Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/NXP Semiconductors/MIMXRT1064/PIT/TIMER[0]/TFLG#0x0
TIF=TIF_0
Timer Flag Register
Timer Interrupt Flag
0 (TIF_0): Timeout has not yet occurred.
1 (TIF_1): Timeout has occurred.
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https://github.com/cmsis-svd/cmsis-svd-data