sdram_controller.sch

来自「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：wleec」· SCH 代码 · 共 1,517 行 · 第 1/4 页

                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_we
            WIRE 5392 1824 5408 1824
        END BRANCH
        BEGIN BRANCH AD(31:0)
            WIRE 5136 2496 5392 2496
            BEGIN DISPLAY 5244 2500 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH ad_o(31:0)
            WIRE 4128 1760 4128 2528
            WIRE 4128 2528 4752 2528
            BEGIN DISPLAY 4620 2532 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH AD_tri
            WIRE 3776 2464 4752 2464
            BEGIN DISPLAY 3788 2468 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        LINE N 3752 2384 3784 2428 
        LINE N 3776 2388 3764 2424 
        LINE N 3784 2268 3764 2296 
        LINE N 3764 2268 3784 2292 
        LINE N 3756 2132 3788 2164 
        LINE N 3772 2124 3772 2160 
        LINE N 3784 2052 3772 2100 
        LINE N 3756 2064 3788 2104 
        BEGIN BRANCH sd_we_op
            WIRE 3776 1952 4608 1952
            WIRE 4608 1824 4752 1824
            WIRE 4608 1824 4608 1952
            BEGIN DISPLAY 4444 1956 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_cas_op
            WIRE 3776 1888 4560 1888
            WIRE 4560 1488 4752 1488
            WIRE 4560 1488 4560 1888
            BEGIN DISPLAY 4444 1892 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_ras_op
            WIRE 3776 1824 4512 1824
            WIRE 4512 1136 4512 1824
            WIRE 4512 1136 4752 1136
            BEGIN DISPLAY 4444 1828 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_add_op(10:0)
            WIRE 3776 2528 3952 2528
            WIRE 3952 2528 3952 2848
            WIRE 3952 2848 4208 2848
            BEGIN DISPLAY 4044 2852 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH we_rn_reg
            WIRE 1584 2736 1632 2736
            WIRE 1632 2480 2176 2480
            WIRE 1632 2480 1632 2736
            BEGIN DISPLAY 1628 2484 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH data_addr_n_reg
            WIRE 1104 2496 1312 2496
            WIRE 1312 2400 1312 2496
            WIRE 1312 2400 2176 2400
            BEGIN DISPLAY 1420 2404 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH data_addr_n_i
            WIRE 560 2496 576 2496
            WIRE 576 2496 720 2496
            WIRE 576 2240 576 2496
            WIRE 576 2240 2176 2240
            BEGIN DISPLAY 1404 2244 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH burst_max(2:0)
            WIRE 2640 2400 3344 2400
            BEGIN DISPLAY 2988 2404 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH ref_max(15:0)
            WIRE 2640 2528 3344 2528
            BEGIN DISPLAY 2988 2532 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH Act_st(2:0)
            WIRE 2640 2208 3344 2208
            BEGIN DISPLAY 2972 2212 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH cas_lat_max(1:0)
            WIRE 2640 2336 3344 2336
            BEGIN DISPLAY 3004 2340 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH ki_max(3:0)
            WIRE 2640 2464 3344 2464
            BEGIN DISPLAY 2972 2468 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH rcd_c_max(1:0)
            WIRE 2640 2272 3344 2272
            BEGIN DISPLAY 2988 2276 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH add_reg(21:2)
            WIRE 2640 2592 3344 2592
            BEGIN DISPLAY 2988 2596 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN INSTANCE XLXI_1 3344 2624 R0
        END INSTANCE
        INSTANCE XLXI_113 5168 1168 R0
        INSTANCE XLXI_107 4752 1392 R0
        INSTANCE XLXI_114 5168 1520 R0
        INSTANCE XLXI_106 4752 1744 R0
        INSTANCE XLXI_115 5168 1856 R0
        INSTANCE XLXI_105 4752 2080 R0
        BEGIN BRANCH clk_i
            WIRE 4720 2272 4752 2272
            BEGIN DISPLAY 4720 2272 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 4720 2368 4752 2368
            BEGIN DISPLAY 4720 2368 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        INSTANCE XLXI_104 4752 2400 R0
        BEGIN BRANCH sd_ba_op
            WIRE 3776 2016 4512 2016
            WIRE 4512 2016 4512 2144
            WIRE 4512 2144 4752 2144
            BEGIN DISPLAY 4444 2020 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        INSTANCE XLXI_112 5168 2176 R0
        BEGIN BRANCH sd_ba_o
            WIRE 5136 2144 5168 2144
            BEGIN DISPLAY 5148 2148 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN INSTANCE XLXI_141 4752 2624 R0
        END INSTANCE
        BEGIN BRANCH sd_cas
            WIRE 5392 1488 5408 1488
        END BRANCH
        BEGIN INSTANCE XLXI_70 4000 768 R0
        END INSTANCE
        BEGIN BRANCH clk_i
            WIRE 3920 672 4000 672
            BEGIN DISPLAY 3920 672 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 3920 544 4000 544
            BEGIN DISPLAY 3920 544 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        INSTANCE XLXI_95 2464 432 R270
        BEGIN BRANCH XLXN_487
            WIRE 2464 368 2496 368
        END BRANCH
        BEGIN BRANCH sd_data_o(31:0)
            WIRE 4384 608 4464 608
            WIRE 4464 544 4464 608
            WIRE 4464 544 4752 544
            BEGIN DISPLAY 4588 548 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_data_t(31:0)
            WIRE 3648 432 3648 480
            WIRE 3648 480 3648 704
            WIRE 3648 704 3648 976
            WIRE 3648 976 3648 1248
            WIRE 3648 480 4752 480
            BEGIN DISPLAY 4588 484 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_data(31:0)
            WIRE 5136 512 5344 512
        END BRANCH
        BEGIN BRANCH sd_data_t(7:0)
            WIRE 3280 1248 3552 1248
            BEGIN DISPLAY 3372 1252 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BUSTAP 3648 1248 3552 1248
        BEGIN INSTANCE XLXI_50 2896 1136 R0
        END INSTANCE
        BEGIN BRANCH sd_data_t(23:16)
            WIRE 3280 704 3552 704
            BEGIN DISPLAY 3388 708 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BUSTAP 3648 704 3552 704
        BEGIN BRANCH sd_data_t(31:24)
            WIRE 3264 432 3552 432
            BEGIN DISPLAY 3372 436 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BUSTAP 3648 432 3552 432
        BEGIN INSTANCE XLXI_241 1792 1008 R0
        END INSTANCE
        BEGIN BRANCH sd_doe_n(3:0)
            WIRE 2176 848 2304 848
            WIRE 2304 848 2304 976
            WIRE 2304 976 2304 1248
            WIRE 2304 432 2304 704
            WIRE 2304 704 2304 848
            BEGIN DISPLAY 2300 564 ATTR Name
                ALIGNMENT SOFT-TVCENTER
            END DISPLAY
        END BRANCH
        BUSTAP 2304 432 2400 432
        BUSTAP 2304 704 2400 704
        BUSTAP 2304 976 2368 976
        BUSTAP 2304 1248 2400 1248
        INSTANCE XLXI_98 2480 1248 R270
        INSTANCE XLXI_94 2496 1280 R0
        BEGIN BRANCH sd_doe_n(3)
            WIRE 2400 432 2496 432
            BEGIN DISPLAY 2412 436 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_doe_n(2)
            WIRE 2400 704 2496 704
            BEGIN DISPLAY 2412 708 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_doe_n(1)
            WIRE 2368 976 2496 976
            BEGIN DISPLAY 2396 980 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_doe_n(0)
            WIRE 2400 1248 2496 1248
            BEGIN DISPLAY 2412 1252 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH XLXN_27
            WIRE 2480 1184 2496 1184
        END BRANCH
        BEGIN BRANCH XLXN_26
            WIRE 2480 912 2496 912
        END BRANCH
        BEGIN BRANCH XLXN_25
            WIRE 2480 640 2496 640
        END BRANCH
        INSTANCE XLXI_97 2480 976 R270
        INSTANCE XLXI_96 2480 704 R270
        INSTANCE XLXI_93 2496 1008 R0
        INSTANCE XLXI_92 2496 736 R0
        INSTANCE XLXI_91 2496 464 R0
        BEGIN BRANCH XLXN_23(7:0)
            WIRE 2720 1248 2896 1248
        END BRANCH
        BEGIN BRANCH XLXN_22(7:0)
            WIRE 2720 976 2896 976
        END BRANCH
        BEGIN BRANCH XLXN_21(7:0)
            WIRE 2720 704 2896 704
        END BRANCH
        BEGIN BRANCH XLXN_20(7:0)
            WIRE 2720 432 2880 432
        END BRANCH
        BEGIN INSTANCE XLXI_49 2896 1408 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_52 2896 864 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_109 4752 640 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_722 4336 928 M90
        END INSTANCE
        BEGIN INSTANCE XLXI_723 4336 1376 M90
        END INSTANCE
        BEGIN BRANCH sd_data_r(31:0)
            WIRE 4128 1312 4128 1376
            BEGIN DISPLAY 4124 1348 ATTR Name
                ALIGNMENT SOFT-TVCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_data_i(31:0)
            WIRE 4128 832 4544 832
            WIRE 4128 832 4128 928
            WIRE 4544 608 4544 832
            WIRE 4544 608 4752 608
            BEGIN DISPLAY 4588 612 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_data_reg(31:0)
            WIRE 2640 2144 2896 2144
            WIRE 2896 1472 2896 2144
            WIRE 2896 1472 3744 1472
            WIRE 3744 608 4000 608
            WIRE 3744 608 3744 1472
            BEGIN DISPLAY 3420 1476 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_doe_np(3:0)
            WIRE 1760 848 1792 848
            WIRE 1760 848 1760 2960
            WIRE 1760 2960 3808 2960
            WIRE 3776 2592 3808 2592
            WIRE 3808 2592 3808 2960
            BEGIN DISPLAY 3404 2964 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 688 2400 720 2400
            BEGIN DISPLAY 688 2400 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 688 2624 720 2624
            BEGIN DISPLAY 688 2624 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 1104 2960 1200 2960
            BEGIN DISPLAY 1104 2960 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 1104 2864 1200 2864
            BEGIN DISPLAY 1104 2864 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH