AB2_DESC
SIG_EXPR_LIST_DECL_SINGLE(AB2, VPIG7, VPI30, VPI30_DESC, AB2_DESC);
SIG_EXPR_LIST_DECL_SINGLE(AB2, PWM7, PWM7, AB2_DESC);
SIG_EXPR_LIST_DECL_SINGLE(AB2, VPIB3, VPI24, VPI_24_RSVD_DESC, AB2_DESC, COND2);
SIG_EXPR_LIST_DECL_SINGLE(AB2, NDCD2, NDCD2, AB2_DESC, COND2);