pub type URS_W<'a, const O: u8> = BitWriter<'a, u32, CR1_SPEC, URS_A, O>;
Field URS writer - Update request source This bit is set and cleared by software to select the UEV event sources. Counter overflow/underflow Setting the UG bit Update generation through the slave mode controller
URS
Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
Only counter overflow/underflow generates an update interrupt or DMA request