1. INTRODUCTION
17MB70-2 mainboard is based on Broadcom concept IC. This IC combines DVB-T COFDM
terrestrial and PAL/SECAM demodulators, HDMI receivers, a transport processor, a digital
audio processor, graphics processing, Ethernet MAC and PHY, digital processing of analog
video and audio, analog video digitizer and DAC functions, stereo high-fidelity audio DACs,
a 400-MHz dual-threaded MIP processor, and a peripheral control unit providing a variety of
television control functions. This IC also features an advanced video decoder capable of
supporting high-definition AVC, VC-1, and DVB-T MPEG-2 streams.
Main IC Features:
• Advanced multiformat decoder supporting the following:
- H.264/AVC Main and High Profile to Level 4.1 (HD), Level 3.1 (SD)
- HD/SD AVS Jizhun Profile Levels 2.0, 4.0, and 6.0
- VC-1 Advanced Profile @ Level 3, simple and main profiles
- HD/SD MPEG-2 Main Profile at Main and High levels
- MPEG still image decode
- HD DivX® 3.11/4.11/5.x/6x/Home Theater
• 3D/2D OpenGL® ES 1.0- compliant graphics core
• Integrated Video Processing:
- 3D Color management
- Digital, Analog, and Mosquito Noise Reduction
- 1080i motion adaptive deinterlacing with 3:2/2:2 pull-down
- True 10-bit video carried through system
• Dual HDMI 1.3a receivers
• Extensive audio support:
- AAC+ Level 2, AAC-HE
- Dolby® Digital, Dolby Digital Plus, Trusurround XT®
- MPEG I layers 1, 2, and 3 (MP3)
- Windows Media® and Windows Media Pro audio
- Audio DACs, input switch, and equalizer
• Ethernet MAC and PHY
• Integrated DVB-T COFDM terrestrial demodulator:
- Standards compliance: ETSI EN 300 744, Nordig Unified v1.0.3, DTG D-Book 5
compliant
- Excellent Doppler performance
- Active impulse noise suppression
• Integrated PAL/SECAM Demodulator
• PAL decoder with a 3D/2D comb
• Direct PC input support up to 1600 x 1200 UXGA
• Integrated dual-link LVDS transmitters
• Dual USB 2.0
• A 400-MHz 32-bit MIPS dual CPU with two 32-KB instruction caches
and a combined 64-KB data cache with 128-KB L2 cache
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