{> sel := ipbus_sel_t(to_unsigned(N_SLV_TOTAL_EVENT_COUNT_MSB, IPBUS_SEL_WIDTH)); -- total_event_count_msb / base 0x0000000e / mask 0x0000000f
< sel := ipbus_sel_t(to_unsigned(N_SLV_TOTAL_EVENT_COUNT_MSB, IPBUS_SEL_WIDTH)); -- total_event_count / base 0x0000000d / mask 0x0000000f  

} {> sel := ipbus_sel_t(to_unsigned(N_SLV_ORBIT, IPBUS_SEL_WIDTH)); -- orbit / base 0x0000000f / mask 0x0000000f
< sel := ipbus_sel_t(to_unsigned(N_SLV_ORBIT, IPBUS_SEL_WIDTH)); -- orbit / base 0x0000000e / mask 0x0000000f

}