KW40Z_Connectivity_Software_1.0.1 (KSDK_1.3.0); IAR 7.50
There is a demo with the flowing functions witch seems to be related:
TSI_DRV_Recalibrate, TSI_DRV_SaveConfiguration, TSI_DRV_LoadConfiguration
from platform/drivers/inc/fsl_tsi_driver.h
fsl_tsi_driver.c
fsl_tsi_v4_driver_specific.c
Are they NVM related , and uses the NVM flash ?