ADI user if_xcvr_cm_rtl 1.0 sel required 8 out required 8 in enb required 1 out required 1 in addr required 12 out required 12 in wr required 1 out required 1 in wdata required 16 out required 16 in rdata required 16 in required 16 out ready required 1 in required 1 out