[opendtv] Re: MPEG2 TS serial interface

  • From: Steve Wilson <stevenjwilson@xxxxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Thu, 14 Sep 2006 18:11:57 -0400

Ron - That Samsung doc is good enough - thanks.  I figured thats what it looked like, but I needed some confirmation.  I have the DVB interface spec E500083-9, but its the 1997 version and it seems like this serial interface is or is like DVB-SSI.   But the doc doesnt have timing.  There is a 2002 version - maybe it does. 

Is the defacto-std supposed to be DVB-SSI do you know?   Thanks again

Ron Economos wrote:
The data sheet for the Samsung S5H1409 demodulator has timing
diagrams at the end. Basically, it's clock, data, data valid and sync
(to mark the beginning of the TS packet).

http://www.samsung.com/Products/Semiconductor/SystemLSI/DigitalMedia/D_n_VASSP/D_TV_DigitalTV/S5H1409/rs_s5h1409_rev13.pdf

The LVDS version of this interface is actually a de-facto standard. You
can get a converter from LVDS to DVB-ASI from these guys.

http://www.enensys.com

Ron

Steve Wilson wrote:
What comes out of a tuner/decoder in serial mode.   I found a "datasheet" for an MT352 channel decoder, but its pretty light on information.  It was bought by Intel and their datasheet is exactly the same, but it says "Intel" on it.  I have calls into Fujitsu and LSI as some of their MPEG related parts have a serial IF, but that could take days...if ever, to get something.

Maybe someone has an electronic copy of an old spec thats not confidential....

Rod Hewitt wrote:
What type of serial MPEG-2 interface? What comes out of a tuner in serial
mode or something like the DVB-ASI serial interface?

Rod


  
-----Original Message-----
From: Steve Wilson [mailto:stevenjwilson@xxxxxxxxxxx]
Sent: Thursday, September 14, 2006 14:53
To: opendtv@xxxxxxxxxxxxx
Subject: [opendtv] MPEG2 TS serial interface

Does anyone happen to know where I get a document that describes the
timing for an MPEG2 transport stream serial interface? I cant find
anything on the web.... a spec for an old STB chip/MPEG2 decoder would
probably have it.
Thanks


      

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