pub type MCKSEL_W<'a, REG, const O: u8> = BitWriter<'a, REG, O, MCKSELSELECT_A>;
Field MCKSEL writer - Master Clock Select
MCKSEL
struct MCKSEL_W<'a, REG, const O: u8> { /* private fields */ }
GCLK_I2S_n is used as Master Clock n source
MCKn input pin is used as Master Clock n source