ADM1066 read register FSTAT1 and FSTAT2

Hi, Could you guide me how to read ADM1066 register FSTAT1 and 2 (0xE0, 0xE1) thru SMBus?

Thank you!!


  • 0
    •  Analog Employees 
    on Dec 8, 2011 6:23 PM

    Hi Bundit,

    If you have our USB to I2C dongle USB-SMBUS-CABLEZ, and using our GUI evaluation software, then you can access RAM registeres with GUI, see below:

    if you are using your own hardware/software, then you can use send byte and receive byte combination to read RAM registers.

    see page 28 and 32 for details on send and receive byte.

    you bascially use send byte to set the register addresss you want to read, and use receive byte to read the content of that register.

    so send byte E0h, and what you get after receive byte would be the content of FSTAT1.

    don't forget that you need to enable the fault register wirte in the corrisponding sequencing state in order for that state to be able to record the fault in FSTAT. see FAULT/STATUS REPORTING section on page 31 of AN-698 for details.


  • 0
    •  Analog Employees 
    on Dec 8, 2011 7:11 PM


    I moved this question about the ADM1066 to the Power Management community.  Please continue the discussion here.



    EngineerZone Community Manager

  • 0
    •  Analog Employees 
    on Aug 2, 2018 4:32 PM
    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
    EZ Admin