Set-top Box Solutions Satellite HDTV MPEG-2/H.264/VC-1 Video Decoder CX24501 Conexant’s portfolio includes a comprehensive suite of semiconductor solutions for broadband communications and the digital home. Conexant’s CX24501 is a highly integrated, MPEG-2/H.264/VC-1, DIRECTV/DVB compliant, back-end decoder IC solution for high-definition digital TV which can be deployed in digital satellite, cable, Telco or terrestrial TV networks. The CX24501 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 667MHz 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 Distinguishing Features • DVB/DIRECTV® compliant back-end HDTV decoder for worldwide markets is also available for high performance applications. • High-performance ARM1176 CPU with 32K I/D cache providing 730+ DMIPS The CX24501 also features an impressive array of I/O features, including • Multiple OS support including Nucleus+, VxWorks, Linux® and Windows® CE HDMI with HDCP, dual USB 2.0 host controller with integrated PHYs, an • MPEG-2, H.264 and VC-1 video decoder additional USB1.1 solution, dual integrated 10/100 Ethernet MAC with MII, • Advanced audio decoder with multiple audio format support integrated V.92 hardware modem, PCI bus and HomePlug® connectivity via a high-speed UART. The CX24501 fully supports cable applications when used in conjunction with the CX24450-CX24453 DOCSIS 2.0+ STB Front End IC, supporting an OpenCable™ Cable CARDTM M-Card™ interface. The CX24501 is software compatible with the other single chip MPEG • 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 decoder products from Conexant including the CX24500 and CX2427x family. • High performance de-interlacer with 480i or 1080i to480p/720p conversion A single code base allows common software development to be applied • Dual USB2.0 to across all platforms minimizing development time and maximizing • OpenCable M-card support software reuse. Part Number CX24501 Description HDTV MPEG-2/H.264/VC-1 Video Decoder Set-top Box Solutions Satellite For a complete HDTV hardware design, the only additional The CX24501 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 low cost, architecture that supports multiple front end tuner/demodulator 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. CX24501 MPEG Decoder Buttons/LEDs GPIO TSIN0 Transport Stream Sources/ Sinks TSIN1 SC0 Smart Card Reader SC1 Smart Card Reader TSIN2 IR OUT IR Blaster IR IN IR RCU Detect PCI PCI RJ-45 MII 10/100 PHY MII MII Flash DDR2-SDRAM 64 32 HDMI Tx HDMI YPrPb YPrPb Y/C YC I/0 Bus CVBS CVBS S/PDIF S/PDIF SDRAM0 Audio Out DDR2-SDRAM 16 SDRAM1 optional Modem V.92 L+R Stereo USB0 USB2 USB1 USB2 USB2 USB1.1 M-Card M-Card CX20548 DAA CX24501 System Block Diagram RJ-11 Common Platform for Satellite, Cable, IP and Terrestrial STB QPSK, 8-PSK, DVB-S2, QAM, OFDM, 8-VSB, ADSL/VDSL, 802.3, manufacturers increasingly look to leverage a common hardware 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 including satellite, cable, terrestrial, DSL, and Telco networks. STB solution that can be targeted to a variety of broadband Conexant’s CX24501 IC can serve as a common back-end platform operators while minimizing hardware/software development costs. that easily interfaces to a variety of broadband front ends, including CX24501 Product Features • High-performance ARM1176 CPU with 32K I/D cache supplying 730+ Dhrystone 1.2 MIPS at 550MHz • Six 10-bit video DACs • Macrovision® 7.x copy protection with 525p/625p optional support • 667 MHz 32-bit DDR-2 memory interface with optional additional 16-bit DDR-2 interface for high performance applications • Advanced security features including secure boot SW authentication, IC personalization via OTP memory • DIRECTV/DVB transport stream demultiplexing • Secure video processor (SVP) support • Multi-standard transport processor with 3DES, AES and Multi-II descrambling • Integrated DIRECTV security • 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 • Multi-plane video/graphics display controller • HD displays supports HD 1080p, 1080i and 720p picture output with six-plane compositing • Supports constrained HDTV image output on YPrPb • Supports video plane re-sizing for format conversion, picture-in-picture, or picture-in-graphics • High-performance de-interlacing supports 480i to 480p/720p and 1080i to 480p/720p conversions • 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 • HDMI v1.3 transmitter with HDCP • Dual USB2.0 host controllers with integrated PHYs • Dual channel 10/100 Ethernet MAC with overclocked MIIs • Two Smart Card ports • 32-bit 33 MHz PCI controller • Multiple I2S, 12C, SPI, GPIO, UARTs • OpenCable™ CableCARD™ M-Card interface • Infrared (IR) input/output 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. 07-2609 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-201182