tmr_ustolim4m
cntr.limit = tmr_ustolim4m(tick);
counterreg4m->t_limit_nr = tmr_ustolim4m(newint);
timerreg4m->t_limit = tmr_ustolim4m(tick);
cpi->counterreg_4m->t_limit = tmr_ustolim4m(statint);