Circuit Descriptions
7.
Below find a block diagram of the front-end application for
DTMB part.
Figure 7-7 Front-End DTMB DTV block diagram
7.5
HDMI
Refer to figure
for the application.
Figure 7-8 HDMI input configuration
The following HDMI connector can be used:
•
HDMI 1: HDMI input ( TV digital interface support HDCP)
with digital audio/PC DVI input/ARC
•
HDMI 2: HDMI input ( TV digital interface support HDCP)
with digital audio/PC DVI input
•
HDMI 3: HDMI input ( TV digital interface support HDCP)
with digital audio/PC DVI input
•
+5V detection mechanism
•
Stable clock detection mechanism
•
HPD control
•
Sync detection
•
TMDS output control
•
CEC control
7.6
Video and Audio Processing - MSD8120PBM
The MSD8120PBM 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, MPEG-4)
•
Digital and Analog TV Front-End Demodulator
•
The MStarACE-6 Video Processor
•
Embedded Memory for optimized BOM cost
•
Home Theater Sound Processor
•
High Performance Micro-processor
•
Transport-Stream Input for Extended DTV System
•
one MHL 2.0 compliant port
•
Multiple HDMI 1.4 compliant ports with ARC support
The The MSD8120PBM 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 Processing High flat panel screen resolutions
and refresh rates are supported with formats including 1280 ×
720@ 60Hz and 1920 × 1080 @60Hz.The MSD8120PBM is a
highly integrated TV SoC solution for DVB-T/ISDB-T digital
television Platform. MSD8120PBM also supports an ultra low
Power standby mode to meet the latest energy legislative
requirements without additional hardware.
For a functional diagram of the MSD8120PBM, refer
to
.
IF
T
S
DA
T
A
RF_AGC
DEMODULATOR
MSB1238 LQFP-48
SCALER
MSD8120PBM-V5 EPLQFP-156
IF_AGC
MxL661-AG-R
I
2
C
IF-AGC
I
2
C
I
2
C
Silicon Tuner
20190_205.eps
20190_207.eps
MSD8120PBM-V5
HDMI1
HDMI 2
CN506
CN508
RX
RX
I
2
C
HDMI1
CN507
RX
I
2
C
I
2
C