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Thread: Diable outputs ISO1H812G

  1. #1
    Intermediate Intermediate Janet is on a distinguished road
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    Diable outputs ISO1H812G

    Hello!
    I'm usign ISO1H812G as output unit in SPI communication. I've implemented a function for error detection that set a variable if MISO and MOSI mismatch. I saw that ISO1H812G has the DIS pin to disable the outputs, so my question is: if i connect the DIS to a general purpose IO of my XMC4800 chip and i set it to 0 in case of errors, the outputs of the ISO1H812G will be reset to 0?

    Thank you for any help

  2. #2
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    berbra is on a distinguished road
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    Yes, this works. PIN description in the datasheet: The high-side outputs OUT0...OUT7 can be immediately switched off by means of the low active pin DIS that is an asynchronous signal. The input registers are also reset by the DIS signal. The output remains switched off after low-high transient of DIS, till new data is written into the input interface.
    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

  3. #3
    Intermediate Intermediate Janet is on a distinguished road
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    Thank you!

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