Circuit Descriptions
7.
7.4
Front-End Analogue ATV reception
7.4.1
Front-End Analogue Part
The Front-End for the analogue tuner consist of the following
key components:
•
SCALER MST6852LP-V5 EPLQFP-156
•
Silicon Tuner MxL661-AG-R
Below find a block diagram of the front-end application for
analogue part.
Figure 7-4 Front-End analogue block diagram
7.5
HDMI
Refer to figures
.
Figure 7-5 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
7.6
Video and Audio Processing - MST6852LP
The MST6852LP is the main audio and video processor (or
System-on-Chip) for this platform. It has the following features:
•
Multi-Standard A/V Format Decoder
•
The MStarACE6UC Video Processor
•
Home Theater Sound Processor
•
Embedded Memory for optimized BOM cost
•
Multiple HDMI 1.4 Compliant Ports with ARC Support
•
One MHL 2.0 Compliant Port
The MST6852LP 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. MST6852LP is a highly
integrated TV SoC solution for analog television platform.
MST6852LP supports the latest MHL technology, which allows
user to stream audio and full HD video from mobile devices to
televisions.
I
2
C
I
2
C
IF_AGC
IF
IF_AGC
SAWless with ATV mode
19910_203.eps
MxL661-AG-R
MST6852LP
19910_204.eps
MST6852LP
ARX
CRX
BRX
CN506
HDMI 1
CN507
HDMI 2
CN508
HDMI 3