FALL_THROUGH: bitDATA_WIDTH: int unsignedDEPTH: int unsigneddtype: typeADDR_DEPTH: int unsignedFifoDepth: int unsignedclk_i: input  logicrst_ni: input  logicflush_i: input  logictestmode_i: input  logicfull_o: output logicempty_o: output logicusage_o: output logic  [ADDR_DEPTH-1:0]data_i: input  dtypepush_i: input  logicdata_o: output dtypepop_i: input  logic