pub type MuldivW<'a, REG> = BitWriter<'a, REG, Muldiv>;
Field MULDIV writer - Switch between up- and downscale of the DAC0 input data values
MULDIV
struct MuldivW<'a, REG> { /* private fields */ }
downscale = division (shift SCALE positions to the right)
upscale = multiplication (shift SCALE positions to the left)