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LM92 does not ACK.

Guru 19485 points
Other Parts Discussed in Thread: LM92

At first, a few time ACK was OK, but soon (after transmitted) LM92 does not ACK.

Please let me know 3 point below.

・Is there considered cause?

・When accessing continuously, is the special command needed?

・Is LM92 have NAC (No ACK signal)?

 

Customer information is below

・Wave form is attached

 ※1:SDA、2:SCL、3:Vs

・It's connected with EEPROM by a daisy chain.

 (EEPROM is no problem)

・Customer connected Pull-up resister:1.5kΩ and 4.7kΩ, same NG.

 

Best regards,

Satoshi