ZR36057 Datasheet | Zoran Corporation

FEATURES T T T T T T T T Glueless interface to PCI bus (PCI spec. 2.1 pliant). Minimum interface to JPEG decoders (e.g. ZR36050 & ZR36016), MPEG1 decoders (e.g., ZR36110), video digitizers (e.g., SAA7110, SAA7111) and video encoders (e.g., SAA7188, MD207). Bi-directional DMA transfer of pressed data up to 11M bytes/sec. DMA transfer of video and overlay information. Support for fast still image pression and depression. Smooth image down-scaler (up to 5-tap horizontal filter). On-chip pixel accurate masking. YUV-to-RGB converter with quantization noise reduction by error diffusion. T T T T T T T T T Video output: 15- and 16-bit RGB pixel formats, as well as 24-bit (packed and unpacked), and YUV 4:2:2. Hardware support for non-contiguous JPEG code buffers. Graceful recovery from extreme bus latencies both on video and code transfers. Choice of emulated interlaced video display, or single field display, to eliminate motion artifacts. Hardware support for simple, cost effective frame grabbing. I2C bus master port. Plug & Play support. 208-pin PQFP package. Acpanying software includes Video For Windows (VFW) drivers for Windows 3.1 and Windows 95. APPLICATIONS High quality video and audio capture/playback and editing boards for PCI systems. Multimedia/Graphics subsystems using a secondary PCI bus. PCI motherboards with multimedia capability. JPEG/MPEG1 solutions for Power PC and Macintosh PCI systems. Video Decoder Video Encoder Audio Control Audio FIFO ZR36016 Strip Buffer 32k B SRAM Audio Codec Audio Core ZR36050 JPEG Core Graphics Sub-System PCI Bus Figure 1. Block Diagram of a Typical Motion JPEG System for PCI ZORAN Corporation T 2041 Mission College Blvd T Santa Clara, CA 95054 T (408) 986-1314 T FAX (408) 986-1240 August 1996 Enhanced PCI Bus Multimedia Controller Enhanced PCI Bus Multimedia Controller .. Features - - - - - - - . . 1 Applications - - ....