DALSA/CORECO PCVisionplus Product Description:

PCVisionplus®is Coreco Imaging’s high-performance analog frame grabber. It digitizes monochrome analog video to 8 or 12 bits, at sample frequencies up to 53* MHz. The PCVisionplus supports standard, progressive scan and non-standard (variable scan) cameras. The high data transfer rate of the PCI-bus eliminates the need for on-board processing or display circuitry, so image display and processing is handled by the host computer resources. The linear format image memory allows acquisition of a variety of image sizes. The image memory behaves as a temporary buffer between the camera interface and the host PCI-bus system. The PCVisionplus incorporates a hardware “scatter gather” table for highly efficient, fully automated image transfers from the image memory. This frees the host CPU to perform processing during bus master transfers rather than controlling the transfer operation. In addition to the hardware scatter gather function, the bus master controller has multiple frame ping-pong source and destination capabilities that allow the application to program the PCVisionplus to establish the needed amount of processing time.

Benefits

• 133MB/s bus master bandwidth eliminates the need for on-board processing
• 53* MHz digitization rate supports standard, progressive scan or partial-scan cameras
• 12-bit ADC maximizes gray-scale resolution
• Supports all asynchronous and synchronous trigger modes for maximum capture flexibility

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DALSA/CORECO PCVisionplus Technical Information

• Video Inputs:
  Standard RS-170 or CCIR (monochrome)
  Progressive scan and non-standard (variable scan) up to 53 MHz (VCR and VTR not supported)
  Two AC-coupled differential video inputs
  Programmable 12-bit 53 MHz ADC Timing Inputs
  Composite analog sync on video from CAM0 or CAM1
  Programmable Sync Stripper line rate: 15 KHz to 66.5 KHz supports non-standard line rates in PLL mode
• Trigger Inputs:
  Two Opto-isolator Trigger Inputs: HP HPCL-0631 dual-channel isolator
  Two TTL Inputs, with Schmitt filters
  Two differential input, RS-422 and RS-423 compatible
• Timing Outputs:
  Strobe
  Frame Reset
  Programmable Timing Generator (PTG) - up to 2K x 2K (2048 x 2048)
• Variable Scan Inputs:
  Area scan cameras up to 4K pixels x 4K lines
  Variable Scan inputs LEN, FEN, CLK
  CLK, Pixel Clock Input: single-ended TTL, programmable polarity, Frequency 10 KHz to 53* MHz
  LEN, Line Enable Input: single-ended TTL, programmable polarity.
  FEN, Frame Enable Input: single-ended TTL, programmable polarity
• Image Memory:
  4MB linear mapped SGRAM
  Programmable “valid video window” timing - 1 to 4K pixels per line, 1 to 4K lines per frame
• Output Scatter Gather Table:
  “DMA Table” performs “destination scatter gather” for bus master transfer from image memory to PCI-bus host
• Host Access:
  Registers, LUT and Image Memory are mapped into PCI-bus 32-bit memory address space
• Transfer Rates:
  Up to 133MB/s theoretical limit of PCI-bus
• Parallel I/O Ports:
  One parallel port: 8-bit TTL input, 8-bit TTL/CMOS output
• Bus Requirements:
  Board Size - PCI-bus short card: 6.88 by 4.205 inches, 17.73 by 10.65 mm
  Operating Temperature - 10-60 degrees Celsius.
  Relative Humidity - 0-90% non-condensing
  Power Requirements (typical) - 1 Ampere at +5 Volts, 5 Volt to 3.3 Volt conversion performed on the PCVisionplus board

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