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XMOS-based Asynchronous USB to I2S interface
XMOS-based Asynchronous USB to I2S interface
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Old 22nd March 2020, 07:35 PM   #3241
UMarcus is offline UMarcus  Germany
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XMOS-based Asynchronous USB to I2S interface
I wrote him. Thx.
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Old 23rd March 2020, 03:01 AM   #3242
aradan is offline aradan  Singapore
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I apologize I have posted wrong contacts here. The above post by NickD is the correct one
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Old 13th April 2020, 05:14 PM   #3243
Lorien is offline Lorien
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Quote:
If you have a WaveIO board you can email @Lorien via his website with a request. He responds pretty quickly.
Excepting those cases when I have to run away from Covid-19...


Quote:
I wrote him. Thx.
Please check your email!


Stay healthy,
L
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Old 23rd April 2020, 10:07 PM   #3244
br20t is offline br20t  Poland
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Latest drivers?
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Old 1st May 2020, 01:15 PM   #3245
hulsebos is offline hulsebos  Netherlands
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Hi Lorien,

I've just ordered a WaveIO board. Looking foreward to using it.

I have aquestion:
Can I directly drive the I2S pins of a PCM1794 DAC IC from the isolated I2S connector of the WaveIO board or is a buffer needed inbetween? The DAC IC will only be a few centimeters away from the WaveIO board.

Cheers,
Edo
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Old 1st May 2020, 01:59 PM   #3246
Lorien is offline Lorien
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Join Date: Nov 2007
Hello Edo,
order is confirmed, thank you! You can directly drive your DAC with WaveIO from isolated I2S port but you'll need to apply a 3.3Vdc power to the output side of the isolator between the V+ and any (or all) of the "Isol.GND" pins.

You can take that voltage from the digital side of your DAC but my advice is to find a small regulator like those who are replacing traditional 3 pin ones and wire its output directly to V+ and Isol.GND. Obviously, the Isol.GND pins are common with the digital GND of your DAC but NOT with the main GND of WaveIO! Any short circuit between WaveIO main GND and Isol.GND will defeat the isolation barrier!


I hope I was clear... if not simply ask or use the contact form.
Kind regards,
L
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Old 1st May 2020, 03:37 PM   #3247
hulsebos is offline hulsebos  Netherlands
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Hi Lorien,

Thanks for the quick reply, you were very clear

Edo
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Old 1st July 2020, 05:44 PM   #3248
Raj1 is offline Raj1  United Kingdom
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Join Date: Jan 2003
Location: UK
Quote:
Originally Posted by Lorien View Post
Hello Edo,
order is confirmed, thank you! You can directly drive your DAC with WaveIO from isolated I2S port but you'll need to apply a 3.3Vdc power to the output side of the isolator between the V+ and any (or all) of the "Isol.GND" pins.

You can take that voltage from the digital side of your DAC but my advice is to find a small regulator like those who are replacing traditional 3 pin ones and wire its output directly to V+ and Isol.GND. Obviously, the Isol.GND pins are common with the digital GND of your DAC but NOT with the main GND of WaveIO! Any short circuit between WaveIO main GND and Isol.GND will defeat the isolation barrier!


I hope I was clear... if not simply ask or use the contact form.
Kind regards,
L

Hi Lorien,

Sent you an email requesting the latest driver and firmware. Not sure if you received it.

-Raja
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Old 2nd July 2020, 07:01 AM   #3249
Lorien is offline Lorien
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Got it! You should have the drivers by now!
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Old 2nd July 2020, 02:05 PM   #3250
diyiggy is offline diyiggy
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Hi Lorien, I advised your board few time ago to a member but I didn't know about which NDK version you use today : is the best of the to still an option when ordering on your web site please ? Same isolator chip as before as well ?
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