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S32K pin in FTM disabled mode

Question asked by youssef chabaane on Jan 21, 2019
Latest reply on Jan 22, 2019 by Daniel Martynek

Hi all

 

My question is about FTM module.

I'm looking to know the behavior of S32 FTM pin, if the mux is configured as FTM mode (PORT_PCR_MUX), but the FTM is disabled by (ELSB:ELSBA) in CnSC register.

 

There is a comment from RM in Table 45-5. Channel Modes Selection, in case of ELSB:ELSA = 00:

 

"Pin not used for FTM—revert the channel pin to general purpose I/O or other peripheral control"

 

If the mux of the pin is still configured as FTM mode, what is the behavior ?

Do you have further explanation for this comment?

What is the logic state of the pin in this case? (output Low or high?, input or hi-Z )

 

Regards

Youssef

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