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#1 |
diyAudio Member
Join Date: Feb 2006
Location: Germany
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Hello,
does anyone know the correct pin settings for DIT4192 Dit4096 digital audio transmitters? I get the wrong sample rate, even though it is in consumer mode. The description in the datasheet is not understandable... All the best, Salar |
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#2 |
diyAudio Member
Join Date: Oct 2001
Location: .
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Sample rate data has loaded into the device through a serial port. That is most easily done using a microcontroller.
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#3 | |
diyAudio Member
Join Date: Aug 2005
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#4 |
diyAudio Member
Join Date: Feb 2006
Location: Germany
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Thanks,
it is running in hardware mode. Even though the 4192īs pin settings should be in "Consumer Mode", my Parasound DAC-1500 shows a wrong sample rate, which clearly indicates, that the signal from DIT4192 is in professional mode. (I have a sample rate converter from Z-Sys, wich is switchable between consumer an pro modes, that is why I know) Also my Sony DTC-5ES Dat does not lock to the signal. Again, the table of the pin settings ( I guess figure IV or VI) is not well explained in the DIT4192 datasheet. My goal is to run DIT4192 in Consumer mode without setting the copy protection/generation bits. I put pin 3 ("L-copy generation" to low, and pin 2 (Pro-High Consumer - Low) to low, but it does not work. All the best, Salar |
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#5 | |
diyAudio Member
Join Date: Oct 2001
Location: .
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#6 | ||
diyAudio Member
Join Date: Oct 2001
Location: .
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#7 |
diyAudio Member
Join Date: Feb 2006
Location: Germany
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Thanks,
but what does this mean in practice? With CSS-high, I do still connect the pins like being described in table IV? Or does the data become some kind of hybrid of the pro and consumer formats and the receiver will pick the the data needed. Unlikely, because different subcode information in pro/consumer share the same bits... All the best, Salar |
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#8 |
diyAudio Member
Join Date: Oct 2001
Location: .
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It means you have to understand the structure of the Channel Status Bytes and load the relevant bits serially.
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#9 | |
diyAudio Member
Join Date: Feb 2006
Location: Germany
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Quote:
Right now, pro mode works best (Copy/C, L, CLK1 set to high/5V) With L and Copy/C - low, ("pure" Consumer Mode according to the datasheet), the DIT transmits the wrong Sample rate; my Parasound DAC shows 44.1 as 48khz, but does play the signal withot any glitches, the S/PDIF Input in my Macbook Pro will start to click after a longer time. In Pro Mode, everything works fine. Only my Sony ZA5ES DAT refuses the signal over Coaxial/Optical input, no matter, in which combination the pins of the DIT4192 are set. Signal level is o.K, 0.5V All the best, Salar |
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#10 |
Banned
Join Date: Feb 2007
Location: Dublin
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This is the creaking sound of an old post being revived
![]() I'm getting the same problem as the OP & looked at the DIT4192 datasheet. Indeed it is confusing & also wrong! I have the latest datasheet SBOS229B revised 2003 & there is an error. On page 4 the setting of CSS are given as Not Connected mode=0 software mode; mode=1 hardware mode On page 8 & subsequent pages the settings are CSS = 0 hardware mode; CSS = 1 software mode. I have written to TI for clarification. Did anybody solve this, OP? |
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Thread | Thread Starter | Forum | Replies | Last Post |
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