The ConnectCore 6 module assembles a Dialog DA9063 PMIC chip, which is connected to the I2C3 bus of the CPU. You may find it useful to access the PMIC’s register to test voltages and debug events on the PMIC.
The pmic command lets you grant read/write access to the PMIC’s registers.
=> help pmic
pmic - PMIC access
pmic dump - dumps all PMIC registers
pmic read address [count] - read PMIC register(s)
pmic write address value - write PMIC register