jr2 Posted April 5, 2017 Share Posted April 5, 2017 Hi, I would like to use a PMOD AMP3 in stand-alone mode via I2S with arduino m0. According to https://reference.digilentinc.com/reference/pmod/pmodamp3/reference-manual, I understand that by leaving JP2 open, MCLK is generated based on BCLK. However, at page 14 in the datasheet http://www.analog.com/media/en/technical-documentation/data-sheets/SSM2518.pdf it seems that the work is just the opposite, BCLK could be generated based on MCLK. Is there any chance not to use MCLK in stand-alone mode? or is this signal always needed? Regards. Link to comment Share on other sites More sharing options...
jpeyron Posted April 6, 2017 Share Posted April 6, 2017 Hi @jr2, I believe you still need the MCLK clock. Unfortunately we do not have any demos/examples that would directly translate to the Arduino platform but there are some examples of the PmodAMP3 being used in standalone with an FPGA here and here. Here is a thread that deals with the clocking of the MCLK and the BCLK and getting it working on a basys 3. @JColvin could you confirm this for me? cheers, Jon Link to comment Share on other sites More sharing options...
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jr2
Hi,
I would like to use a PMOD AMP3 in stand-alone mode via I2S with arduino m0.
According to https://reference.digilentinc.com/reference/pmod/pmodamp3/reference-manual, I understand that by leaving JP2 open, MCLK is generated based on BCLK. However, at page 14 in the datasheet http://www.analog.com/media/en/technical-documentation/data-sheets/SSM2518.pdf it seems that the work is just the opposite, BCLK could be generated based on MCLK.
Is there any chance not to use MCLK in stand-alone mode? or is this signal always needed?
Regards.
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