Ultra-low power consumption timed wake-up
No external circuit required, sleep and wake-up cycles and time can be flexibly configured via I2C, with power consumption of about 0.1uA in timing and continuous voltage monitoring of about 2uA
Flexible watchdog
Prevent main control from crashing, the refreshing time of the watchdog can be dynamically configured via I2C
Expandable GPIO port
Address the MCU's GPIO pin shortage.
Power on control with buttons
Address the MCU's GPIO pin shortage with expandable GPIO ports
Power on control with buttons
Power consumption of about 0.1uA in timing, continuous voltage monitoring of about 2uA
