2.0 host controllers with integrated Phys • USB 1.1 controller and PHY • NDS XTV and RASP PVR support • Multi-plane video/graphics display controller • Dual serial ATA-2 interface for internal or external HDD attachment • HD displays supports HD 1080p, 1080i and 720p picture output with six-plane compositing • Dual channel 10/100 Ethernet MAC with overclocked MIIs • Supports constrained HDTV image output on YPrPb • Two Smart Card ports • Supports video plane re-sizing for format conversion, picture-in-picture, or picture-in-graphics • 32-bit 33 MHz PCI controller • High-performance de-interlacing supports 480i to 480p/720p and 1080i to 480p/720p conversions • OpenCable™ CableCARD™ M-Card interface • Multi-format audio decoder supporting decoding of MPEG-1, MPEG-2, Dolby Digital, Dolby Digital Plus, MPEG-2 AAC, MPEG-4 AAC, aacPlus, WMA and WMA Pro encoded bitstreams • Advanced 2D graphics rendering engine for alphablt, bitblt, textblt, line draw, and color expansion acceleration • Multiple I2S, 12C, SPI, GPIO, UARTs • Infrared (IR) input/output • Integrated V.92 modem Set-top Box Solutions Satellite Conexant Product Portfolio The company’s broad portfolio of semiconductor products also includes client-side DSL and cable modem solutions, home network processors, broadcast video encoders and decoders, digital set-top box components and systems solutions, and dial-up modems. In addition to its IEEE 802.11a/b/gcompliant WLAN chipsets, software, and reference designs, Conexant offers a suite of networking components that includes solutions for applications based on HomePlug® and HomePNA™. Additional products include a complete line of asymmetric and symmetric DSL central office solutions, which are used by service providers worldwide to deliver broadband data, voice, and video over copper telephone lines. © 2007, 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. 07-2608 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# PBR-201087