pub type I2SSRC_W<'a, const O: u8> = BitWriter<'a, u32, CFGR_SPEC, I2SSRC_A, O>;
Field I2SSRC writer - I2S clock selection
I2SSRC
PLLI2S clock used as I2S clock source
External clock mapped on the I2S_CKIN pin used as I2S clock source