RTCC subsystem lets user to access at the RTCC portion of the MCP79410 chip, fitted on Carberry.
The commands in this subsystem read and write at addresses between 0x00 to 0x20.
I2C device access is at 0b11011110.
Here, the subsytem commands list
Next firmware releases will contain more specific commands to manage the RTCC peripheral, as wakeup and date/time related commands.