Philips 32PFL3507/56 - Video and Audio Processing - MT5301 B; HDMI Input Configuration

Circuit Descriptions
EN 33TPM8.31A LA 7.
2012-Jun-08
back to
div. table
7.6 HDMI
In this platform, the TMDS361B HDMI multiplexer is
implemented. It supports up to 3 HDMI ports to be switched to
a single SOC. In this chassis 2 HDMI ports are implemented.
Refer to figure 7-14 HDMI input configuration
for the
application.
Figure 7-14 HDMI input configuration
The TMDS361B has the following specifications:
• 3.3 V Power supply
• Designed for signal rates up to 3 Gbps
• Supports HDMI 1.3a specification
• Adaptive equalization on inputs to support up to 20 meter
HDMI cables at 2.25 Gbps for 1080p 12-bit colour depth
• TMDS input Clock-Detect circuit
• DDC repeater function
• <2-mW low power mode
•Local I
2
C or GPIO configurable, in this application the
default I
2
C addresses is: 0x58.
7.7 Video and Audio Processing - MT5301B
The MT5301B is the main audio and video processor (or
System-on-Chip) for this platform. It has the following features:
• Worldwide multi-standard analog TV demodulator
• A transport demultiplexer
• A muti-standard video decoder
• An AC3/MPEG2 Audio decoder
• HDMI1.3 receiver(Cover HDMI1.4 partial spec)
• Audio codec
•TCON
• Panel overdrive control
• Local diming.
The MediaTek MT5301B family is a backend decoder and a
TV controller and offers high integration for advanced
applications.It combines a transport de-multiplexer, a high
definition video decoder, an AC3 audio decoder, a dual-link
LVDS/mini-LVDS transmitter, and an NTSC/PAL/SECAM TV
decoder with a 3D comb filter (NTSC/PAL). The MT5301B
enables consumer electronics manufactures to build high
quality, low cost and feature-rich DTV. Supports FULL-HD
MPEG1/2/4/DiviX/VC1/RM/H.264/AVS video decoder
standards, and JPEG. The MT5301B also supports MediaTek
MDDi™ de-interlace solution can reach very smooth picture
quality for motions. A 3D comb filter added to the TV decoder
recovers great details for still pictures. The special color
processing technology provides natural, deep color and true
studio quality video.
For a functional diagram of the MT5301B, see Figure 8-1
.
19320_204_120601.eps
120604
HDMI 1
HDMI 2
HDMI 3
(optional)
MT5301B
TMDS
361B