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MMWCAS-RF-EVM: AWR2243's SPI function MOSI pin should set pull up or pull down resistor?

?? ?
Prodigy 20 points
Part Number: MMWCAS-RF-EVM
Other Parts Discussed in Thread: AWR2243

In AWR2243 datasheet, SPI function MOSI pin's default pull status is pull up,

But in 《PROC054E_AWR_Pull_Resistors.SchDoc》，this pin has a pull down resistor.

There are different, which one is correct ?

  • 0
    TI__Genius 13805 points

    Hi,

         I think you are referring to two different things. The DS talks about status of PULL structures associated with the IO after device POWER UP. Where as the Board schematic is talking about the external recommended interface. This signal is also going to the HOST.

    Regards