Boot monitor

Boot monitor power cycles the host System on Chip when the software fails to boot within t_{BOOT_TIMER}.

Boot monitor starts when the chip enters Active mode unless the SYSGDEN pin has been pulled low externally. The pin state is checked during chip power-up.

Software can stop the boot monitor by activating the timer stop task in TASKS_STOP to avoid the power cycle. Boot monitor cannot be re-enabled through TWI after it has been stopped.