SLUUCP8 June 2024 BQ41Z50
The PRES pin is sampled every 250 ms, and if the PRES pin is high for SYS_PRES Delay samples, the OperationStatus[PRES] flag is cleared. If the PRES pin is low for SYS_PRES Delay samples, the OperationStatus [PRES] flag is set, indicating the system is present (the battery is inserted).