FEC_OC_SNC_MODE__A
rc = drxj_dap_read_reg16(dev_addr, FEC_OC_SNC_MODE__A, &fec_oc_snc_mode, 0);
rc = drxj_dap_write_reg16(dev_addr, FEC_OC_SNC_MODE__A, fec_oc_snc_mode, 0);
rc = drxj_dap_read_reg16(dev_addr, FEC_OC_SNC_MODE__A, &fec_oc_snc_mode, 0);
rc = drxj_dap_write_reg16(dev_addr, FEC_OC_SNC_MODE__A, fec_oc_snc_mode | FEC_OC_SNC_MODE_UNLOCK_ENABLE__M, 0);
status = read16(state, FEC_OC_SNC_MODE__A, &fec_oc_snc_mode);
status = write16(state, FEC_OC_SNC_MODE__A, fec_oc_snc_mode);
status = read16(state, FEC_OC_SNC_MODE__A, &fec_oc_snc_mode);
status = write16(state, FEC_OC_SNC_MODE__A, fec_oc_snc_mode);