===== RTCC Subsystem =====


RTCC subsystem lets user to access at the RTCC portion of the {{:carberry:hw_spec:mcp79410.pdf|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.

==== Subsystem commands ====

Here, the subsytem commands list

^ Command ^ Brief description^
| [[carberry:cmds:subsys:rtcc:read|READ]]   | Read raw data from RTCC memory space|
| [[carberry:cmds:subsys:rtcc:write|WRITE]] | Write raw data to RTCC memory space|
| [[carberry:cmds:subsys:rtcc:time|TIME]] | Get/Set time|
| [[carberry:cmds:subsys:rtcc:date|DATE]] | Get/Set date|
| [[carberry:cmds:subsys:rtcc:alarm|ALARM]] | Get/Set alarm (wakeup)|

==== Notes ====

Next firmware releases will contain more specific commands to manage the RTCC peripheral, as wakeup and date/time related commands.