CD1400_SRER_MDMCH  371 dev/ic/cy.c    		    CD1400_SRER_MDMCH | CD1400_SRER_RXDATA);
CD1400_SRER_MDMCH  894 dev/sbus/magma.c 		CD1400_WRITE_REG(cd, CD1400_SRER, CD1400_SRER_RXDATA | CD1400_SRER_MDMCH);