NXP Semiconductors Kinetis KE1xZ256, Reference Manual

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The initialization trigger output provides a trigger signal that is used for on-chip modules.
Note
• When FTM is in up-down count mode (CPWMS = 1), the
initialization trigger can be generated according to
loadpoints CNTMAX and CNTMIN at SYNC register if
ITRIGR=1.
39.5.24 Capture Test Mode
The Capture Test mode allows to test the CnV registers, the FTM counter and the
interconnection logic between the FTM counter and CnV registers.
In this test mode, all channels must be configured for Input Capture mode and FTM
counter must be configured to the Up counting .
When the Capture Test mode is enabled (CAPTEST = 1), the FTM counter is frozen and
any write to CNT register updates directly the FTM counter; see the following figure.
After it was written, all CnV registers are updated with the written value to CNT register
and CHF bits are set. Therefore, the FTM counter is updated with its next value
according to its configuration. Its next value depends on CNTIN, MOD, and the written
value to FTM counter.
The next reads of CnV registers return the written value to the FTM counter and the next
reads of CNT register return FTM counter next value.
Chapter 39 FlexTimer Module (FTM)
Kinetis KE1xZ256 Sub-Family Reference Manual, Rev. 3, 07/2018
NXP Semiconductors 971