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yiancar1		#1 Posted : Sunday, August 1, 2010 9:08:59 AM(UTC)
Rank: Member Groups: Member Joined: 8/1/2010(UTC) Posts: 5 Location: Cyprus		Hey guys am trying to get an spdif out from Si4735 (data-sheet http://www.silabs.com/pr...vers/Pages/Si473435.aspx) well, ive got the bit sync and that digital output signals but I cannot fine a mclk signal from the si unit. Could you please help ? is the mclk signal a must?
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Russ White		#2 Posted : Sunday, August 1, 2010 7:36:38 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		I am not at all familiar with that part. I will do a bit of research.
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yiancar1		#3 Posted : Monday, August 2, 2010 1:28:14 PM(UTC)
Rank: Member Groups: Member Joined: 8/1/2010(UTC) Posts: 5 Location: Cyprus		ok tnx :) waiting on your reply
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Russ White		#4 Posted : Monday, August 2, 2010 4:09:38 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		Are you sure it is not doing PCM output?
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Russ White		#5 Posted : Monday, August 2, 2010 4:14:40 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		It looks like the default is I2S(PCM) Try this (With SPDIF switch open): Si4735 -> BUFII DCLK -> DCK DFS -> D1 DOUT -> D2 GND -> GND
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Russ White		#6 Posted : Monday, August 2, 2010 4:22:30 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		Oops, I forgot that you did not say you were using the BUF-II. Anyway all you need to know is that DCLK is the bit clock, DFS is the word clock, and DOUT is DATA. Cheers! Russ Edited by user Monday, August 2, 2010 4:23:31 PM(UTC)  | Reason: Not specified
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yiancar1		#7 Posted : Tuesday, August 3, 2010 1:30:41 AM(UTC)
Rank: Member Groups: Member Joined: 8/1/2010(UTC) Posts: 5 Location: Cyprus		the Mclk/sck its ok to stay unconnected?
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Russ White		#8 Posted : Tuesday, August 3, 2010 9:01:20 AM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		yiancar1 wrote: the Mclk/sck its ok to stay unconnected? Only the signals I mentioned (along with GND) are required.
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yiancar1		#9 Posted : Tuesday, August 3, 2010 3:16:27 PM(UTC)
Rank: Member Groups: Member Joined: 8/1/2010(UTC) Posts: 5 Location: Cyprus		tnx m8 will d
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Russ White		#10 Posted : Tuesday, August 3, 2010 3:59:32 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		Let me know if it works out.
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