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ADV7612
FUNCTIONAL OVERVIEW
Data Sheet
HDMI RECEIVER
The HDMI receiver supports all mandatory and many optional
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Hot Plug assert output pin for each HDMI port
CEC controller
3D formats, HDTV formats up to 1080p, and all display resolutions
up to UXGA (1600 × 1200 at 60 Hz).
With the inclusion of HDCP, displays can now receive encrypted
video content. The HDMI interface of the ADV7612 allows for
authentication of a video receiver, decryption of encoded data
at the receiver, and renewability of that authentication during
transmission, as specified by the HDCP 1.4 protocol.
The HDMI-compatible receiver on the ADV7612 allows program-
mable equalization of the HDMI data signals. This equalization
compensates for the high frequency losses inherent in HDMI and
DVI cabling, especially at longer lengths and higher frequencies.
It is capable of equalizing for cable lengths up to 30 meters to
achieve robust receiver performance.
The ADV7612 has a synchronization regeneration block used
to regenerate the DE based on the measurement of the video
format being displayed, and to filter the horizontal and vertical
synchronization signals to prevent glitches.
The HDMI receiver also supports TERC4 error detection, used for
detection of corrupted HDMI packets following a cable disconnect.
COMPONENT PROCESSOR
The ADV7612 has an any-to-any 3 × 3 CSC matrix. The CSC
block is placed at the back of the CP section. CSC enables
YPrPb-to-RGB and RGB-to-YCrCb conversions. Many other
standards of color space can be implemented using the color
space converter.
CP features include:
? 525i, 625i, 525p, 625p, 720p, 1080i, 1080p, and many other
HDTV formats are supported
? Manual adjustments including gain (contrast) and
offset (brightness), hue, and saturation
? Free run output mode that provides stable timing when no
video input is present
? 170 MHz conversion rate, which supports RGB input
resolutions up to 1600 × 1200 at 60 Hz
? Contrast, brightness, hue, and saturation controls
? Standard identification enabled by STDI block
? RGB that can be color space converted to YCrCb and
decimated to a 4:2:2 format for video-centric back end IC
The HDMI receiver offers advanced audio functionality. The
receiver contains an audio mute controller that can detect a
variety of conditions, which may result in audible extraneous
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interfacing
DE output signal supplied for direct connection to
HDMI/DVI transmitter
noise in the audio output. On detection of these conditions, the
audio signal can be ramped to prevent audio clicks or pops.
Audio output can be formatted to one of the following modes:
? LPCM and IEC 61937 S/PDIF
? DSD audio
? DST audio
? HBR audio
Xpressview fast switching can be implemented with full HDCP
authentication available on the background port. Synchro-
nization measurement and status information are available
for the background port.
HDMI receiver features include:
OTHER FEATURES
The ADV7612 has HS, VS, FIELD, and DE output signals with
programmable position, polarity, and width.
The ADV7612 has two programmable interrupt request output
pins, including INT1 and INT2 (INT2 is accessible only via one
of following pins: MCLK/INT2, SCLK/INT2, or HPA_A/INT2).
It also features a low power-down mode. The I 2 C address of the
main map is 0x98 after reset. This can be changed after reset
to 0x9A if pullup is attached to VS/FIELD/ALSB pin and I 2 C
command SAMPLE_ALSB is issued. Refer to the Register
Access and Serial Ports Description section in the UG-216.
The ADV7612 is provided in a 14 mm × 14 mm, RoHS-compliant
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2:1 multiplexed HDMI receiver
3D format support
225 MHz HDMI receiver
Integrated equalizer for cable lengths up to 30 meters
HDCP 1.4 also on background ports
Internal HDCP keys
36-/30-bit Deep Color support
PCM, HBR, DST, and DSD audio packet support
Repeater support
Internal EDID RAM
LQFP_EP package, and is specified over the ?40°C to +85°C
temperature range.
Rev. E | Page 12 of 20
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