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Forum Post: RE: TLV320AIC3256EVM-U Sample Rate/Firmware Issues

I tried the steps above with bad results.

 

I opened the EVM software. The USB LED was green and firmware version was 2.04. The I2C address is 0x30 which is different that the doc shows.

I went to Tools >EEPROM. I selected the 44.1KHz firmware and clicked Program EEPROM. The button immediately released like nothing had happened.

 

I disconnected and reconnected the USB cable. After a delay, a Windows message popped up stating that the device was not recognized.

 

Since the USB LED is red now and the EVM is disconnected, I went to step 3 in the post above. I shorted TP1 & TP2 with a jumper. This time the USB device inserted sound from Windows sounded different (a couple of low frequency tones) and I got no message. I never got anything telling me to "insert EEPROM jumper". Also the LEDs on the EVM itself are no longer illuminated.

So I am bricked for sure now.

What's next?

 

Thanks,

George

 


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