Data Sheet
The CP contains circuitry to enable the detection of Macrovision
encoded YPrPb signals for 525i, 625i, 525p, and 625p. It is
designed to be fully robust to these types of signals.
CP features include
? 525i, 625i, 525p, 625p, 720p, 1080i, 1080p, and many other
HDTV formats supported
? Automatic adjustments including gain (contrast) and
offset (brightness); manual adjustment controls also
supported
? Support for analog component YPrPb and RGB video
formats with embedded synchronization or with separate
HS, VS, or CS
? Any-to-any, 3 × 3 color space conversion matrix that
supports YCrCb-to-RGB and RGB-to-YCrCb, fully
programmable or preprogrammable configurations
ADV7800
? Contrast, brightness, hue, and saturation controls
? 32-phase DLL that allows optimum pixel clock sampling
? Automatic detection of synchronization source and
polarity by SSPD block
? Standard identification enabled by STDI block
? RGB that can be color space converted to YCrCb and
decimated to a 4:2:2 format for videocentric back-end IC
interfacing
? DE output signal that is supplied for direct connection to
HDMI/DVI Tx IC
? Arbitrary pixel sampling support for nonstandard video
sources
ADDITIONAL FEATURES
The ADV7800 also includes
?
?
?
?
?
?
Synchronization source polarity detector (SSPD) that
determines the source and polarity of the synchronization
signals that accompany the input video
Macrovision copy protection detection on component
formats (525i, 625i, 525p, and 625p)
Free run output mode that provides stable timing when no
video input is present
Arbitrary pixel sampling support for nonstandard
video sources
150 MHz conversion rate, which supports RGB input
resolutions up to 1280 × 1024 at 75 Hz
Automatic or manual clamp-and-gain controls for
graphics modes
? HS, VS, FIELD, and DE output signals with programmable
position, polarity, and width
? Programmable interrupt request output pin (INT)that
signals SDP/CP status changes
? Two I 2 C host port interface (control and VBI) support
? Integrated programmable antialiasing filters
? 176-lead, 26 mm × 26 mm, RoHS-compliant LQFP
For more detailed product information about the ADV7800,
email video.products@analog.com or contact a local Analog
Devices sales representative.
Rev. C | Page 15 of 28
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