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Why does ram read back as all zeros after writing to it?

Question asked by gerrykurz on Sep 15, 2015

I am finding that I can only read back zeros from the ADAU1442 rams after writing any data into them.

 

I can read back registers in the E000 address space just fine but not the contents of the data, program or parameter ram.

 

I am using the I2C control port.

 

Any idea what is going on with this?

 

Are these rams write only?

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