xxx_P_RSRV_x
(REF_xxxx_E + xxx_P_RSRV_x + (port))
(REF_xxxx_I + xxx_P_RSRV_x + (port))
(BUF_xxxx_E + xxx_P_RSRV_x + (port))
(BUF_xxxx_I + xxx_P_RSRV_x + (port))