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SAA8110G
Information as of 2000-08-28
SAA8110G; Digital Signal Processor (DSP) for cameras
The SAA8110G is designed for desktop video applications (teleconferencing, video grabbing), surveillance and video-phone systems.
The SAA8110G may be applied together with an analog front-end (TDA8786 including CDS/AGC/ADC), a timing generator and a
microcontroller . Other configurations are also possible. The CCD-sensor can be of PAL, NTSC or CIF type (with complementary mosaic
colour filter). The maximum number of active pixels is limited to 800 samples/line. The 10-bits digital input may have a pixel frequency of up
to 14.318 MHz.
The SAA8110G output data is available in a digital and an analog output format. Two digital output formats are selectable: DTV2 (CCIR-
601 at the input pixel frequency) and D1 (CCIR-656 at twice the input pixel frequency). It is also possible to generate the CIF and QCIF
formats as subsets from the processed CCD-image. The analog output is available in one of four formats: RGB, YUV, YC or CVBS. The
SAA8110G includes a digital PAL/NTSC-encoder and 3 DACs for this purpose.
Two types of serial interface are selectable: a fast 400 kHz I2C-bus interface or a 80C51 UART interface (with bit rates from 1 Mbit/s up to
3.75 Mbit/s depending on the system clock used). The power dissipation of the SAA8110G can be optimized for each application using the
built-in power management function.
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High precision digital processing with 9 or 10 bit input
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Different types of CCDs (PAL, NTSC and CIF) (progressive, interlaced and non-interlaced)
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Black offset preprocessing (including optical black offset control)
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RGB-separation (with contour and white clip signals generation)
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RGB-processing (colour space matrix, black control, knee and gamma)
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RGB-to-YUV conversion (including down-sampling filters)
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