SAA7133HL PCI Audio And Video Broadcast Decoder

2.1 Introduction The PCI Audio and Video broadcast decoder SAA7133HL is a highly integrated, low cost and solid foundation for TV capture in the PC, for Analog TV and digital Video broadcast (DTV and DVB). The various Multimedia data types are transported over the PCI-bus by bus-master-write, to optimum exploit the streaming capabilities of a modern host based system (see Fig.1). Legacy requirements are also taken care of. The SAA7133HL meets the requirements of PC Design Guides 98/99 and 2001 and is PCI 2.2 and Advanced Configuration and Power Interface (ACPI) compliant. The Analog Video is sampled by 9-bit ADCs decoded by a multi-line adaptive comb Filter and scaled horizontally, vertically and by field rate. Multiple Video output formats (YUV and RGB) are available, including packed and planar, gamma-compensated or black-stretched. Analog TV sound is digitized and stereo decoded (BTSC and EIAJ). Audio is streamed digitally via the PCI-bus or the I 2 S-bus or routed as an Analog signal via the loop back cable to the sound card. The SAA7133HL provides a versatile peripheral Interface to support system extensions, e.g. MPEG encoding for time shift viewing. The channel decoder for digital Video broadcast reception (ATSC or DVB) CAN re-use the integrated Video ADCs The Transport Stream (TS) or Program Stream (PS) is collected by a tailored Interface and pumped through the PCI-bus to the system memory in well-defined Buffer structures. Various internal events, or peripheral status information, CAN be enabled as an interrupt on the PCI-bus. 2.2 Related documents This document describes the functionality and characteristics of the SAA7133HL. Other documents related to the SAA7133HL are: User manual SAA7133HL describing the programmability Application note SAA7133HL pointing out recommendations for system implementation Data sheets of other devices referred to in this document, e.g: Tuners: FI1236 for NTSC (US) FI1286 for NTSC (Japan) combi-tuner derivatives for FM radio: FM12x6 SAA6752HS MPEG-2 Video and MPEG-audio/AC-3 Audio encoder with multiplexer.
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