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| CS92210 PRODUCT BULLETIN MPEG-2 VIDEO Encoder/Decoder CS92210 Features Single chip MPEG-2 Video CODEC Supports real time MPEG-1 encoding and decoding Supports real time MPEG-2 MP@ML, SP@ML, and MP@LL encoding and decoding Support for constant and one-pass variable bit rate IPB-pictures, CBR or VBR to 15 Mbps I-pictures only to 30 Mbps Proprietary high performance motion estimation Low external memory 8 Mbytes for full D1 (720) NTSC/PAL pictures Provides complete video encoding and decoding (half-duplex) when combined with system function and supporting commodity devices Direct interface to video modulator & demodulator Supports multiple resolutions & scan rates NTSC: (720-D1, 704-D1, 640-VGA, 544, 4802/3D1, 352-1/2D1) x 480, or 352 x 240 (CIF), 320 x 240 (MPEG-1) or 176 x 112 (QCIF) at 30 or 29.97 Hz PAL: (720-D1, 704-D1, 640-VGA, 544, 4802/3D1, 352-1/2D1) x 576, or 352 x 288 (CIS/SIF), or 176 x 144 (QCIF) at 25 Hz Intel/Motorola 16-bit host interface 5 V I/O tolerance, 3.3 V and 1.8 V power supplies 0.65 watts @ 87.75 MHz average power consumption 256-pin PQFP package Video I/O Video Engine Unit (VEU) Microcontroller RiSC Unit (MCU) SYSCLK PLL Pre-process Unit (PPU) Refinement & Decision Unit (RDU) DBUS DRAM Control Unit (DCU) 8 MB SDRAM Bitstream/Generic 8-Bit Interface Bitstream/ Intel/Motorola 16-Bit Host Interface Post-process Video Stream Motion Est. Host I/F Unit Unit (VSU) Unit (MEU) (HIU) Unit (POU) The CS92210 is a real time MPEG-2 video encoder and decoder (CODEC) that fully complies with the ISO/IEC-13818 Main Profile@Main Level (MP@ML) format, Simple Profile@ Main Level (SP@ML), and Main Profile @ Low Level (MP@LL). In encode mode, the CS92210 accepts digital video in ITU-R BT.601 (CCIR-601) or ITU-R BT.656 (CCIR-656) format. The input is filtered and then encoded to produce compressed bitstreams in MPEG-2 MP@ML syntax. In decode mode, CS92210 accepts an MPEG bitstream, decodes it, and then filters the video output to produce either ITU-R BT.601 or ITU-R BT.656 format digital video. Designed for flexibility, the CS92210's video interface supports multiple video formats, resolutions, and frame rates including NTSC, PAL, and FILM. The CS92210's versatile time-stamp feature enables flexible muxing of audio and video elementary bit streams. Also, the CS92210 can encode and decode bitstreams in both the VCD and SVCD formats. The algorithmic and architectural innovations of the CS92210 enable a high degree of integration while still providing exceptional video quality over the widest range of bit rates. Also, the CS92210 provides ease of system design by interfacing to a wide variety of commodity components such as Philips video decoders and encoders, Flash and SDRAM memories. For more information, visit us at www.cirrus.com CS92210 Technical Overview The CS92210 is organized as a process pipeline that implements the MPEG-2 encoding and decoding algorithms. The CS92210 provides application program control over a large number of encoding parameters such as I, P, B-picture cadence, GOP structure and decoder buffer sizes. For communications applications, the CS92210 can match its output bit rate to the channel rate. This feature allows the host controller to make bit rate changes as needed to demonstrate better bandwidth utilization across multiple channels. Internal rate control provides a high degree of flexibility in relation to the output bit rate, including the ability to generate variable bitrate compressed video stream in one pass. This makes it suitable for storage sensitive applications such as digital camcorders and personal video recorders (PVRs). The CS92210 also has features geared toward MPEG-2 publishing and authoring systems. Pre- and post-processing supports includes pre- and post-filtering and up and down chroma conversions. Other features include: DMA in either 8-b or 16-b modes Encodes/decodes full D1 to QCIF video resolutions Bit rates up to 15 Mb/s in either CBR or VBR modes Debugging and DMA monitoring control Asynchronous video and system clocks Support for commodity video NTSC/PAL encoders and decoders VCD, Super-VCD Support The CS92210 supports MPEG-1 and MPEG-2 video encoding at 1/2 (VCD), 2/3 (SVCD), and full D1 resolutions. In addition, the CS92210's versatile pre-processing features allow the input video to be either scaled or cropped to the desired encode size. Interfaces The CS92210 includes a 64-bit SDRAM memory interface, a video interface, 16-bit Motorola/Intel host interface, a generic 8-bit interface, and a serial EPROM /Flash memory interface. Applications The CS92210 can be used in a variety of applications: VCD, Super-VCD player and recorder DVD-recordable products Advanced set-top boxes Personal video recorder (time shifting) PC-based content creation/editing boards USB-based products for video capture and display Cirrus Logic, Inc. Corporate Headquarters 4210 S. Industrial Drive Austin, TX 78744 USA T (512) 445-7222 T (800) 888-5016 F (512) 912-3977 www.cirrus.com WORLDWIDE DISTRIBUTION United States: Insight Electronics 9980 Huennekens San Diego, California 92121 T (800) 677-6011 F (858) 450-8550 www.insight-electronics.com Nu Horizons 70 Maxess Road Melville, New York 11747 T (631) 396-5000 F (631) 396-5060 www.nuhorizons.com Asia, Europe, and Japan: Please access our website, www.cirrus.com, for your nearest local distributor. WORLDWIDE SALES Regional Offices: United States Cirrus Logic, Inc. 46831 Lakeview Blvd Fremont, California 94538 T (510) 623-8300 F (510) 252-6020 Japan Cirrus Logic K.K. Aioi Sonpo, bldg 6F 5-6 Niban-cho, Chiyoda-ku Tokyo, Japan T 81-3-5226-7390 F 81-3-5226-7677 Asia Cirrus Logic Intl. Ltd. 20F., Ocean Building 80 Shanghai Street Kowloon, Hong Kong, China T 852-2376-0801 T 852-2314-9920 F 852-2375-1202 Europe Cirrus Logic UK 4-5 Anglers Court 33-44 Spittal Street Marlow, Bucks SL71DB England T 44-0-1628-472-211 F 44-0-1628-486-114 For more information, visit us at www.cirrus.com (c) 2001, Cirrus Logic, Inc. All rights reserved. Cirrus, Cirrus Logic, Crystal and Maverick are registered trademarks of Cirrus Logic, Inc. 0023-0102-PB |
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