Data Sheet
RGB GRAPHICS PROCESSING
The ADV7403 provides 140 MSPS conversion rate support of
RGB input resolutions up to 1280 × 1024 at 75 Hz (SXGA) and
110 MSPS conversion rate for the ADV7403 BSTZ-110. It also
provides automatic or manual clamp and gain controls for
graphics modes.
The RGB graphics processing functionality features contrast
and brightness controls, automatic detection of synchronization
source and polarity by the SSPD block, standard identification
enabled by the STDI block, and arbitrary pixel sampling
support for nonstandard video sources.
Additional RGB graphics processing features of the ADV7403
include the following:
ADV7403
DIGITAL VIDEO INPUT PORT
The ADV7403 supports raw 8-/10-bit CVBS data from a digital
tuner and 24-bit RGB input data from a DVI receiver chip,
output converted to YCrCb 4:2:2. It also supports 24-bit 4:4:4,
16-/20-bit 4:2:2 525i, 625i, 525p, 625p, 1080i, 720p, VGA to
SXGA at 60 Hz input data from HDMI receiver chip, output
converted to 16-bit 4:2:2 YCrCb.
GENERAL FEATURES
The ADV7403 features HS, VS, and FIELD output signals with
programmable position, polarity, and width. It also includes a
programmable interrupt request output pin (INT), signals
SDP/CP status changes, and supports two I 2 C host port
interfaces (control and VBI).
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32-phase DLL support of optimum pixel clock sampling.
Color-space conversion of RGB to YCrCb and decimation
to a 4:2:2 format for videocentric back-end IC interfacing.
Data enable (DE) output signal supplied for direct
connection to the HDMI/DVI transmitter IC.
The ADV7403 offers low power consumption: 1.8 V digital
core, 3.3 V analog and digital input/output, low power power-
down mode, and green PC mode.
The ADV7403 BSTZ-110 operates over the industrial temperature
range (?40°C to +85°C) and is available in a 100-lead, 14 mm ×
14 mm, RoHS-compliant LQFP.
It is also available in a 140 MHz speed grade ( ADV7403 KST-140).
Rev. B | Page 13 of 20
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