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ZR36057

Features: ·Glueless interface to PCI bus (PCI spec. 2.1 compliant).·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 compressed data ...

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ZR36057: Features: ·Glueless interface to PCI bus (PCI spec. 2.1 compliant).·Minimum interface to JPEG decoders (e.g. ZR36050 & ZR36016), MPEG1 decoders (e.g., ZR36110), video digitizers (e.g., SAA7110,...

ZR36057 Data Sheet

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Part Number:
ZR36057
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Glueless interface to PCI bus (PCI spec. 2.1 compliant).
· 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 compressed data up to 11M bytes/sec.
· DMA transfer of video and overlay information.
· Support for fast still image compression and decompression.
· 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.
· 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.
· Accompanying software includes Video For Windows (VFW)
   drivers for Windows 3.1 and Windows 95.


Application

· 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 PowerPC and Macintosh PCI systems.


Specifications

Storage Temperature..............65 to +150
Supply Voltage (VDD) ............-0.5 V to +6.0 V
DC Output Voltage............ 0.5 V to VDD + 0.5
DC Input Voltage............. -0.5 V to VDD + 0.5
DC Output Current .........-100 mA to +100 mA
DC Input Current ...........-100 mA to +100 mA
Max Power Dissipation .......... 1.6W @ 33 MHz

NOTE: Stresses above these values may cause permanent device failure.
Functionality at or above those limits is not implied. Exposure to absolute
maximum ratings for extended periods may affect device reliability.


Description

The ZR36057 is a PCI adapter intended for multimedia applications on PCI systems. It supports high rate code (compressed data stream) transfer between the system memory and JPEG or MPEG processors. Simultaneously to the code transfer, the ZR36057 captures digital video, such as decompressed MJPEG (Motion JPEG), MPEG, or the output of a video digitizer/ decoder, and creates a scaled video window in the graphics display memory.

The ZR36057 provides the host software with full control over a large number of non-PCI multimedia devices such as: ZR36050, ZR36016 (Zoran Motion JPEG Codec chip set), audio codecs, ZR36100/ZR36110 (Zoran MPEG decoders), etc, as well as any number of I2C devices, such us video digitizers, video encoders, etc.

The ZR36057 interfaces directly to the PCI bus. As a bus master, it transfers data (e.g, MPEG or JPEG code) to or from the system memory, and writes digital video pixels to the graphics display memory. As a bus target, the ZR36057 reflects the host accesses onto a microcontroller-type 8-bit "Guest Bus".

The ZR36057 has a special "Still Transfer" port by means of which the host software writes (or reads) digitized video, as RGB pixels, from the system memory to (or from) the video bus. This path enables fast transfer of still images to be compressed (or decompressed) by the JPEG chip set.




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