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SAA7146AHZ

Features: • Full size, full speed video delivery to and from the frame buffer or virtual system memory enables various processing possibilities for any external PCI device• Full bandwidth PCI-bus master write and read (up to 132Mbytes/s)• Virtual memory support (4Mbytes per DMA ...

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SeekIC No. : 004484006 Detail

SAA7146AHZ: Features: • Full size, full speed video delivery to and from the frame buffer or virtual system memory enables various processing possibilities for any external PCI device• Full bandwid...

SAA7146AHZ Data Sheet

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Part Number:
SAA7146AHZ
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/23

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Product Details

Description



Features:

•   Full size, full speed video delivery to and from the frame
     buffer or virtual system memory enables various
     processing possibilities for any external PCI device
•   Full bandwidth PCI-bus master write and read (up to 132Mbytes/s)
•   Virtual memory support (4Mbytes per DMA channel)
•   Processing of maximum 4095active samples per line
     and maximum 4095lines per frame
•   Vanity picture (mirror) for video phone and video conferencing applications
•   Video flip (upside down picture)
•   Colour space conversion with gamma correction for different kinds of displays
•   Chroma Key generation and utilization
•   Pixel dithering for low resolution video output formats
•   Brightness, contrast and saturation control
•   Video and Vertical Blanking Interval (VBI) synchronized programming of internal registers with
     Register Programming Sequencer (RPS), ability to control two asynchronous data streams simultaneously
•   Memory Management Unit (MMU) supports virtual
     demand paging memory management (Windows, Unix,etc.)
•   Rectangular clipping of frame buffer areas minimizes
     PCI-bus load
•   Random shape mask clipping protects selectable areas of frame buffer
•   3*128 Dword video FIFO with overflow detection and'graceful' recovery.  


Pinout

Connection Diagram


Description

The SAA7146A, Multimedia PCI-bridge, is a highly integrated circuit for DeskTop Video (DTV) applications. The SAA7146A provides a number of interface ports that enable a wide variety of video and audio ICs to be connected to the PCI-bus thus supporting a number of video applications in a PC. One example of the application capabilities is shown in Fig.49. Figure1 shows the various interface ports and the main internal function blocks.




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