10.4.2.2.1 Enabling and Disabling a Generator
A Generator is enabled by writing the Generator Enable bit of the Generator Control
register (GENCTRL[n].GENEN) to '1'.
A Generator is disabled by writing '0' to the generator enable bit of the
Generator Control register (GENCTRL[n].GENEN). When the GENEN bit is '0',
the Generator clock (GCLK_GENn) is disabled and gated.
