NXP Semiconductors Kinetis KE1xZ256, Reference Manual

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41.2.2 Modes of operation
This module supports the following mode:
• Run Mode
When enabled, the pulse width timer module is active.
• Wait Mode
When enabled, the pulse width timer module is active and can perform the waking up
function if the corresponding interrupt is enabled.
• Stop Mode
The pulse width timer module is halted when entering stop and the register contents
and operating status is preserved. If stop exits with reset then the module resets. If
stop exits with another source, the module resumes operation based on module status
upon exit.
• Active Background Mode
Upon entering BDM mode, the PWT suspends all counting and pulse edge detection
until the microcontroller returns to normal user operating mode. Counting and edge
detection resume from the suspended value when normal user operating mode returns
as long as the PWTSR bit (PWT software reset) is not written to 1 and the PWT
module is still enabled.
41.2.3 Block diagram
The following figure show the block diagram of the PWT.
Introduction
Kinetis KE1xZ256 Sub-Family Reference Manual, Rev. 3, 07/2018
1034 NXP Semiconductors