Kinetis second set of ftm registers

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Kinetis second set of ftm registers

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tommyp
Contributor III

The Kinetis Kx manual makes reference to the "Second set of registers" when FTMEN is 1.  Can anyone clarify how to identify what registers are considered the second set?

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mjbcswitzerland
Specialist V

Hi Tom

Compare the TPM register set in a KL device with the FlexTimer set in a K device.

You will see that FTMn_CNTIN, FTMn_MODE, FTMn_SYNC, FTMn_OUTINIT, FTMn_OUTMASK, FTMn_COMBIN, FTMn_DEADTIME and FTMn_EXTTRIG, FTMn_FSM, FTMn_FILTER, FTMn_FLTCTRL, FTMn_QDCTRL, FTMn_FLTPOL, FTMn_SYNCONF, FTMn_INVCTRL, FTMn_SWOCTRL and FTMn_PWMLOAD are only available in the FlexTimer.

These can only be used when FTMEN is set, otherwise the FlexTimer's first set of registers allow it to work in (restricted) TPM compatibe mode.

Regards

Mark

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