sdrm_t.sch

这是我从网上找到的用vhdl语言写的sdram控制器的代码。我的邮箱：[e-mail]

        END BLOCK
        BEGIN BLOCK XLXI_70 or3
            PIN I0 XLXN_344
            PIN I1 p_auto_ref
            PIN I2 auto_ref_out
            PIN O kid
        END BLOCK
        BEGIN BLOCK XLXI_6 sdrmc_state
            PIN Reset locked_i
            PIN Clk clk_i
            PIN brst_end brst_end
            PIN cslt_end cslt_end
            PIN rcd_end rcd_end
            PIN auto_ref auto_ref_in
            PIN ki_end ki_end
            PIN clr_ref clr_ref
            PIN write_st write_st
            PIN Act_st(2:0) Act_st(2:0)
            PIN pre_sd_doe_n pre_sd_doe_n
            PIN pre_sd_doe2_n pre_sd_doe2_n
            PIN pre_sd_ready pre_sd_ready
            PIN pre_sd_add_mx pre_sd_add_mx
            PIN pre_sd_ras_p pre_sd_ras_p
            PIN pre_sd_we_p pre_sd_we_p
            PIN pre_clr_ref pre_clr_ref
            PIN pre_sd_cas_p pre_sd_cas_p
            PIN pre_ld_cslt pre_ld_cslt
            PIN pre_ad_tri pre_ad_tri
            PIN pre_ld_rcd pre_ld_rcd
            PIN pre_ld_brst pre_ld_brst
        END BLOCK
        BEGIN BLOCK XLXI_122 inv
            PIN I brst_end_m1
            PIN O XLXN_513
        END BLOCK
        BEGIN BLOCK XLXI_125 inv
            PIN I pre_sd_doe_n
            PIN O XLXN_512
        END BLOCK
        BEGIN BLOCK XLXI_127 and3
            PIN I0 XLXN_512
            PIN I1 XLXN_511
            PIN I2 XLXN_513
            PIN O XLXN_515
        END BLOCK
        BEGIN BLOCK XLXI_129 or2
            PIN I0 XLXN_517
            PIN I1 XLXN_515
            PIN O XLXN_627
        END BLOCK
        BEGIN BLOCK XLXI_126 inv
            PIN I pre_sd_doe2_n
            PIN O XLXN_514
        END BLOCK
        BEGIN BLOCK XLXI_124 inv
            PIN I brst_end
            PIN O XLXN_511
        END BLOCK
        BEGIN BLOCK XLXI_154 inv
            PIN I XLXN_627
            PIN O XLXN_632
        END BLOCK
        BEGIN BLOCK XLXI_155 inv
            PIN I XLXN_627
            PIN O XLXN_633
        END BLOCK
        BEGIN BLOCK XLXI_156 inv
            PIN I XLXN_627
            PIN O XLXN_634
        END BLOCK
        BEGIN BLOCK XLXI_152 inv
            PIN I XLXN_627
            PIN O XLXN_631
        END BLOCK
        BEGIN BLOCK XLXI_159 mux2to1_9
            PIN s locked_i
            PIN in_0(8:0) XLXN_671(8:0)
            PIN in_1(8:0) XLXN_703(8:0)
            PIN out_y(8:0) XLXN_635(8:0)
        END BLOCK
        BEGIN BLOCK XLXI_166 mux2to1_4
            PIN s locked_i
            PIN in_0(3:0) XLXN_670(3:0)
            PIN in_1(3:0) sd_doe_n_temp(3:0)
            PIN out_y(3:0) XLXN_636(3:0)
        END BLOCK
        BEGIN BLOCK XLXI_169 mux2to1_11
            PIN s locked_i
            PIN in_0(10:0) XLXN_669(10:0)
            PIN in_1(10:0) XLXN_638(10:0)
            PIN out_y(10:0) XLXN_637(10:0)
        END BLOCK
        BEGIN BLOCK XLXI_170 mux2to1_11
            PIN s sd_add_mx
            PIN in_0(10:0) XLXN_667(10:0)
            PIN in_1(10:0) Add_reg(20:10)
            PIN out_y(10:0) XLXN_638(10:0)
        END BLOCK
        BEGIN BLOCK XLXI_167 fd_9
            PIN q(8:0) XLXN_672(8:0)
            PIN clk clk_i
            PIN d(8:0) XLXN_635(8:0)
        END BLOCK
        BEGIN BLOCK XLXI_164 fd_4
            PIN q(3:0) sd_doe_n(3:0)
            PIN clk clk_i
            PIN d(3:0) XLXN_636(3:0)
        END BLOCK
        BEGIN BLOCK XLXI_168 fd_11
            PIN q(10:0) sd_add_o(10:0)
            PIN d(10:0) XLXN_637(10:0)
            PIN clk clk_i
            PIN clr XLXN_885
        END BLOCK
        BEGIN BLOCK XLXI_22 srl16
            PIN A0 XLXN_717
            PIN A1 XLXN_717
            PIN A2 XLXN_716
            PIN A3 XLXN_717
            PIN CLK clk_j
            PIN D pre_locked
            PIN Q Locked_j
        END BLOCK
        BEGIN BLOCK XLXI_66 gnd
            PIN G XLXN_717
        END BLOCK
        BEGIN BLOCK XLXI_67 vcc
            PIN P XLXN_716
        END BLOCK
        BEGIN BLOCK XLXI_187 and2
            PIN I0 Locked2
            PIN I1 Locked1
            PIN O pre_locked
        END BLOCK
        BEGIN BLOCK XLXI_186 fd
            PIN C clk_i
            PIN D Locked_j
            PIN Q locked_i
        END BLOCK
        BEGIN BLOCK XLXI_174 fde
            PIN C clk_i
            PIN CE locked_i
            PIN D pre_ld_brst
            PIN Q ld_brst
        END BLOCK
        BEGIN BLOCK XLXI_173 fde
            PIN C clk_i
            PIN CE locked_i
            PIN D pre_ad_tri
            PIN Q XLXN_759
        END BLOCK
        BEGIN BLOCK XLXI_128 and2
            PIN I0 rcd_end
            PIN I1 XLXN_514
            PIN O XLXN_517
        END BLOCK
        BEGIN BLOCK XLXI_188 gnd
            PIN G XLXN_885
        END BLOCK
    END NETLIST
    BEGIN SHEET 1 5440 3520
        BEGIN INSTANCE XLXI_2 1312 976 R0
        END INSTANCE
        BEGIN BRANCH cas_lat_max(1:0)
            WIRE 368 1024 1296 1024
            WIRE 1296 944 1312 944
            WIRE 1296 944 1296 1024
        END BRANCH
        BEGIN BRANCH ld_cslt
            WIRE 1232 304 2288 304
            WIRE 2288 304 4800 304
            WIRE 4800 304 4800 1200
            WIRE 1232 304 1232 880
            WIRE 1232 880 1312 880
            BEGIN DISPLAY 2288 304 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH burst_max(2:0)
            WIRE 352 944 656 944
        END BRANCH
        BEGIN BRANCH rcd_c_max(1:0)
            WIRE 352 1312 656 1312
        END BRANCH
        BEGIN BRANCH ld_rcd
            WIRE 432 256 2288 256
            WIRE 2288 256 4816 256
            WIRE 4816 256 4816 1184
            WIRE 432 256 432 1248
            WIRE 432 1248 656 1248
            BEGIN DISPLAY 2288 256 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH cslt_end
            WIRE 1696 752 1760 752
            WIRE 1760 752 1760 944
            WIRE 1760 944 2304 944
            WIRE 2304 944 2336 944
            BEGIN DISPLAY 2304 944 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH rcd_end
            WIRE 1040 1120 1632 1120
            WIRE 1632 1008 1632 1120
            WIRE 1632 1008 2096 1008
            WIRE 2096 1008 2336 1008
            WIRE 2096 704 2096 1008
            WIRE 2096 704 2928 704
            WIRE 2928 704 2928 880
            WIRE 2928 880 3184 880
            WIRE 2928 880 2928 944
            WIRE 2928 944 5008 944
        END BRANCH
        BEGIN BRANCH auto_ref_in
            WIRE 2080 1072 2336 1072
        END BRANCH
        BEGIN BRANCH write_st
            WIRE 2048 1264 2336 1264
        END BRANCH
        BEGIN BRANCH Act_st(2:0)
            WIRE 2080 1328 2336 1328
        END BRANCH
        BEGIN INSTANCE XLXI_1 656 976 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_4 656 1344 R0
        END INSTANCE
        BEGIN BRANCH ki_max(3:0)
            WIRE 320 1984 1312 1984
        END BRANCH
        BEGIN BRANCH ad_tri
            WIRE 2528 2144 2560 2144
        END BRANCH
        BEGIN BRANCH XLXN_232
            WIRE 2000 2400 2144 2400
        END BRANCH
        BEGIN BRANCH XLXN_233
            WIRE 2096 2272 2144 2272
            WIRE 2096 2272 2096 2336
            WIRE 2096 2336 2144 2336
            WIRE 2096 2336 2096 2464
            WIRE 2096 2464 2096 2496
            WIRE 2096 2464 2144 2464
        END BRANCH
        INSTANCE XLXI_23 2144 2592 R0
        INSTANCE XLXI_68 2032 2624 R0
        INSTANCE XLXI_69 1936 2400 R0
        BEGIN INSTANCE XLXI_3 1312 2016 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_5 1312 1696 R0
        END INSTANCE
        BEGIN BRANCH auto_ref_out
            WIRE 1696 1472 2000 1472
            WIRE 2000 1472 2000 1600
            WIRE 2000 1472 2240 1472
            WIRE 2240 1472 2240 1552
            WIRE 2240 1552 2496 1552
        END BRANCH
        BEGIN BRANCH p_auto_ref
            WIRE 1696 1664 1888 1664
            WIRE 1888 1664 2000 1664
            BEGIN DISPLAY 1888 1664 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH ki_end
            WIRE 1696 1792 1760 1792
            WIRE 1760 1792 1776 1792
            WIRE 1760 1136 1760 1792
            WIRE 1760 1136 2288 1136
            WIRE 2288 1136 2336 1136
            BEGIN DISPLAY 2288 1136 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        INSTANCE XLXI_92 1776 1824 R0
        INSTANCE XLXI_70 2000 1792 R0
        BEGIN BRANCH XLXN_344
            WIRE 2000 1728 2000 1792
        END BRANCH
        BEGIN BRANCH kid
            WIRE 2256 1664 2592 1664
        END BRANCH
        BEGIN BRANCH pre_sd_ready
            WIRE 2720 880 2784 880
            WIRE 2784 880 2816 880
            BEGIN DISPLAY 2784 880 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_clr_ref
            WIRE 2720 1136 2768 1136
            WIRE 2768 1136 2816 1136
            BEGIN DISPLAY 2768 1136 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_ld_brst
            WIRE 2720 1392 2768 1392
            WIRE 2768 1392 2848 1392
            WIRE 2848 1392 2848 2176
            WIRE 2848 2176 4288 2176
            BEGIN DISPLAY 2768 1392 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_ld_rcd
            WIRE 2720 1328 2768 1328
            WIRE 2768 1328 2816 1328
            BEGIN DISPLAY 2768 1328 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_sd_add_mx
            WIRE 2720 944 2784 944
            WIRE 2784 944 2800 944
            BEGIN DISPLAY 2784 944 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_sd_doe2_n
            WIRE 2720 816 2816 816
            WIRE 2816 816 2944 816
            BEGIN DISPLAY 2816 816 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_sd_doe_n
            WIRE 2720 752 2816 752
            WIRE 2816 752 2944 752
            WIRE 2944 736 2944 752
            BEGIN DISPLAY 2816 752 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_ld_cslt
            WIRE 2720 1264 2768 1264
            WIRE 2768 1264 2816 1264
            BEGIN DISPLAY 2768 1264 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_sd_we_p
            WIRE 2720 1072 2784 1072
            WIRE 2784 1072 2816 1072
            BEGIN DISPLAY 2784 1072 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_sd_cas_p
            WIRE 2720 1200 2784 1200
            WIRE 2784 1200 2816 1200
            BEGIN DISPLAY 2784 1200 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_sd_ras_p
            WIRE 2720 1008 2784 1008
            WIRE 2784 1008 2816 1008
            BEGIN DISPLAY 2784 1008 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN INSTANCE XLXI_6 2336 1488 R0
        END INSTANCE
        INSTANCE XLXI_122 2944 608 R0
        INSTANCE XLXI_125 2944 768 R0
        INSTANCE XLXI_127 3184 784 R0
        BEGIN BRANCH XLXN_511
            WIRE 3168 656 3184 656
        END BRANCH
        BEGIN BRANCH XLXN_512
            WIRE 3168 736 3184 736
            WIRE 3184 720 3184 736
        END BRANCH
        BEGIN BRANCH XLXN_513
            WIRE 3168 576 3184 576
            WIRE 3184 576 3184 592
        END BRANCH
        BEGIN BRANCH XLXN_514
            WIRE 3168 816 3184 816
        END BRANCH
        BEGIN BRANCH XLXN_515
            WIRE 3440 656 3456 656
            WIRE 3456 656 3456 720
            WIRE 3456 720 3472 720
        END BRANCH
        INSTANCE XLXI_129 3472 848 R0
        BEGIN BRANCH XLXN_517
            WIRE 3440 848 3456 848
            WIRE 3456 784 3472 784
            WIRE 3456 784 3456 848
        END BRANCH
        INSTANCE XLXI_126 2944 848 R0
        INSTANCE XLXI_124 2944 688 R0
        INSTANCE XLXI_154 3792 736 R0
        INSTANCE XLXI_155 3792 816 R0
        INSTANCE XLXI_156 3792 896 R0
        INSTANCE XLXI_152 3792 656 R0
        BEGIN BRANCH XLXN_627
            WIRE 3728 752 3760 752
            WIRE 3760 752 3760 784
            WIRE 3760 784 3792 784
            WIRE 3760 784 3760 864
            WIRE 3760 864 3792 864
            WIRE 3760 624 3792 624
            WIRE 3760 624 3760 704
            WIRE 3760 704 3760 752
            WIRE 3760 704 3792 704
        END BRANCH
        BEGIN BRANCH XLXN_631
            WIRE 4016 624 4048 624