ADAU1701 SPDIF input x 2
Hi
I need to connect 2 SPDIF inputs to the ADAU1701 chip and have the SigmaDSP produce a mix of the 2 inputs. I have 2 device ICs that convert the optical SPDIF into a single channel I2S (DATAOUT, BITCLOCK and LRSEL)
Can 2 independent I2S streams be input into the ADAU1701 devices?
Also i have the ADAU1401A Eval board and there is CPLD that functions as a "serial data output buffer" is this needed?
Thanks
Steve
adau1401a
Audio Signal Processors
SigmaDSP Audio Processors
adau1701
Hi Steve,
Sorry for the late reply. I was away on business last week and it took me a while to get caught up.
The EVAL-ADAU1401EBZ board contains an S/PDIF receiver, which accepts two channels (left and right). If you look at the user guide for the eval board (UG-072), you'll see a guide to setting up the switches and jumpers in the correct configuration for S/PDIF I/O on page 20.
In SigmaStudio, you'll need to set up the GPIO registers as follows:
You'll need to use inputs 2 and 3 for the inputs and DIG0 and DIG1 for the outputs.
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EZ Admin
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