Circuit Descriptions
EN 29TPS10.1L LA 7.
2013-Apr-26
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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
.
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