My WM8741 x 4 with DSD Project - diyAudio
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Old 14th June 2014, 07:15 AM   #1
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Default My WM8741 x 4 with DSD Project

Hi,

I got a WM8741 x 4 DAC main board and I2S/DSD card.

Now, I want to connect them in hardware mode, so that it can decoding PCM / DSD file which is smoothly selection by footbar2000
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File Type: jpg dac.jpg (89.0 KB, 160 views)
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Old 14th June 2014, 07:19 AM   #2
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ref. to wm8741 datasheet, in hardware mode.......

Pin 1, 2, 3, 5, 22, 27 are important source in.....
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File Type: pdf WM8741.pdf (890.5 KB, 13 views)
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Old 14th June 2014, 07:29 AM   #3
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ref. to I2S/DSD card, the spec. which provide from manufactory.....

Technical parameters:

Input: USB2.0, high speed interface

output:
1) S / PDIF 75 ohm coaxial output
2) I2S

support sampling rates (PCM):
1) 44.1 KHz
2) 48 KHz
3) 88.2 KHz
4) 96 KHz
5) 176.4 KHz
6) 192 KHz
7) 352.8 KHz
8) 384 KHz

sampling rate support (DSD):
1 ) 2.8 MHz (DSD64) (DoP, ASIO native DSD)
2) 5.6 MHz (DSD128) (DoP, ASIO native DSD)
3) 11.2 MHz (DSD256) (ASIO native DSD)
4) 22.5 MHz (DSD512) (ASIO native DSD )

support digits:
1) 32 bit I2S output
2) 24 bit S / PDIF

output compatibility:
Mac OS 10.6 or above, Linux, Windows 32/64 WASAPI, ASIO, KS, DS drive

recommended player: Foobar2000 etc.
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Old 14th June 2014, 07:32 AM   #4
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Beginning to connect both card, some idea need to consider.....
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Old 14th June 2014, 07:33 AM   #5
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to be continuous.......
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Old 14th June 2014, 09:27 AM   #6
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Hi,

Nice project. What USB I2S/DSD board are you using?
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Old 23rd June 2014, 11:18 PM   #7
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Quote:
Originally Posted by lintweaker View Post
Hi,

Nice project. What USB I2S/DSD board are you using?
That is Tanly usb to dsd board, i'm bought it from china market.
Tanly
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Old 25th June 2014, 10:10 AM   #8
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Quote:
Originally Posted by naniking View Post
That is Tanly usb to dsd board, i'm bought it from china market.
Tanly
Thanks, found it!
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Old 26th June 2014, 09:21 AM   #9
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hi hi, I'm come back....

Now, start from Tanly DSD USB board.........i can got the data output pins as shows on picture.
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File Type: jpg dsd.jpg (110.2 KB, 35 views)
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Old 26th June 2014, 09:43 AM   #10
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Double check with WM8741 datasheet.......

I found that must need those data input.....

Let's go..... try to connect them.... hope it is work.
Attached Images
File Type: jpg part1_8741.jpg (148.0 KB, 11 views)
File Type: jpg part2_8741.jpg (77.4 KB, 7 views)
File Type: jpg part3_8741.jpg (219.3 KB, 6 views)
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