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

        BEGIN BRANCH clk_i
            WIRE 1456 1808 1504 1808
            BEGIN DISPLAY 1504 1808 ATTR Name
                ALIGNMENT SOFT-LEFT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 656 1616 704 1616
            BEGIN DISPLAY 656 1616 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        INSTANCE XLXI_5 704 2064 R0
        BEGIN BRANCH clk0b
            WIRE 1088 1808 1232 1808
            BEGIN DISPLAY 1100 1812 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk0c
            WIRE 1088 1552 1216 1552
            BEGIN DISPLAY 1100 1556 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clkp
            WIRE 224 1552 336 1552
        END BRANCH
        BEGIN BRANCH reset
            WIRE 240 1936 336 1936
        END BRANCH
        BEGIN BRANCH clk_fbp
            WIRE 256 976 336 976
        END BRANCH
        BEGIN BRANCH clk_fb
            WIRE 560 976 704 976
            BEGIN DISPLAY 604 980 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk0a
            WIRE 1088 1168 1152 1168
            WIRE 1152 1168 1216 1168
            BEGIN DISPLAY 1152 1168 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH Clk_SDp
            WIRE 1440 1168 1536 1168
        END BRANCH
        INSTANCE XLXI_9 704 1424 R0
        BEGIN BRANCH Clk
            WIRE 560 1552 672 1552
            WIRE 672 1552 704 1552
            WIRE 672 912 704 912
            WIRE 672 912 672 1552
            BEGIN DISPLAY 668 1380 ATTR Name
                ALIGNMENT SOFT-TVCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH we_rn
            WIRE 256 2320 928 2320
        END BRANCH
        BEGIN BRANCH we_rn_i
            WIRE 1152 2320 1168 2320
            WIRE 1168 2320 1168 2736
            WIRE 1168 2736 1200 2736
            WIRE 1168 2320 2176 2320
            BEGIN DISPLAY 1372 2324 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 2112 2160 2176 2160
            BEGIN DISPLAY 2112 2160 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN INSTANCE XLXI_2 2176 2624 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_479 2608 2928 M0
        END INSTANCE
        BEGIN BRANCH write_st
            WIRE 2640 2080 2704 2080
            WIRE 2704 1824 2704 2080
            WIRE 2704 1824 3344 1824
            BEGIN DISPLAY 2748 1828 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH XLXN_2212
            WIRE 3776 2336 3792 2336
            WIRE 3792 2336 3792 2368
            WIRE 3776 2368 3792 2368
        END BRANCH
        DISPLAY 3800 2356 TEXT ?
        BEGIN BRANCH locked1
            WIRE 1088 1296 2064 1296
            WIRE 2064 1296 2064 1648
            WIRE 2064 1648 3280 1648
            WIRE 3280 1648 3280 1952
            WIRE 3280 1952 3344 1952
            BEGIN DISPLAY 2748 1652 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_j
            WIRE 1440 1552 3056 1552
            WIRE 3056 1552 3056 2144
            WIRE 3056 2144 3344 2144
            BEGIN DISPLAY 2732 1556 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 3280 2080 3344 2080
            BEGIN DISPLAY 3280 2080 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked2
            WIRE 1088 1936 2064 1936
            WIRE 2064 1728 2064 1936
            WIRE 2064 1728 3168 1728
            WIRE 3168 1728 3168 2016
            WIRE 3168 2016 3344 2016
            BEGIN DISPLAY 1388 1940 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
            BEGIN DISPLAY 2748 1732 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 2144 2080 2176 2080
            BEGIN DISPLAY 2144 2080 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 3776 2208 3872 2208
            BEGIN DISPLAY 3872 2208 ATTR Name
                ALIGNMENT SOFT-LEFT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        INSTANCE XLXI_66 1200 2992 R0
        INSTANCE XLXI_145 928 2352 R0
        BEGIN BRANCH data_addr_n
            WIRE 320 2496 336 2496
        END BRANCH
        INSTANCE XLXI_144 336 2528 R0
        INSTANCE XLXI_67 720 2752 R0
        INSTANCE XLXI_143 336 1968 R0
        INSTANCE XLXI_20 336 1584 R0
        BEGIN BRANCH reset_i
            WIRE 560 1936 576 1936
            WIRE 576 1936 704 1936
            WIRE 576 1296 704 1296
            WIRE 576 1296 576 1936
            BEGIN DISPLAY 572 1828 ATTR Name
                ALIGNMENT SOFT-TVCENTER
            END DISPLAY
        END BRANCH
        INSTANCE XLXI_21 336 1008 R0
        LINE N 1068 896 1104 932 
        LINE N 1108 892 1076 936 
        LINE N 1068 960 1104 996 
        LINE N 1108 956 1076 1000 
        LINE N 1068 1024 1104 1060 
        LINE N 1108 1020 1076 1064 
        LINE N 1068 1088 1104 1124 
        LINE N 1108 1084 1076 1128 
        LINE N 1068 1216 1104 1252 
        LINE N 1108 1212 1076 1256 
        LINE N 1068 1728 1104 1764 
        LINE N 1108 1724 1076 1768 
        LINE N 1108 1660 1076 1704 
        LINE N 1068 1664 1104 1700 
        LINE N 1068 1600 1104 1636 
        LINE N 1108 1596 1076 1640 
        LINE N 1068 1856 1104 1892 
        LINE N 1108 1852 1076 1896 
        BEGIN BRANCH locked_i
            WIRE 4320 928 4336 928
            BEGIN DISPLAY 4336 928 ATTR Name
                ALIGNMENT SOFT-LEFT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 4320 1376 4336 1376
            BEGIN DISPLAY 4336 1376 ATTR Name
                ALIGNMENT SOFT-LEFT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 4192 896 4192 928
            WIRE 4192 896 4336 896
            BEGIN DISPLAY 4336 896 ATTR Name
                ALIGNMENT SOFT-LEFT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 4192 1328 4192 1376
            WIRE 4192 1328 4336 1328
            BEGIN DISPLAY 4336 1328 ATTR Name
                ALIGNMENT SOFT-LEFT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 1712 784 1792 784
            BEGIN DISPLAY 1712 784 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN INSTANCE XLXI_51 2880 592 R0
        END INSTANCE
        BEGIN BRANCH clk_i
            WIRE 1696 912 1792 912
            BEGIN DISPLAY 1696 912 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 2848 368 2880 368
            BEGIN DISPLAY 2848 368 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 2848 496 2880 496
            BEGIN DISPLAY 2848 496 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 2848 640 2896 640
            BEGIN DISPLAY 2848 640 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 2848 768 2896 768
            BEGIN DISPLAY 2848 768 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 2848 912 2896 912
            BEGIN DISPLAY 2848 912 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 2848 1040 2896 1040
            BEGIN DISPLAY 2848 1040 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 2848 1184 2896 1184
            BEGIN DISPLAY 2848 1184 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 2832 1312 2896 1312
            BEGIN DISPLAY 2832 1312 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_add_o(10:0)
            WIRE 4592 2848 4768 2848
            BEGIN DISPLAY 4668 2852 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH locked_i
            WIRE 4112 2960 4208 2960
            BEGIN DISPLAY 4112 2960 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH clk_i
            WIRE 4096 2912 4208 2912
            BEGIN DISPLAY 4096 2912 ATTR Name
                ALIGNMENT SOFT-RIGHT
                TEXTCOLOR 255 0 0
            END DISPLAY
        END BRANCH
        BEGIN BRANCH sd_add(10:0)
            WIRE 5152 2848 5344 2848
        END BRANCH
        BEGIN INSTANCE XLXI_110 4768 2896 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_108 4208 2992 R0
        END INSTANCE
        BEGIN BRANCH sd_dqm(3:0)
            WIRE 848 528 880 528
        END BRANCH
        INSTANCE XLXI_119 624 560 R0
        INSTANCE XLXI_117 624 624 R0
        INSTANCE XLXI_118 624 688 R0
        BEGIN BRANCH sd_cs2
            WIRE 848 656 928 656
        END BRANCH
        BEGIN BRANCH sd_cs1
            WIRE 848 592 928 592
        END BRANCH
        BEGIN BRANCH XLXN_2187
            WIRE 576 528 624 528
            WIRE 576 528 576 592
            WIRE 576 592 576 656
            WIRE 576 656 624 656
            WIRE 576 656 576 672
            WIRE 576 592 624 592
        END BRANCH
        INSTANCE XLXI_773 512 800 R0
        INSTANCE XLXI_116 624 480 R0
        BEGIN BRANCH sd_cke
            WIRE 848 448 928 448
        END BRANCH
        INSTANCE XLXI_776 512 448 R0
        BEGIN BRANCH XLXN_2192
            WIRE 576 448 624 448
        END BRANCH
        INSTANCE XLXI_26 1216 1584 R0
        INSTANCE XLXI_25 1232 1840 R0
        INSTANCE XLXI_24 1216 1200 R0
        IOMARKER 5424 1136 sd_ras R0 28
        IOMARKER 5408 1488 sd_cas R0 28
        IOMARKER 5408 1824 sd_we R0 28
        IOMARKER 5408 2144 sd_ba R0 28
        IOMARKER 5392 2496 AD(31:0) R0 28
        IOMARKER 5344 512 sd_data(31:0) R0 28
        IOMARKER 256 2320 we_rn R180 28
        IOMARKER 240 1936 reset R180 28
        IOMARKER 224 1552 clkp R180 28
        IOMARKER 256 976 clk_fbp R180 28
        IOMARKER 5344 2848 sd_add(10:0) R0 28
        IOMARKER 320 2496 data_addr_n R180 28
        IOMARKER 880 528 sd_dqm(3:0) R0 28
        IOMARKER 928 592 sd_cs1 R0 28
        IOMARKER 928 656 sd_cs2 R0 28
        IOMARKER 928 448 sd_cke R0 28
        IOMARKER 1536 1168 Clk_SDp R0 28
        BUSTAP 3648 976 3552 976
        BEGIN BRANCH sd_data_t(15:8)
            WIRE 3280 976 3376 976
            WIRE 3376 976 3552 976
            BEGIN DISPLAY 3376 976 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
    END SHEET
END SCHEMATIC