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LMH0395 Pin settngis in SPI mode

This question is answered
Kikuo Mita
Posted by Kikuo Mita
on Feb 13 2012 21:37 PM
Expert1730 points

LMH0395 has two operating modes. They are pin mode and SPI mode.
The device has control inputs such asSDO1_Disable Mute, Auto Sleep, and
Bypass.
In SPI mode, these functions can be controlled through registers.


The question is if pin settings are ignored in SPI mode or still they influence to
the settings?

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  • Nasser Mohammadi
    Posted by Nasser Mohammadi
    on Feb 14 2012 10:36 AM
    Verified Answer
    Verified by Kikuo Mita
    Expert4795 points

    Mita-San,

    Using the LMH0395 device, the Auto Sleep and the Bypass can be controlled via the SPI interface independent of the hardware pin. However for the SDO1_Disable you must have the pin enabled then you can either enable or disable via SPI register.

    Regards,,nasser

    SPI SDI
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  • Kikuo Mita
    Posted by Kikuo Mita
    on Feb 14 2012 18:17 PM
    Verified Answer
    Verified by Kikuo Mita
    Expert1730 points

    Thank you for the answer.
    I can clear it.
    I appreciate it if this information is put on the datasheet.

     

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