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TSB43DB42 Scheda tecnica(PDF) 3 Page - Texas Instruments |
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TSB43DB42 Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 12 page www.ti.com APPLICATION INFORMATION HDTV Application TSB43DA42 M6 Ex-CPUorPCII/F AsyncRXFIFO MPEG2DemuxandDecode MPEG2 Transport Stream SDRAM CPU PCIor68KBus Graphics Controller Video NTSC/PAL Encoder Display AudioDAC (2chnl audio) Speaker Digital AudioOutput 61937 1394 Bus M6 TSB43DA42, TSB43DB42 SLLS560 – FEBRUARY 2007 Figure 1. TSB43DA42 in HDTV Application In the HDTV application, the TSB43DA42 receives the MPEG2 transport stream, decrypts it using the M6 cipher, and outputs it to the application over the HSDI port. The MPEG2 demux and decode device separates the audio and video streams, decodes them, and outputs the 2-channel audio to an audio DAC for listening and video to an NTSC/PAL encoder for display. The HDTV receives on-screen display (OSD) information from the video source, such as a set top box, using the EIA775 standard. The system processor receives the OSD data through the TSB43DA42 asynchronous receive buffer. The system graphics controller controls the OSD and mixes it with the video data for display. The MPEG2 demux device also outputs the encoded audio in SPDIF format using the IEC61937 standard. This stream is input to the TSB43DA42 using the SPDIF input port. The TSB43DA42 encrypts the stream using the M6 cipher (if necessary) and transmits it over 1394 to an AV/R or other audio device. 3 Submit Documentation Feedback |
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