30.9.1.11 Enabling, Disabling, and Resetting
The MLB is enabled by writing a '1' to both the Enable bit in the Control A register (CTRLA.ENABLE bit) and MLBEN bit of MLBC0 register (MLBC0.MLBEN bit).
The MLB is disabled by writing a '0' to both the Enable bit in the Control A register (CTRLA.ENABLE bit) and MLBEN bit of MLBC0 register (MLBC0.MLBEN bit). In this case MLB clock (GCLK) is not requested.
The MLB is reset by writing '1' to the Software Reset bit in the Control A register (CTRLA.SWRST bit ). The MediaLB module must be re-initialized after a software reset event.