From: hadeshyp Date: Fri, 18 Jun 2010 09:19:59 +0000 (+0000) Subject: *** empty log message *** X-Git-Tag: oldGBE~274 X-Git-Url: https://jspc29.x-matter.uni-frankfurt.de/git/?a=commitdiff_plain;h=b037a89ed8eacbea1227c0cf3110fececf132da4;p=trbnet.git *** empty log message *** --- diff --git a/lattice/ecp2m/fifo/fifo_19x16_obuf.lpc b/lattice/ecp2m/fifo/fifo_19x16_obuf.lpc new file mode 100644 index 0000000..b27ac4a --- /dev/null +++ b/lattice/ecp2m/fifo/fifo_19x16_obuf.lpc @@ -0,0 +1,44 @@ +[Device] +Family=latticeecp2m +PartType=LFE2M100E +PartName=LFE2M100E-5F900I +SpeedGrade=-5 +Package=FPBGA900 +OperatingCondition=IND +Status=P + +[IP] +VendorName=Lattice Semiconductor Corporation +CoreType=LPM +CoreStatus=Demo +CoreName=FIFO +CoreRevision=4.8 +ModuleName=fifo_19x16_obuf +SourceFormat=Schematic/VHDL +ParameterFileVersion=1.0 +Date=06/18/2010 +Time=10:57:41 + +[Parameters] +Verilog=0 +VHDL=1 +EDIF=1 +Destination=Synplicity +Expression=BusA(0 to 7) +Order=Big Endian [MSB:LSB] +IO=0 +FIFOImp=LUT Based +Depth=16 +Width=19 +regout=0 +CtrlByRdEn=0 +EmpFlg=1 +PeMode=Dynamic - Single Threshold +PeAssert=10 +PeDeassert=12 +FullFlg=1 +PfMode=Dynamic - Single Threshold +PfAssert=13 +PfDeassert=506 +RDataCount=0 +EnECC=0 diff --git a/lattice/ecp2m/fifo/fifo_19x16_obuf.vhd b/lattice/ecp2m/fifo/fifo_19x16_obuf.vhd new file mode 100644 index 0000000..a6f8869 --- /dev/null +++ b/lattice/ecp2m/fifo/fifo_19x16_obuf.vhd @@ -0,0 +1,1040 @@ +-- VHDL netlist generated by SCUBA ispLever_v8.0_PROD_Build (41) +-- Module Version: 4.8 +--/opt/lattice/ispLEVER8.0/isptools/ispfpga/bin/lin/scuba -w -lang vhdl -synth synplify -bus_exp 7 -bb -arch ep5m00 -type ebfifo -pfu_fifo -depth 16 -width 19 -depth 16 -no_enable -pe 0 -pf 0 -e + +-- Fri Jun 18 10:57:46 2010 + +library IEEE; +use IEEE.std_logic_1164.all; +-- synopsys translate_off +library ecp2m; +use ecp2m.components.all; +-- synopsys translate_on + +entity fifo_19x16_obuf is + port ( + Data: in std_logic_vector(18 downto 0); + Clock: in std_logic; + WrEn: in std_logic; + RdEn: in std_logic; + Reset: in std_logic; + AmEmptyThresh: in std_logic_vector(3 downto 0); + AmFullThresh: in std_logic_vector(3 downto 0); + Q: out std_logic_vector(18 downto 0); + Empty: out std_logic; + Full: out std_logic; + AlmostEmpty: out std_logic; + AlmostFull: out std_logic); +end fifo_19x16_obuf; + +architecture Structure of fifo_19x16_obuf is + + -- internal signal declarations + signal invout_2: std_logic; + signal invout_1: std_logic; + signal rden_i_inv: std_logic; + signal invout_0: std_logic; + signal r_nw: std_logic; + signal rcnt_reg_3_inv: std_logic; + signal fcnt_en: std_logic; + signal empty_i: std_logic; + signal empty_d: std_logic; + signal full_i: std_logic; + signal full_d: std_logic; + signal wptr_4: std_logic; + signal rptr_4: std_logic; + signal rcnt_reg_4: std_logic; + signal ifcount_0: std_logic; + signal ifcount_1: std_logic; + signal bdcnt_bctr_ci: std_logic; + signal ifcount_2: std_logic; + signal ifcount_3: std_logic; + signal co0: std_logic; + signal ifcount_4: std_logic; + signal co2: std_logic; + signal co1: std_logic; + signal cmp_ci: std_logic; + signal co0_1: std_logic; + signal co1_1: std_logic; + signal cmp_le_1: std_logic; + signal cmp_le_1_c: std_logic; + signal cmp_ci_1: std_logic; + signal fcount_0: std_logic; + signal fcount_1: std_logic; + signal co0_2: std_logic; + signal fcount_2: std_logic; + signal fcount_3: std_logic; + signal co1_2: std_logic; + signal wren_i_inv: std_logic; + signal fcount_4: std_logic; + signal cmp_ge_d1: std_logic; + signal cmp_ge_d1_c: std_logic; + signal iwcount_0: std_logic; + signal iwcount_1: std_logic; + signal w_ctr_ci: std_logic; + signal iwcount_2: std_logic; + signal iwcount_3: std_logic; + signal co0_3: std_logic; + signal iwcount_4: std_logic; + signal co2_1: std_logic; + signal wcount_4: std_logic; + signal co1_3: std_logic; + signal scuba_vhi: std_logic; + signal ircount_0: std_logic; + signal ircount_1: std_logic; + signal r_ctr_ci: std_logic; + signal ircount_2: std_logic; + signal ircount_3: std_logic; + signal co0_4: std_logic; + signal ircount_4: std_logic; + signal co2_2: std_logic; + signal rcount_4: std_logic; + signal co1_4: std_logic; + signal rcnt_sub_0: std_logic; + signal r_nw_inv_inv: std_logic; + signal rcount_0: std_logic; + signal r_nw_inv: std_logic; + signal rcnt_sub_1: std_logic; + signal rcnt_sub_2: std_logic; + signal co0_5: std_logic; + signal rcount_1: std_logic; + signal rcount_2: std_logic; + signal rcnt_sub_3: std_logic; + signal rcnt_sub_4: std_logic; + signal co1_5: std_logic; + signal rcount_3: std_logic; + signal rcnt_sub_msb: std_logic; + signal co2_3d: std_logic; + signal co2_3: std_logic; + signal rden_i: std_logic; + signal cmp_ci_2: std_logic; + signal rcnt_reg_0: std_logic; + signal rcnt_reg_1: std_logic; + signal co0_6: std_logic; + signal rcnt_reg_2: std_logic; + signal rcnt_reg_3: std_logic; + signal co1_6: std_logic; + signal ae_set_clrsig: std_logic; + signal ae_set_setsig: std_logic; + signal ae_set_d: std_logic; + signal ae_set_d_c: std_logic; + signal wcnt_sub_0: std_logic; + signal cnt_con_inv: std_logic; + signal cnt_con: std_logic; + signal wcount_0: std_logic; + signal wcnt_sub_1: std_logic; + signal wcnt_sub_2: std_logic; + signal co0_7: std_logic; + signal wcount_1: std_logic; + signal wcount_2: std_logic; + signal wcnt_sub_3: std_logic; + signal wcnt_sub_4: std_logic; + signal co1_7: std_logic; + signal wcount_3: std_logic; + signal wcnt_sub_msb: std_logic; + signal co2_4d: std_logic; + signal co2_4: std_logic; + signal wren_i: std_logic; + signal cmp_ci_3: std_logic; + signal wcnt_reg_0: std_logic; + signal wcnt_reg_1: std_logic; + signal co0_8: std_logic; + signal wcnt_reg_2: std_logic; + signal wcnt_reg_3: std_logic; + signal co1_8: std_logic; + signal wcnt_reg_4: std_logic; + signal af_set: std_logic; + signal af_set_c: std_logic; + signal rdataout18: std_logic; + signal rdataout17: std_logic; + signal rdataout16: std_logic; + signal scuba_vlo: std_logic; + signal rdataout15: std_logic; + signal rdataout14: std_logic; + signal rdataout13: std_logic; + signal rdataout12: std_logic; + signal rdataout11: std_logic; + signal rdataout10: std_logic; + signal rdataout9: std_logic; + signal rdataout8: std_logic; + signal rdataout7: std_logic; + signal rdataout6: std_logic; + signal rdataout5: std_logic; + signal rdataout4: std_logic; + signal rdataout3: std_logic; + signal rdataout2: std_logic; + signal rdataout1: std_logic; + signal rdataout0: std_logic; + signal rptr_3: std_logic; + signal rptr_2: std_logic; + signal rptr_1: std_logic; + signal rptr_0: std_logic; + signal dec0_wre3: std_logic; + signal wptr_3: std_logic; + signal wptr_2: std_logic; + signal wptr_1: std_logic; + signal wptr_0: std_logic; + + -- local component declarations + component AGEB2 + port (A0: in std_logic; A1: in std_logic; B0: in std_logic; + B1: in std_logic; CI: in std_logic; GE: out std_logic); + end component; + component ALEB2 + port (A0: in std_logic; A1: in std_logic; B0: in std_logic; + B1: in std_logic; CI: in std_logic; LE: out std_logic); + end component; + component AND2 + port (A: in std_logic; B: in std_logic; Z: out std_logic); + end component; + component CU2 + port (CI: in std_logic; PC0: in std_logic; PC1: in std_logic; + CO: out std_logic; NC0: out std_logic; NC1: out std_logic); + end component; + component CB2 + port (CI: in std_logic; PC0: in std_logic; PC1: in std_logic; + CON: in std_logic; CO: out std_logic; NC0: out std_logic; + NC1: out std_logic); + end component; + component FADD2B + port (A0: in std_logic; A1: in std_logic; B0: in std_logic; + B1: in std_logic; CI: in std_logic; COUT: out std_logic; + S0: out std_logic; S1: out std_logic); + end component; + component FSUB2B + port (A0: in std_logic; A1: in std_logic; B0: in std_logic; + B1: in std_logic; BI: in std_logic; BOUT: out std_logic; + S0: out std_logic; S1: out std_logic); + end component; + component FD1P3BX + -- synopsys translate_off + generic (GSR : in String); + -- synopsys translate_on + port (D: in std_logic; SP: in std_logic; CK: in std_logic; + PD: in std_logic; Q: out std_logic); + end component; + component FD1P3DX + -- synopsys translate_off + generic (GSR : in String); + -- synopsys translate_on + port (D: in std_logic; SP: in std_logic; CK: in std_logic; + CD: in std_logic; Q: out std_logic); + end component; + component FD1S3BX + -- synopsys translate_off + generic (GSR : in String); + -- synopsys translate_on + port (D: in std_logic; CK: in std_logic; PD: in std_logic; + Q: out std_logic); + end component; + component FD1S3DX + -- synopsys translate_off + generic (GSR : in String); + -- synopsys translate_on + port (D: in std_logic; CK: in std_logic; CD: in std_logic; + Q: out std_logic); + end component; + component INV + port (A: in std_logic; Z: out std_logic); + end component; + component ROM16X1 + -- synopsys translate_off + generic (initval : in String); + -- synopsys translate_on + port (AD3: in std_logic; AD2: in std_logic; AD1: in std_logic; + AD0: in std_logic; DO0: out std_logic); + end component; + component DPR16X4A + port (DI0: in std_logic; DI1: in std_logic; DI2: in std_logic; + DI3: in std_logic; WCK: in std_logic; WRE: in std_logic; + RAD0: in std_logic; RAD1: in std_logic; + RAD2: in std_logic; RAD3: in std_logic; + WAD0: in std_logic; WAD1: in std_logic; + WAD2: in std_logic; WAD3: in std_logic; + DO0: out std_logic; DO1: out std_logic; + DO2: out std_logic; DO3: out std_logic); + end component; + component VHI + port (Z: out std_logic); + end component; + component VLO + port (Z: out std_logic); + end component; + component XOR2 + port (A: in std_logic; B: in std_logic; Z: out std_logic); + end component; + attribute initval : string; + attribute GSR : string; + attribute initval of LUT4_2 : label is "0x3232"; + attribute initval of LUT4_1 : label is "0x3232"; + attribute initval of LUT4_0 : label is "0x8000"; + attribute GSR of FF_57 : label is "ENABLED"; + attribute GSR of FF_56 : label is "ENABLED"; + attribute GSR of FF_55 : label is "ENABLED"; + attribute GSR of FF_54 : label is "ENABLED"; + attribute GSR of FF_53 : label is "ENABLED"; + attribute GSR of FF_52 : label is "ENABLED"; + attribute GSR of FF_51 : label is "ENABLED"; + attribute GSR of FF_50 : label is "ENABLED"; + attribute GSR of FF_49 : label is "ENABLED"; + attribute GSR of FF_48 : label is "ENABLED"; + attribute GSR of FF_47 : label is "ENABLED"; + attribute GSR of FF_46 : label is "ENABLED"; + attribute GSR of FF_45 : label is "ENABLED"; + attribute GSR of FF_44 : label is "ENABLED"; + attribute GSR of FF_43 : label is "ENABLED"; + attribute GSR of FF_42 : label is "ENABLED"; + attribute GSR of FF_41 : label is "ENABLED"; + attribute GSR of FF_40 : label is "ENABLED"; + attribute GSR of FF_39 : label is "ENABLED"; + attribute GSR of FF_38 : label is "ENABLED"; + attribute GSR of FF_37 : label is "ENABLED"; + attribute GSR of FF_36 : label is "ENABLED"; + attribute GSR of FF_35 : label is "ENABLED"; + attribute GSR of FF_34 : label is "ENABLED"; + attribute GSR of FF_33 : label is "ENABLED"; + attribute GSR of FF_32 : label is "ENABLED"; + attribute GSR of FF_31 : label is "ENABLED"; + attribute GSR of FF_30 : label is "ENABLED"; + attribute GSR of FF_29 : label is "ENABLED"; + attribute GSR of FF_28 : label is "ENABLED"; + attribute GSR of FF_27 : label is "ENABLED"; + attribute GSR of FF_26 : label is "ENABLED"; + attribute GSR of FF_25 : label is "ENABLED"; + attribute GSR of FF_24 : label is "ENABLED"; + attribute GSR of FF_23 : label is "ENABLED"; + attribute GSR of FF_22 : label is "ENABLED"; + attribute GSR of FF_21 : label is "ENABLED"; + attribute GSR of FF_20 : label is "ENABLED"; + attribute GSR of FF_19 : label is "ENABLED"; + attribute GSR of FF_18 : label is "ENABLED"; + attribute GSR of FF_17 : label is "ENABLED"; + attribute GSR of FF_16 : label is "ENABLED"; + attribute GSR of FF_15 : label is "ENABLED"; + attribute GSR of FF_14 : label is "ENABLED"; + attribute GSR of FF_13 : label is "ENABLED"; + attribute GSR of FF_12 : label is "ENABLED"; + attribute GSR of FF_11 : label is "ENABLED"; + attribute GSR of FF_10 : label is "ENABLED"; + attribute GSR of FF_9 : label is "ENABLED"; + attribute GSR of FF_8 : label is "ENABLED"; + attribute GSR of FF_7 : label is "ENABLED"; + attribute GSR of FF_6 : label is "ENABLED"; + attribute GSR of FF_5 : label is "ENABLED"; + attribute GSR of FF_4 : label is "ENABLED"; + attribute GSR of FF_3 : label is "ENABLED"; + attribute GSR of FF_2 : label is "ENABLED"; + attribute GSR of FF_1 : label is "ENABLED"; + attribute GSR of FF_0 : label is "ENABLED"; + attribute syn_keep : boolean; + +begin + -- component instantiation statements + AND2_t8: AND2 + port map (A=>WrEn, B=>invout_2, Z=>wren_i); + + INV_8: INV + port map (A=>full_i, Z=>invout_2); + + AND2_t7: AND2 + port map (A=>RdEn, B=>invout_1, Z=>rden_i); + + INV_7: INV + port map (A=>empty_i, Z=>invout_1); + + AND2_t6: AND2 + port map (A=>wren_i, B=>rden_i_inv, Z=>cnt_con); + + XOR2_t5: XOR2 + port map (A=>wren_i, B=>rden_i, Z=>fcnt_en); + + INV_6: INV + port map (A=>rden_i, Z=>rden_i_inv); + + INV_5: INV + port map (A=>wren_i, Z=>wren_i_inv); + + LUT4_2: ROM16X1 + -- synopsys translate_off + generic map (initval=> "0x3232") + -- synopsys translate_on + port map (AD3=>scuba_vlo, AD2=>cmp_le_1, AD1=>wren_i, + AD0=>empty_i, DO0=>empty_d); + + LUT4_1: ROM16X1 + -- synopsys translate_off + generic map (initval=> "0x3232") + -- synopsys translate_on + port map (AD3=>scuba_vlo, AD2=>cmp_ge_d1, AD1=>rden_i, + AD0=>full_i, DO0=>full_d); + + LUT4_0: ROM16X1 + -- synopsys translate_off + generic map (initval=> "0x8000") + -- synopsys translate_on + port map (AD3=>scuba_vhi, AD2=>wren_i, AD1=>scuba_vhi, + AD0=>scuba_vhi, DO0=>dec0_wre3); + + AND2_t4: AND2 + port map (A=>rden_i, B=>invout_0, Z=>r_nw); + + INV_4: INV + port map (A=>wren_i, Z=>invout_0); + + INV_3: INV + port map (A=>r_nw, Z=>r_nw_inv); + + XOR2_t3: XOR2 + port map (A=>wcount_4, B=>rcount_4, Z=>rcnt_sub_msb); + + INV_2: INV + port map (A=>r_nw_inv, Z=>r_nw_inv_inv); + + INV_1: INV + port map (A=>rcnt_reg_3, Z=>rcnt_reg_3_inv); + + AND2_t2: AND2 + port map (A=>rcnt_reg_4, B=>rcnt_reg_3_inv, Z=>ae_set_clrsig); + + AND2_t1: AND2 + port map (A=>rcnt_reg_4, B=>rcnt_reg_3, Z=>ae_set_setsig); + + XOR2_t0: XOR2 + port map (A=>wcount_4, B=>rptr_4, Z=>wcnt_sub_msb); + + INV_0: INV + port map (A=>cnt_con, Z=>cnt_con_inv); + + FF_57: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>ifcount_0, SP=>fcnt_en, CK=>Clock, CD=>Reset, + Q=>fcount_0); + + FF_56: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>ifcount_1, SP=>fcnt_en, CK=>Clock, CD=>Reset, + Q=>fcount_1); + + FF_55: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>ifcount_2, SP=>fcnt_en, CK=>Clock, CD=>Reset, + Q=>fcount_2); + + FF_54: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>ifcount_3, SP=>fcnt_en, CK=>Clock, CD=>Reset, + Q=>fcount_3); + + FF_53: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>ifcount_4, SP=>fcnt_en, CK=>Clock, CD=>Reset, + Q=>fcount_4); + + FF_52: FD1S3BX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>empty_d, CK=>Clock, PD=>Reset, Q=>empty_i); + + FF_51: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>full_d, CK=>Clock, CD=>Reset, Q=>full_i); + + FF_50: FD1P3BX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>iwcount_0, SP=>wren_i, CK=>Clock, PD=>Reset, + Q=>wcount_0); + + FF_49: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>iwcount_1, SP=>wren_i, CK=>Clock, CD=>Reset, + Q=>wcount_1); + + FF_48: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>iwcount_2, SP=>wren_i, CK=>Clock, CD=>Reset, + Q=>wcount_2); + + FF_47: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>iwcount_3, SP=>wren_i, CK=>Clock, CD=>Reset, + Q=>wcount_3); + + FF_46: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>iwcount_4, SP=>wren_i, CK=>Clock, CD=>Reset, + Q=>wcount_4); + + FF_45: FD1P3BX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>ircount_0, SP=>rden_i, CK=>Clock, PD=>Reset, + Q=>rcount_0); + + FF_44: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>ircount_1, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>rcount_1); + + FF_43: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>ircount_2, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>rcount_2); + + FF_42: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>ircount_3, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>rcount_3); + + FF_41: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>ircount_4, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>rcount_4); + + FF_40: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>wcount_0, SP=>wren_i, CK=>Clock, CD=>Reset, + Q=>wptr_0); + + FF_39: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>wcount_1, SP=>wren_i, CK=>Clock, CD=>Reset, + Q=>wptr_1); + + FF_38: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>wcount_2, SP=>wren_i, CK=>Clock, CD=>Reset, + Q=>wptr_2); + + FF_37: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>wcount_3, SP=>wren_i, CK=>Clock, CD=>Reset, + Q=>wptr_3); + + FF_36: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>wcount_4, SP=>wren_i, CK=>Clock, CD=>Reset, + Q=>wptr_4); + + FF_35: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rcount_0, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>rptr_0); + + FF_34: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rcount_1, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>rptr_1); + + FF_33: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rcount_2, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>rptr_2); + + FF_32: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rcount_3, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>rptr_3); + + FF_31: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rcount_4, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>rptr_4); + + FF_30: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout0, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(0)); + + FF_29: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout1, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(1)); + + FF_28: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout2, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(2)); + + FF_27: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout3, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(3)); + + FF_26: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout4, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(4)); + + FF_25: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout5, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(5)); + + FF_24: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout6, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(6)); + + FF_23: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout7, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(7)); + + FF_22: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout8, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(8)); + + FF_21: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout9, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(9)); + + FF_20: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout10, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(10)); + + FF_19: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout11, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(11)); + + FF_18: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout12, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(12)); + + FF_17: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout13, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(13)); + + FF_16: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout14, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(14)); + + FF_15: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout15, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(15)); + + FF_14: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout16, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(16)); + + FF_13: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout17, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(17)); + + FF_12: FD1P3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rdataout18, SP=>rden_i, CK=>Clock, CD=>Reset, + Q=>Q(18)); + + FF_11: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rcnt_sub_0, CK=>Clock, CD=>Reset, Q=>rcnt_reg_0); + + FF_10: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rcnt_sub_1, CK=>Clock, CD=>Reset, Q=>rcnt_reg_1); + + FF_9: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rcnt_sub_2, CK=>Clock, CD=>Reset, Q=>rcnt_reg_2); + + FF_8: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rcnt_sub_3, CK=>Clock, CD=>Reset, Q=>rcnt_reg_3); + + FF_7: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>rcnt_sub_4, CK=>Clock, CD=>Reset, Q=>rcnt_reg_4); + + FF_6: FD1S3BX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>ae_set_d, CK=>Clock, PD=>Reset, Q=>AlmostEmpty); + + FF_5: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>wcnt_sub_0, CK=>Clock, CD=>Reset, Q=>wcnt_reg_0); + + FF_4: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>wcnt_sub_1, CK=>Clock, CD=>Reset, Q=>wcnt_reg_1); + + FF_3: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>wcnt_sub_2, CK=>Clock, CD=>Reset, Q=>wcnt_reg_2); + + FF_2: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>wcnt_sub_3, CK=>Clock, CD=>Reset, Q=>wcnt_reg_3); + + FF_1: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>wcnt_sub_4, CK=>Clock, CD=>Reset, Q=>wcnt_reg_4); + + FF_0: FD1S3DX + -- synopsys translate_off + generic map (GSR=> "ENABLED") + -- synopsys translate_on + port map (D=>af_set, CK=>Clock, CD=>Reset, Q=>AlmostFull); + + bdcnt_bctr_cia: FADD2B + port map (A0=>scuba_vlo, A1=>cnt_con, B0=>scuba_vlo, B1=>cnt_con, + CI=>scuba_vlo, COUT=>bdcnt_bctr_ci, S0=>open, S1=>open); + + bdcnt_bctr_0: CB2 + port map (CI=>bdcnt_bctr_ci, PC0=>fcount_0, PC1=>fcount_1, + CON=>cnt_con, CO=>co0, NC0=>ifcount_0, NC1=>ifcount_1); + + bdcnt_bctr_1: CB2 + port map (CI=>co0, PC0=>fcount_2, PC1=>fcount_3, CON=>cnt_con, + CO=>co1, NC0=>ifcount_2, NC1=>ifcount_3); + + bdcnt_bctr_2: CB2 + port map (CI=>co1, PC0=>fcount_4, PC1=>scuba_vlo, CON=>cnt_con, + CO=>co2, NC0=>ifcount_4, NC1=>open); + + e_cmp_ci_a: FADD2B + port map (A0=>scuba_vhi, A1=>scuba_vhi, B0=>scuba_vhi, + B1=>scuba_vhi, CI=>scuba_vlo, COUT=>cmp_ci, S0=>open, + S1=>open); + + e_cmp_0: ALEB2 + port map (A0=>fcount_0, A1=>fcount_1, B0=>rden_i, B1=>scuba_vlo, + CI=>cmp_ci, LE=>co0_1); + + e_cmp_1: ALEB2 + port map (A0=>fcount_2, A1=>fcount_3, B0=>scuba_vlo, + B1=>scuba_vlo, CI=>co0_1, LE=>co1_1); + + e_cmp_2: ALEB2 + port map (A0=>fcount_4, A1=>scuba_vlo, B0=>scuba_vlo, + B1=>scuba_vlo, CI=>co1_1, LE=>cmp_le_1_c); + + a0: FADD2B + port map (A0=>scuba_vlo, A1=>scuba_vlo, B0=>scuba_vlo, + B1=>scuba_vlo, CI=>cmp_le_1_c, COUT=>open, S0=>cmp_le_1, + S1=>open); + + g_cmp_ci_a: FADD2B + port map (A0=>scuba_vhi, A1=>scuba_vhi, B0=>scuba_vhi, + B1=>scuba_vhi, CI=>scuba_vlo, COUT=>cmp_ci_1, S0=>open, + S1=>open); + + g_cmp_0: AGEB2 + port map (A0=>fcount_0, A1=>fcount_1, B0=>wren_i, B1=>wren_i, + CI=>cmp_ci_1, GE=>co0_2); + + g_cmp_1: AGEB2 + port map (A0=>fcount_2, A1=>fcount_3, B0=>wren_i, B1=>wren_i, + CI=>co0_2, GE=>co1_2); + + g_cmp_2: AGEB2 + port map (A0=>fcount_4, A1=>scuba_vlo, B0=>wren_i_inv, + B1=>scuba_vlo, CI=>co1_2, GE=>cmp_ge_d1_c); + + a1: FADD2B + port map (A0=>scuba_vlo, A1=>scuba_vlo, B0=>scuba_vlo, + B1=>scuba_vlo, CI=>cmp_ge_d1_c, COUT=>open, S0=>cmp_ge_d1, + S1=>open); + + w_ctr_cia: FADD2B + port map (A0=>scuba_vlo, A1=>scuba_vhi, B0=>scuba_vlo, + B1=>scuba_vhi, CI=>scuba_vlo, COUT=>w_ctr_ci, S0=>open, + S1=>open); + + w_ctr_0: CU2 + port map (CI=>w_ctr_ci, PC0=>wcount_0, PC1=>wcount_1, CO=>co0_3, + NC0=>iwcount_0, NC1=>iwcount_1); + + w_ctr_1: CU2 + port map (CI=>co0_3, PC0=>wcount_2, PC1=>wcount_3, CO=>co1_3, + NC0=>iwcount_2, NC1=>iwcount_3); + + w_ctr_2: CU2 + port map (CI=>co1_3, PC0=>wcount_4, PC1=>scuba_vlo, CO=>co2_1, + NC0=>iwcount_4, NC1=>open); + + scuba_vhi_inst: VHI + port map (Z=>scuba_vhi); + + r_ctr_cia: FADD2B + port map (A0=>scuba_vlo, A1=>scuba_vhi, B0=>scuba_vlo, + B1=>scuba_vhi, CI=>scuba_vlo, COUT=>r_ctr_ci, S0=>open, + S1=>open); + + r_ctr_0: CU2 + port map (CI=>r_ctr_ci, PC0=>rcount_0, PC1=>rcount_1, CO=>co0_4, + NC0=>ircount_0, NC1=>ircount_1); + + r_ctr_1: CU2 + port map (CI=>co0_4, PC0=>rcount_2, PC1=>rcount_3, CO=>co1_4, + NC0=>ircount_2, NC1=>ircount_3); + + r_ctr_2: CU2 + port map (CI=>co1_4, PC0=>rcount_4, PC1=>scuba_vlo, CO=>co2_2, + NC0=>ircount_4, NC1=>open); + + rcnt_0: FSUB2B + port map (A0=>r_nw_inv, A1=>wcount_0, B0=>r_nw_inv_inv, + B1=>rcount_0, BI=>scuba_vlo, BOUT=>co0_5, S0=>open, + S1=>rcnt_sub_0); + + rcnt_1: FSUB2B + port map (A0=>wcount_1, A1=>wcount_2, B0=>rcount_1, B1=>rcount_2, + BI=>co0_5, BOUT=>co1_5, S0=>rcnt_sub_1, S1=>rcnt_sub_2); + + rcnt_2: FSUB2B + port map (A0=>wcount_3, A1=>rcnt_sub_msb, B0=>rcount_3, + B1=>scuba_vlo, BI=>co1_5, BOUT=>co2_3, S0=>rcnt_sub_3, + S1=>rcnt_sub_4); + + rcntd: FADD2B + port map (A0=>scuba_vlo, A1=>scuba_vlo, B0=>scuba_vlo, + B1=>scuba_vlo, CI=>co2_3, COUT=>open, S0=>co2_3d, S1=>open); + + ae_set_cmp_ci_a: FADD2B + port map (A0=>scuba_vlo, A1=>rden_i, B0=>scuba_vlo, B1=>rden_i, + CI=>scuba_vlo, COUT=>cmp_ci_2, S0=>open, S1=>open); + + ae_set_cmp_0: AGEB2 + port map (A0=>AmEmptyThresh(0), A1=>AmEmptyThresh(1), + B0=>rcnt_reg_0, B1=>rcnt_reg_1, CI=>cmp_ci_2, GE=>co0_6); + + ae_set_cmp_1: AGEB2 + port map (A0=>AmEmptyThresh(2), A1=>AmEmptyThresh(3), + B0=>rcnt_reg_2, B1=>rcnt_reg_3, CI=>co0_6, GE=>co1_6); + + ae_set_cmp_2: AGEB2 + port map (A0=>ae_set_setsig, A1=>scuba_vlo, B0=>ae_set_clrsig, + B1=>scuba_vlo, CI=>co1_6, GE=>ae_set_d_c); + + a2: FADD2B + port map (A0=>scuba_vlo, A1=>scuba_vlo, B0=>scuba_vlo, + B1=>scuba_vlo, CI=>ae_set_d_c, COUT=>open, S0=>ae_set_d, + S1=>open); + + wcnt_0: FSUB2B + port map (A0=>cnt_con, A1=>wcount_0, B0=>cnt_con_inv, B1=>rptr_0, + BI=>scuba_vlo, BOUT=>co0_7, S0=>open, S1=>wcnt_sub_0); + + wcnt_1: FSUB2B + port map (A0=>wcount_1, A1=>wcount_2, B0=>rptr_1, B1=>rptr_2, + BI=>co0_7, BOUT=>co1_7, S0=>wcnt_sub_1, S1=>wcnt_sub_2); + + wcnt_2: FSUB2B + port map (A0=>wcount_3, A1=>wcnt_sub_msb, B0=>rptr_3, + B1=>scuba_vlo, BI=>co1_7, BOUT=>co2_4, S0=>wcnt_sub_3, + S1=>wcnt_sub_4); + + wcntd: FADD2B + port map (A0=>scuba_vlo, A1=>scuba_vlo, B0=>scuba_vlo, + B1=>scuba_vlo, CI=>co2_4, COUT=>open, S0=>co2_4d, S1=>open); + + af_set_cmp_ci_a: FADD2B + port map (A0=>scuba_vlo, A1=>wren_i, B0=>scuba_vlo, B1=>wren_i, + CI=>scuba_vlo, COUT=>cmp_ci_3, S0=>open, S1=>open); + + af_set_cmp_0: AGEB2 + port map (A0=>wcnt_reg_0, A1=>wcnt_reg_1, B0=>AmFullThresh(0), + B1=>AmFullThresh(1), CI=>cmp_ci_3, GE=>co0_8); + + af_set_cmp_1: AGEB2 + port map (A0=>wcnt_reg_2, A1=>wcnt_reg_3, B0=>AmFullThresh(2), + B1=>AmFullThresh(3), CI=>co0_8, GE=>co1_8); + + af_set_cmp_2: AGEB2 + port map (A0=>wcnt_reg_4, A1=>scuba_vlo, B0=>scuba_vlo, + B1=>scuba_vlo, CI=>co1_8, GE=>af_set_c); + + a3: FADD2B + port map (A0=>scuba_vlo, A1=>scuba_vlo, B0=>scuba_vlo, + B1=>scuba_vlo, CI=>af_set_c, COUT=>open, S0=>af_set, + S1=>open); + + scuba_vlo_inst: VLO + port map (Z=>scuba_vlo); + + fifo_pfu_0_0: DPR16X4A + port map (DI0=>Data(16), DI1=>Data(17), DI2=>Data(18), + DI3=>scuba_vlo, WCK=>Clock, WRE=>dec0_wre3, RAD0=>rptr_0, + RAD1=>rptr_1, RAD2=>rptr_2, RAD3=>rptr_3, WAD0=>wptr_0, + WAD1=>wptr_1, WAD2=>wptr_2, WAD3=>wptr_3, DO0=>rdataout16, + DO1=>rdataout17, DO2=>rdataout18, DO3=>open); + + fifo_pfu_0_1: DPR16X4A + port map (DI0=>Data(12), DI1=>Data(13), DI2=>Data(14), + DI3=>Data(15), WCK=>Clock, WRE=>dec0_wre3, RAD0=>rptr_0, + RAD1=>rptr_1, RAD2=>rptr_2, RAD3=>rptr_3, WAD0=>wptr_0, + WAD1=>wptr_1, WAD2=>wptr_2, WAD3=>wptr_3, DO0=>rdataout12, + DO1=>rdataout13, DO2=>rdataout14, DO3=>rdataout15); + + fifo_pfu_0_2: DPR16X4A + port map (DI0=>Data(8), DI1=>Data(9), DI2=>Data(10), + DI3=>Data(11), WCK=>Clock, WRE=>dec0_wre3, RAD0=>rptr_0, + RAD1=>rptr_1, RAD2=>rptr_2, RAD3=>rptr_3, WAD0=>wptr_0, + WAD1=>wptr_1, WAD2=>wptr_2, WAD3=>wptr_3, DO0=>rdataout8, + DO1=>rdataout9, DO2=>rdataout10, DO3=>rdataout11); + + fifo_pfu_0_3: DPR16X4A + port map (DI0=>Data(4), DI1=>Data(5), DI2=>Data(6), DI3=>Data(7), + WCK=>Clock, WRE=>dec0_wre3, RAD0=>rptr_0, RAD1=>rptr_1, + RAD2=>rptr_2, RAD3=>rptr_3, WAD0=>wptr_0, WAD1=>wptr_1, + WAD2=>wptr_2, WAD3=>wptr_3, DO0=>rdataout4, DO1=>rdataout5, + DO2=>rdataout6, DO3=>rdataout7); + + fifo_pfu_0_4: DPR16X4A + port map (DI0=>Data(0), DI1=>Data(1), DI2=>Data(2), DI3=>Data(3), + WCK=>Clock, WRE=>dec0_wre3, RAD0=>rptr_0, RAD1=>rptr_1, + RAD2=>rptr_2, RAD3=>rptr_3, WAD0=>wptr_0, WAD1=>wptr_1, + WAD2=>wptr_2, WAD3=>wptr_3, DO0=>rdataout0, DO1=>rdataout1, + DO2=>rdataout2, DO3=>rdataout3); + + Empty <= empty_i; + Full <= full_i; +end Structure; + +-- synopsys translate_off +library ecp2m; +configuration Structure_CON of fifo_19x16_obuf is + for Structure + for all:AGEB2 use entity ecp2m.AGEB2(V); end for; + for all:ALEB2 use entity ecp2m.ALEB2(V); end for; + for all:AND2 use entity ecp2m.AND2(V); end for; + for all:CU2 use entity ecp2m.CU2(V); end for; + for all:CB2 use entity ecp2m.CB2(V); end for; + for all:FADD2B use entity ecp2m.FADD2B(V); end for; + for all:FSUB2B use entity ecp2m.FSUB2B(V); end for; + for all:FD1P3BX use entity ecp2m.FD1P3BX(V); end for; + for all:FD1P3DX use entity ecp2m.FD1P3DX(V); end for; + for all:FD1S3BX use entity ecp2m.FD1S3BX(V); end for; + for all:FD1S3DX use entity ecp2m.FD1S3DX(V); end for; + for all:INV use entity ecp2m.INV(V); end for; + for all:ROM16X1 use entity ecp2m.ROM16X1(V); end for; + for all:DPR16X4A use entity ecp2m.DPR16X4A(V); end for; + for all:VHI use entity ecp2m.VHI(V); end for; + for all:VLO use entity ecp2m.VLO(V); end for; + for all:XOR2 use entity ecp2m.XOR2(V); end for; + end for; +end Structure_CON; + +-- synopsys translate_on diff --git a/lattice/ecp2m/lattice_ecp2m_fifo.vhd b/lattice/ecp2m/lattice_ecp2m_fifo.vhd index f394524..a580566 100644 --- a/lattice/ecp2m/lattice_ecp2m_fifo.vhd +++ b/lattice/ecp2m/lattice_ecp2m_fifo.vhd @@ -256,7 +256,21 @@ package lattice_ecp2m_fifo is ); end component; - + component fifo_19x16_obuf is + port ( + Data: in std_logic_vector(18 downto 0); + Clock: in std_logic; + WrEn: in std_logic; + RdEn: in std_logic; + Reset: in std_logic; + AmEmptyThresh: in std_logic_vector(3 downto 0); + AmFullThresh: in std_logic_vector(3 downto 0); + Q: out std_logic_vector(18 downto 0); + Empty: out std_logic; + Full: out std_logic; + AlmostEmpty: out std_logic; + AlmostFull: out std_logic); + end component; diff --git a/trb_net16_sbuf.vhd b/trb_net16_sbuf.vhd index a324532..74e726e 100644 --- a/trb_net16_sbuf.vhd +++ b/trb_net16_sbuf.vhd @@ -18,6 +18,7 @@ use work.trb_net_components.all; -- VERSION=2 8 words deep fifo -- VERSION=3 3 register stages, no combinatorial path -- VERSION=4 1 stage, combinatorial read, uses different port logic! +-- VERSION=5 fifo that forwards only complete packets - Lattice only! -- -- This is a wrapper for the normal sbuf that provides two data ports sharing -- the same logic. @@ -140,5 +141,21 @@ begin ); end generate; + gen_version_5 : if VERSION = 5 generate + sbuf: trb_net_sbuf5 + port map( + CLK => CLK, + RESET => RESET, + CLK_EN => CLK_EN, + COMB_DATAREADY_IN => COMB_DATAREADY_IN, + COMB_next_READ_OUT => COMB_next_READ_OUT, + COMB_DATA_IN => comb_in, + SYN_DATAREADY_OUT => SYN_DATAREADY_OUT, + SYN_DATA_OUT => syn_out, + SYN_READ_IN => SYN_READ_IN, + STAT_BUFFER => STAT_BUFFER + ); + end generate; + end architecture; diff --git a/trb_net_components.vhd b/trb_net_components.vhd index 38dc474..3e6e4e5 100644 --- a/trb_net_components.vhd +++ b/trb_net_components.vhd @@ -2324,7 +2324,24 @@ package trb_net_components is ); end component; - + component trb_net_sbuf5 is + port( + -- Misc + CLK : in std_logic; + RESET : in std_logic; + CLK_EN : in std_logic; + -- input + COMB_DATAREADY_IN : in STD_LOGIC; + COMB_next_READ_OUT : out STD_LOGIC; + COMB_DATA_IN : in STD_LOGIC_VECTOR (18 downto 0); + -- output + SYN_DATAREADY_OUT : out STD_LOGIC; + SYN_DATA_OUT : out STD_LOGIC_VECTOR (18 downto 0); -- Data word + SYN_READ_IN : in STD_LOGIC; + -- Status and control port + STAT_BUFFER : out STD_LOGIC + ); + end component; component slv_mac_memory is port( diff --git a/trb_net_sbuf5.vhd b/trb_net_sbuf5.vhd new file mode 100644 index 0000000..7736732 --- /dev/null +++ b/trb_net_sbuf5.vhd @@ -0,0 +1,78 @@ + +LIBRARY IEEE; +USE IEEE.STD_LOGIC_1164.ALL; +USE IEEE.numeric_std.all; + +library work; +use work.trb_net_std.all; + +entity trb_net_sbuf5 is + port( + -- Misc + CLK : in std_logic; + RESET : in std_logic; + CLK_EN : in std_logic; + -- input + COMB_DATAREADY_IN : in STD_LOGIC; + COMB_next_READ_OUT : out STD_LOGIC; + COMB_DATA_IN : in STD_LOGIC_VECTOR (18 downto 0); + -- output + SYN_DATAREADY_OUT : out STD_LOGIC; + SYN_DATA_OUT : out STD_LOGIC_VECTOR (18 downto 0); -- Data word + SYN_READ_IN : in STD_LOGIC; + -- Status and control port + STAT_BUFFER : out STD_LOGIC + ); +end entity; + +architecture trb_net_sbuf5_arch of trb_net_sbuf5 is + + signal data_i : std_logic_vector(18 downto 0); + signal data_o : std_logic_vector(18 downto 0); + signal wr_en : std_logic; + signal rd_en : std_logic; + signal almostempty : std_logic; + signal almostfull : std_logic; + signal almostemptythresh : std_logic_vector(3 downto 0); + signal almostfullthresh : std_logic_vector(3 downto 0); + signal fifo_reset : std_logic; + signal full : std_logic; + signal empty : std_logic; + + +begin + +--------------------------------------------------------------------- +-- I/O +--------------------------------------------------------------------- + + data_i <= COMB_DATA_IN; + wr_en <= COMB_DATAREADY_IN; + COMB_next_READ_OUT <= not almostfull; + +--------------------------------------------------------------------- +-- Fifo +--------------------------------------------------------------------- + + THE_FIFO : fifo_19x16_obuf is + port ( + Data => data_i, + Clock => CLK, + WrEn => wr_en, + RdEn => rd_en, + Reset => fifo_reset, + AmEmptyThresh => x"5", + AmFullThresh => x"C", + Q => data_o, + Empty => empty, + Full => full, + AlmostEmpty => almostempty, + AlmostFull => almostfull + ); + +--------------------------------------------------------------------- +-- Read control +--------------------------------------------------------------------- + +end architecture; +