Event that AD overflow

This event occurs when data can not be stored in memory any more.

When using device buffer

This event occurs when the memory became FULL state and data was overwritten by storing the next conversion data.
If the memory type is FIFO, the sampling operation stops.
If the memory type is RING, the sampling operation continues.

When using user buffer

This event occurs when the memory became FULL state.
If the memory type is "Not overwrite the memory", the sampling operation stops.
If the memory type is "Overwrite the memory", the sampling operation continues.