Hi Andy, Yep, I will measure thd+n with and without pga in order to choose if I keep it or not, one time I will have a thd+n analyser. Anyway using PGA only for my analog line IN will save me some cost as 2 ch PGA is less expensive than the 4 ch I use today, but as I've a lot of difficulties to mana...

Here the scope shoot relative to 24Mhz clock and audio clock provided both by pll PL611 (design from Xmos usb audio multichanel ref design).
Also my project which seems to be buggy (based on an00231 modified for my use especially with dac section and config file cause I use an XUF208 device).

Hi Biquad, Thanks for your advices. I use a 4R7 resistor instead of ferrite, also I remove the 10uF cap C609. I use usb audio framework which works great on my design to check clock stability, I see no issue. I share some scope shoot with the signal DAC_LRCLK (441_usb) with usb audio framework runni...

Hello, I try to run my XUF208-256-TQ64-C10 @ 400Mz instead of 500Mhz (changing frequency in xn config file) and now the spdif sample rate is correctly detected: Starting I2S SR change in lib_audio_codec - 48000 Initializing I2S to 48000Hz and MCLK to 24576000Hz spdif rate ave=48001, valid=1, i2s rat...

At least I'm feeling less alone with your answer :) I'w working on exactly the same approach that you will do, an xmos inbput pin controlled by external mcu and play with reboot pin to start xmos in USB=>I2S or SPIDF=>I2S. For that using AN00109 'Multiple firmware booting' shoud help. I initially wa...

Hello, I'm trying to port the SPDIF to I2S with ASRC project on a custom hw (AN00231). The custom hw is based upon an XUF208 ic, the hw works well with the audio usb project, playing audio from USB, no problem. My port for AN00231 on my hw almost works, but there is something wrong, I join some scop...

Hello, Still working on spdif to usb with Xmos usb audio framework on a custom HW. I start to doubt there is a way to make spdif input working with this framework and the XUF208 chip :/ My custom hw is based upon harware usb audio plateform, using a dediced CS2100 ic for the spdif part. My custom hw...

Still no news about chips availability ?

Sorry but no :/ I try to make working other framework than USB audio to get working spdif (last try with no success with spdif asrc project exemple). Relative to USB audio framework I don't understand how to map the signals from spdif in the framework, and then when I try severals config I never see...

Hello, Finally I'm using the AN00231 SPDIF TO I2S ASRC project to see if my hw is working regards to spdif IN. I'm in trouble with this project; It almost works but hang. I modify the project to remove all relative to I2C (my PCM1792 dac don't need any config to work), button and led. My HW is based...