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 BRANCH
        BEGIN BRANCH XLXN_632
            WIRE 4016 704 4048 704
        END BRANCH
        BEGIN BRANCH XLXN_633
            WIRE 4016 784 4048 784
        END BRANCH
        BEGIN BRANCH XLXN_634
            WIRE 4016 864 4048 864
        END BRANCH
        BUSTAP 4144 624 4048 624
        BUSTAP 4144 704 4048 704
        BUSTAP 4144 784 4048 784
        BUSTAP 4144 864 4048 864
        BEGIN BRANCH XLXN_637(10:0)
            WIRE 4112 1712 4192 1712
            WIRE 4192 1712 4192 1744
            WIRE 4192 1744 4288 1744
        END BRANCH
        BEGIN BRANCH XLXN_638(10:0)
            WIRE 3648 1840 3728 1840
            WIRE 3648 1840 3648 1920
            WIRE 3648 1920 4176 1920
            WIRE 4176 1920 4176 1968
            WIRE 4112 1968 4176 1968
        END BRANCH
        BEGIN BRANCH XLXN_636(3:0)
            WIRE 4112 1456 4192 1456
            WIRE 4192 1456 4192 1536
            WIRE 4192 1536 4288 1536
        END BRANCH
        BEGIN BRANCH XLXN_635(8:0)
            WIRE 4112 1184 4192 1184
            WIRE 4192 1184 4192 1248
            WIRE 4192 1248 4288 1248
        END BRANCH
        BEGIN BRANCH XLXN_667(10:0)
            WIRE 3360 2032 3728 2032
        END BRANCH
        BEGIN BRANCH Add_reg(20:10)
            WIRE 3360 2096 3440 2096
            WIRE 3440 2096 3728 2096
            BEGIN DISPLAY 3440 2096 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH XLXN_670(3:0)
            WIRE 3632 1520 3728 1520
        END BRANCH
        BEGIN BRANCH XLXN_671(8:0)
            WIRE 3632 1248 3728 1248
        END BRANCH
        BEGIN BRANCH XLXN_672(8:0)
            WIRE 4672 1248 4800 1248
        END BRANCH
        BEGIN BRANCH sd_doe_n(3:0)
            WIRE 4672 1520 4944 1520
        END BRANCH
        BEGIN BRANCH sd_add_o(10:0)
            WIRE 4672 1744 4944 1744
        END BRANCH
        BEGIN INSTANCE XLXI_159 3728 1344 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_166 3728 1616 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_169 3728 1872 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_170 3728 2128 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_167 4288 1344 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_164 4288 1616 R0
        END INSTANCE
        BEGIN BRANCH sd_add_mx
            WIRE 3600 1360 3600 1968
            WIRE 3600 1968 3696 1968
            WIRE 3696 1968 3728 1968
            WIRE 3600 1360 4816 1360
            WIRE 4816 1280 4816 1360
            BEGIN DISPLAY 3696 1968 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        DISPLAY 3360 2020 TEXT "'101' & Add_reg(9:2)"
        BEGIN BRANCH clk_j
            WIRE 240 1536 656 1536
            WIRE 656 1536 1312 1536
            WIRE 656 1536 656 2224
            WIRE 656 2224 704 2224
            BEGIN DISPLAY 656 1536 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_locked
            WIRE 592 2096 704 2096
        END BRANCH
        INSTANCE XLXI_22 704 2608 R0
        INSTANCE XLXI_66 624 2672 R0
        INSTANCE XLXI_67 688 2416 M0
        BEGIN BRANCH XLXN_716
            WIRE 624 2416 704 2416
        END BRANCH
        BEGIN BRANCH XLXN_717
            WIRE 688 2288 704 2288
            WIRE 688 2288 688 2352
            WIRE 688 2352 704 2352
            WIRE 688 2352 688 2480
            WIRE 688 2480 688 2544
            WIRE 688 2480 704 2480
        END BRANCH
        BEGIN BRANCH Locked1
            WIRE 288 2064 336 2064
        END BRANCH
        BEGIN BRANCH Locked2
            WIRE 288 2128 336 2128
        END BRANCH
        BEGIN BRANCH brst_end
            WIRE 1040 944 1104 944
            WIRE 1104 640 1840 640
            WIRE 1840 640 1840 880
            WIRE 1840 880 2304 880
            WIRE 2304 880 2336 880
            WIRE 1840 640 2304 640
            WIRE 2304 640 2944 640
            WIRE 2944 640 2944 656
            WIRE 1104 640 1104 944
            BEGIN DISPLAY 2304 640 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
            BEGIN DISPLAY 2304 880 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH brst_end_m1
            WIRE 1040 496 1040 752
            WIRE 1040 496 2320 496
            WIRE 2320 496 2928 496
            WIRE 2928 496 2928 576
            WIRE 2928 576 2944 576
            BEGIN DISPLAY 2320 496 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH pre_ad_tri
            WIRE 2032 1952 2032 2080
            WIRE 2032 2080 2144 2080
            WIRE 2032 1952 2752 1952
            WIRE 2752 1952 2752 2352
            WIRE 2752 2352 3696 2352
            WIRE 3696 2352 3696 2432
            WIRE 3696 2432 3728 2432
            WIRE 2720 1456 2736 1456
            WIRE 2736 1456 2752 1456
            WIRE 2752 1456 2752 1952
            BEGIN DISPLAY 2736 1456 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH Locked_j
            WIRE 1088 1472 1312 1472
            WIRE 1088 1472 1088 2160
            WIRE 1088 2160 1088 2800
            WIRE 1088 2800 2768 2800
            WIRE 2768 2800 4992 2800
            WIRE 2768 2496 2768 2800
            WIRE 2768 2496 3168 2496
        END BRANCH
        INSTANCE XLXI_186 3168 2752 R0
        INSTANCE XLXI_174 4288 2432 R0
        BEGIN BRANCH locked_i
            WIRE 576 592 576 752
            WIRE 576 752 656 752
            WIRE 576 752 576 1120
            WIRE 576 1120 656 1120
            WIRE 576 1120 576 1792
            WIRE 576 1792 1312 1792
            WIRE 576 1792 576 2864
            WIRE 576 2864 3568 2864
            WIRE 3568 2864 4992 2864
            WIRE 576 592 1296 592
            WIRE 1296 592 1920 592
            WIRE 1920 592 1920 752
            WIRE 1920 752 2336 752
            WIRE 1296 592 1296 752
            WIRE 1296 752 1312 752
            WIRE 3552 2496 3568 2496
            WIRE 3568 2496 3664 2496
            WIRE 3664 2496 3728 2496
            WIRE 3568 2496 3568 2864
            WIRE 3568 1184 3728 1184
            WIRE 3568 1184 3568 1456
            WIRE 3568 1456 3728 1456
            WIRE 3568 1456 3568 1712
            WIRE 3568 1712 3728 1712
            WIRE 3568 1712 3568 2240
            WIRE 3568 2240 3568 2496
            WIRE 3568 2240 4288 2240
            BEGIN DISPLAY 3664 2496 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        LINE N 3316 2032 3288 2040 
        LINE N 3288 2024 3316 2032 
        LINE N 3320 2096 3296 2088 
        LINE N 3320 2096 3296 2104 
        BEGIN BRANCH Ad_reg(21:2)
            WIRE 3056 2096 3136 2096
            WIRE 3136 2096 3296 2096
            WIRE 3136 1936 3136 2032
            WIRE 3136 2032 3136 2096
            WIRE 3136 2032 3296 2032
        END BRANCH
        LINE N 3136 1932 3144 1964 
        LINE N 3136 1932 3128 1964 
        BEGIN BRANCH XLXN_669(10:0)
            WIRE 3632 1776 3728 1776
        END BRANCH
        BEGIN BRANCH sd_doe_n_temp(3:0)
            WIRE 3264 1024 3264 1584
            WIRE 3264 1584 3728 1584
            WIRE 3264 1024 4000 1024
            WIRE 4000 1024 4144 1024
            WIRE 4144 624 4144 704
            WIRE 4144 704 4144 784
            WIRE 4144 784 4144 864
            WIRE 4144 864 4144 1024
            BEGIN DISPLAY 4000 1024 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        DISPLAY 3628 1240 TEXT 111001010
        DISPLAY 3628 1512 TEXT 1111
        DISPLAY 3628 1768 TEXT 0
        BEGIN BRANCH XLXN_759
            WIRE 4112 2432 4144 2432
        END BRANCH
        INSTANCE XLXI_173 3728 2688 R0
        LINE N 4152 2416 4136 2448 
        LINE N 4136 2416 4152 2448 
        DISPLAY 4064 2424 TEXT AD_tri_reg
        INSTANCE XLXI_128 3184 944 R0
        BUSTAP 2912 880 2816 880
        BUSTAP 2912 944 2800 944
        BUSTAP 2912 1008 2816 1008
        BUSTAP 2912 1136 2816 1136
        BUSTAP 2912 1072 2816 1072
        BUSTAP 2912 1200 2816 1200
        BUSTAP 2912 1264 2816 1264
        BUSTAP 2912 1328 2816 1328
        BUSTAP 3136 1312 3136 1408
        BEGIN BRANCH Ad_reg(21)
            WIRE 3136 1408 3136 1680
            WIRE 3136 1680 3136 1872
            BEGIN DISPLAY 3136 1680 ATTR Name
                ALIGNMENT SOFT-TVCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH XLXN_703(8:0)
            WIRE 2912 880 2912 944
            WIRE 2912 944 2912 1008
            WIRE 2912 1008 2912 1072
            WIRE 2912 1072 2912 1136
            WIRE 2912 1136 2912 1200
            WIRE 2912 1200 2912 1264
            WIRE 2912 1264 2912 1312
            WIRE 2912 1312 2912 1328
            WIRE 2912 1312 3136 1312
            WIRE 3136 1312 3728 1312
        END BRANCH
        BEGIN BRANCH sd_ras_o
            WIRE 4992 1152 5024 1152
        END BRANCH
        BEGIN BRANCH sd_cas_o
            WIRE 4992 1184 5024 1184
        END BRANCH
        BEGIN BRANCH sd_we_o
            WIRE 4992 1216 5024 1216
        END BRANCH
        BEGIN BRANCH sd_ba_o
            WIRE 4992 1248 5024 1248
        END BRANCH
        BEGIN BRANCH ready_o
            WIRE 4992 1280 5024 1280
        END BRANCH
        BUSTAP 4896 1152 4992 1152
        BUSTAP 4896 1184 4992 1184
        BUSTAP 4896 1216 4992 1216
        BUSTAP 4896 1248 4992 1248
        BUSTAP 4896 1280 4992 1280
        BEGIN BRANCH XLXN_782
            WIRE 4832 1248 4896 1248
            WIRE 4896 1248 4896 1280
            WIRE 4896 1152 4896 1184
            WIRE 4896 1184 4896 1216
            WIRE 4896 1216 4896 1248
        END BRANCH
        IOMARKER 2560 2144 ad_tri R0 28
        IOMARKER 2080 1072 auto_ref_in R180 28
        IOMARKER 2592 1664 kid R0 28
        IOMARKER 2048 1264 write_st R180 28
        IOMARKER 2080 1328 Act_st(2:0) R180 28
        IOMARKER 3056 2096 Ad_reg(21:2) R180 28
        IOMARKER 4944 1744 sd_add_o(10:0) R0 28
        IOMARKER 4944 1520 sd_doe_n(3:0) R0 28
        IOMARKER 2496 1552 auto_ref_out R0 28
        IOMARKER 5008 944 rcd_end R0 28
        IOMARKER 4992 2800 Locked_j R0 28
        IOMARKER 4992 2864 locked_i R0 28
        IOMARKER 5024 1152 sd_ras_o R0 28
        IOMARKER 5024 1184 sd_cas_o R0 28
        IOMARKER 5024 1216 sd_we_o R0 28
        IOMARKER 5024 1248 sd_ba_o R0 28
        IOMARKER 5024 1280 ready_o R0 28
        IOMARKER 240 544 clk_i R180 28
        IOMARKER 352 944 burst_max(2:0) R180 28
        IOMARKER 368 1024 cas_lat_max(1:0) R180 28
        IOMARKER 352 1312 rcd_c_max(1:0) R180 28
        IOMARKER 240 1536 clk_j R180 28
        IOMARKER 336 1664 ref_max(15:0) R180 28
        IOMARKER 320 1984 ki_max(3:0) R180 28
        IOMARKER 288 2064 Locked1 R180 28
        IOMARKER 288 2128 Locked2 R180 28
        INSTANCE XLXI_187 336 2192 R0
        BEGIN BRANCH ld_brst
            WIRE 528 880 656 880
            WIRE 528 880 528 2928
            WIRE 528 2928 2752 2928
            WIRE 2752 2928 4736 2928
            WIRE 4672 2176 4736 2176
            WIRE 4736 2176 4736 2928
            BEGIN DISPLAY 2752 2928 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        DISPLAY 2960 1264 TEXT pre_sd_ras_p,pre_sd_cas_p,pre_sd_we_p,
        DISPLAY 2960 1280 TEXT pre_clr_ref,pre_sd_add_mx,pre_ld_cslt,
        DISPLAY 2960 1296 TEXT pre_sd_ready,pre_ld_rcd,Add_reg(21)
        BEGIN BRANCH ref_max(15:0)
            WIRE 336 1664 1312 1664
        END BRANCH
        BEGIN BRANCH clr_ref
            WIRE 1248 1200 1248 1600
            WIRE 1248 1600 1248 1920
            WIRE 1248 1920 1312 1920
            WIRE 1248 1600 1312 1600
            WIRE 1248 1200 1696 1200
            WIRE 1696 1200 2336 1200
            WIRE 1696 352 2288 352
            WIRE 2288 352 4784 352
            WIRE 4784 352 4784 1184
            WIRE 1696 352 1696 1200
            BEGIN DISPLAY 2288 352 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        DISPLAY 4784 1212 TEXT ld_cslt
        DISPLAY 4740 1180 TEXT clr_ref
        DISPLAY 4820 1180 TEXT ld_rcd
        DISPLAY 4744 1288 TEXT sd_add_mx
        DISPLAY 4540 1112 TEXT "clr_ref , sd_add_mx , ld_cslt ,"
        RECTANGLE N 4536 1088 4740 1136 
        DISPLAY 4540 1128 TEXT "ready_o , ld_rcd , sd_ba_o"
        DISPLAY 4528 1096 TEXT "   sd_ras_o , sd_cas_o , sd_we_o ,"
        LINE N 4664 1144 4712 1236 
        LINE N 4684 1216 4712 1236 
        LINE N 4712 1208 4712 1236 
        BEGIN INSTANCE XLXI_168 4288 1888 R0
        END INSTANCE
        BEGIN BRANCH clk_i
            WIRE 240 544 480 544
            WIRE 480 544 480 816
            WIRE 480 816 480 1184
            WIRE 480 1184 656 1184
            WIRE 480 816 656 816
            WIRE 480 544 1168 544
            WIRE 1168 544 2000 544
            WIRE 2000 544 2000 816
            WIRE 2000 816 2336 816
            WIRE 1168 544 1168 816
            WIRE 1168 816 1312 816
            WIRE 1168 816 1168 1856
            WIRE 1168 1856 1312 1856
            WIRE 1168 1856 1168 2208
            WIRE 1168 2208 2144 2208
            WIRE 1168 2208 1168 2736
            WIRE 1168 2736 2976 2736
            WIRE 2976 2736 3104 2736
            WIRE 3104 2736 3696 2736
            WIRE 3696 2736 4224 2736
            WIRE 3104 2624 3168 2624
            WIRE 3104 2624 3104 2736
            WIRE 3696 2560 3728 2560
            WIRE 3696 2560 3696 2736
            WIRE 4224 1328 4288 1328
            WIRE 4224 1328 4224 1584
            WIRE 4224 1584 4288 1584
            WIRE 4224 1584 4224 1808
            WIRE 4224 1808 4224 2304
            WIRE 4224 2304 4224 2736
            WIRE 4224 2304 4288 2304
            WIRE 4224 1808 4288 1808
            BEGIN DISPLAY 2976 2736 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        INSTANCE XLXI_188 4224 2000 R0
        BEGIN BRANCH XLXN_885
            WIRE 4288 1856 4288 1872
        END BRANCH
    END SHEET
END SCHEMATIC