Circuit Descriptions
EN 29
TPS10.1L LA
7.
2013-Apr-26
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div. table
7.4.2
Front-End DTV part
The Front-End for DVB part consist of the following key
components:
•
TUNER LATAM TDST-H030F
•
SCALER MST6931XP-SW EPLQFP-128
Below find a block diagram of the front-end application for DVB
part.
Figure 7-5 Front-End DVB-T2 DTV block diagram
7.5
HDMI
Refer to figure
7-6 HDMI input configuration
for the application.
Figure 7-6 HDMI input configuration
The HDMI connector has the following specifications:
•
+5V detection mechanism
•
Stable clock detection mechanism
•
Integrated EDID
•
HPD control
•
Sync detection
•
TMDS output control
•
CEC control
7.6
Video and Audio Processing - MST6931XP
The MST6931XP is the main audio and video processor (or
System-on-Chip) for this platform. It has the following features:
•
Multi-standard digital video decoder (MPEG-2, H.264,
MPEG-4)
•
Integrated DVB-T/DVB-C/DVB-S channel decoder
•
Integrated motion accurate picture processing
•
High definition ME/MC
•
Extended colour gamut and colour booster
•
Integrated USB2.0 host controller
•
Multi-Standard TV Sound Processor
•
High Preformance Micro-processor
•
RealMedia Decoder
The MST6931XP combines front-end video processing
functions, such as NTSC/PAL/SECAM Video Decoder,
MPEG-2/H.264 decode, analog video decode and HDMI
reception, with advanced back-end video picture
improvements. It also includes next generation Motion
Accurate Picture Prscessing.High flat panel screen resolutions
and refresh rates are supported with formats including 1280 ×
720 @ 60Hz and 1920 × 1080 @ 60Hz. On top of that, optional
support is available for 2D dimming in combination with LED
backlights for optimum contrast and power savings up to 50%.
For a functional diagram of the MST6931XP, refer
to
Figure 8-3
.
IF
T
S
DATA
X
IF_AGC
RF_AGC
RF_AGC
M
S
T69
3
1
DTV Demod
IF_AGC
TD
S
T-H0
3
0F
I
2
C
I
2
C
19500_204_1
3
0416.ep
s
1
3
0416
19500_205_1
3
0416.ep
s
1
3
0416
M
S
T69
3
1
HDMI1
HDMI
S
IDE
CN501
CN50
3
TMD
S
DATA
TMD
S
DATA
I
2
C
I
2
C