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EN 32
7.
TPN16.1HE LA
7.4.2
DTV T2 reception
The Front-End for DVT part consist of the following key
components:
•
TUNER EUROPE ST42CS-2-E
•
SCALER NT72666BG-DA/A Processor
•
DEMODULATOR NT78822 QFN-48
Below find a block diagram of the front-end application for DTV
part.
ST42CS-2-E
2
I
C
IF-AGC
IF_AGC
RF_AGC
Figure 7-6 Front-End DVB-T2 DTV block diagram
7.5
HDMI
Refer to figure
7-7 HDMI input configuration
RX
NT72666
TX
2
I
C
CN503
HDMI1
Figure 7-7 HDMI input configuration
The following HDMI connector can be used:
•
HDMI 1: HDMI input ( TV digital interface support
HDMI1.4/HDCP1.3) with digital audio/PC DVI input/ARC
•
HDMI 2: HDMI input ( TV digital interface support HDCP)
with digital audio/PC DVI input/ARC
•
HDMI 3: HDMI input ( TV digital interface support
HDMI1.4/HDCP1.3) with digital audio/PC DVI input/ARC
•
+5V detection mechanism
•
Stable clock detection mechanism
•
HPD control
•
Sync detectionl
•
TMDS output control
•
CEC control
•
ARC control
•
MHL control
7.6
Video and Audio Processing -
NT72666 is an smart TV system-on-chip which compliants with
variety ATV as NTSC, PAL and SECAM, and DTV standards
as ISDB-T, DVB-T/-C, ITU-T J.83B, 8VSB integrates DTV and
2016-Aug-19
Circuit Descriptions
I
2
C
IF
DECODER
NT78822
TS DATA
2
I
NT72666
20140_205.eps
for the application.
I
2
C
TX
RX
TX
I
2
C
CN501
RX
HDMI3
CN502
HDMI2
20140_206.eps
NT72666BG-DA/A
multi-media AV decoder, SIF demodulator, and support A/V
post-processing. The integrated video ADC and video decoder
support PC VGA port, YPbPr, SCART, CVBS and S-Video
Input. The video decoder supports universal TV video format.
The integrated audio ADC supports stereo audio input
corresponding to video input sources. The integrated TV sound
decoder supports universal TV sound format. The advanced
picture quality and color engine create more vivid image
impression than ever. The HDMI receiver v1.4a, supports deep
color,CEC features. The USB high speed host supports
updating firmware code, multi-media playback from the
external USB flash devices. The standby controller can operate
sololy from the main system, powered by the standby power
source from power module, consumes as low current as
possible. It meets the requirement of Green appliance.It has
the following features:
•
CPU
•
External DRAM Interface
•
Stand-by Controller
•
Internal High-Speed ADC
•
Analog Video Decoder
•
SIF Decoder
C
•
Digital VIF Demodulator
•
ISDB-T Demodulator
•
DVB-T Demodulator
•
DVB-C Demodulator
•
ATSC Demodulator
•
J.83B Demodulator
•
Digital Video Decoder
•
Digital Video Encoder
•
Condition Access
•
Copy Protection Engine
•
De-Interlacing
•
Visual Effect Processor
•
Display Processor
•
3D-Graphic Engine
•
2D-Graphic Engine
•
OSD
•
Audio CODEC
•
Audio Processor
•
TV encoder with built-in video DAC
•
Ethernet MAC
•
USB host/device controller with built in
•
transceiver
•
HDMI receiver
•
MHL receiver 2.0
•
Flash controller
•
Gunzip Decompression engine
•
LED backlight
•
Miscellaneous
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