PGA305: New PGA305 issues found

Francisco Requena

Part Number: PGA305

Hi Scott

Im using two PGA305s and found, after loading eeprom with certain ramdom parameters, that the two PGA305 refuse to switch to Digital Interface mode with mean I can program any of them any more.

I used the old PGA305 to test the unlocking sequence with it and worked fine but no with the two new devices.

Please advice

over 4 years ago

0 Scott Cummins over 4 years ago

TI__Mastermind 31655 points

Hi Francisco,

Can you please post the EEPROM map that you programmed before the digital interface became inaccessible? Was it the same map for both of the two new devices?

Thanks,

0 Francisco Requena over 4 years ago in reply to Scott Cummins

Intellectual 410 points

Hi Scott,

fortunately, i found that the device holding a few microseconds the DI setting , so I managed to load default EEPROM parameters and found that the Diagnostic_Enable byte was set and created this issue.

I have another question related to this digital gain and offset settings but Ill create a new post.

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PGA305: New PGA305 issues found