📄 fifo2k.sch
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VERSION 6
BEGIN SCHEMATIC
BEGIN ATTR DeviceFamilyName "spartan2"
DELETE all:0
EDITNAME all:0
EDITTRAIT all:0
END ATTR
BEGIN NETLIST
SIGNAL XLXN_3
SIGNAL wrfifo
SIGNAL XLXN_14
SIGNAL rdfifo
SIGNAL XLXN_8
SIGNAL XLXN_20
SIGNAL adda(10:0)
SIGNAL XLXN_9
SIGNAL addb(10:0)
SIGNAL XLXN_88(1:0)
SIGNAL XLXN_91(1:0)
SIGNAL XLXN_92(1:0)
SIGNAL XLXN_96(1:0)
SIGNAL XLXN_128(1:0)
SIGNAL XLXN_129(1:0)
SIGNAL XLXN_131(1:0)
SIGNAL XLXN_134(1:0)
SIGNAL db(7:0)
SIGNAL dq(7:0)
PORT Input wrfifo
PORT Input rdfifo
PORT Input adda(10:0)
PORT Input addb(10:0)
PORT Input db(7:0)
PORT Output dq(7:0)
BEGIN BLOCKDEF ramb4_s2_s2
TIMESTAMP 2001 2 2 12 54 28
LINE N 0 -960 64 -960
LINE N 0 -896 64 -896
LINE N 0 -832 64 -832
LINE N 0 -512 64 -512
LINE N 0 -448 64 -448
LINE N 0 -384 64 -384
LINE N 0 -320 64 -320
LINE N 0 -256 64 -256
LINE N 0 -192 64 -192
LINE N 0 -768 64 -768
LINE N 0 -1024 64 -1024
LINE N 0 -704 64 -704
LINE N 608 -864 544 -864
LINE N 608 -352 544 -352
LINE N 544 -640 480 -640
LINE N 480 -640 480 -576
LINE N 480 -576 544 -576
LINE N 544 -576 544 -128
LINE N 544 -128 64 -128
LINE N 64 -128 64 -576
LINE N 64 -576 128 -576
LINE N 128 -576 128 -640
LINE N 128 -640 64 -640
LINE N 64 -304 80 -320
LINE N 80 -320 64 -336
RECTANGLE N 0 -272 64 -240
RECTANGLE N 0 -208 64 -176
RECTANGLE N 0 -784 64 -752
RECTANGLE N 0 -720 64 -688
LINE N 64 -816 80 -832
LINE N 80 -832 64 -848
LINE N 64 -1088 64 -640
LINE N 544 -640 544 -1088
LINE N 544 -1088 64 -1088
RECTANGLE N 544 -880 608 -848
RECTANGLE N 544 -368 608 -336
END BLOCKDEF
BEGIN BLOCKDEF vcc
TIMESTAMP 2001 2 2 12 52 44
LINE N 64 -32 64 -64
LINE N 64 0 64 -32
LINE N 96 -64 32 -64
END BLOCKDEF
BEGIN BLOCKDEF gnd
TIMESTAMP 2001 2 2 12 52 44
LINE N 64 -64 64 -96
LINE N 76 -48 52 -48
LINE N 68 -32 60 -32
LINE N 88 -64 40 -64
LINE N 64 -64 64 -80
LINE N 64 -128 64 -96
END BLOCKDEF
BEGIN BLOCKDEF split_4
TIMESTAMP 2008 8 3 4 2 27
RECTANGLE N 64 -256 320 0
RECTANGLE N 0 -236 64 -212
LINE N 64 -224 0 -224
RECTANGLE N 320 -236 384 -212
LINE N 320 -224 384 -224
RECTANGLE N 320 -172 384 -148
LINE N 320 -160 384 -160
RECTANGLE N 320 -108 384 -84
LINE N 320 -96 384 -96
RECTANGLE N 320 -44 384 -20
LINE N 320 -32 384 -32
END BLOCKDEF
BEGIN BLOCKDEF unit_4
TIMESTAMP 2008 8 3 4 2 45
RECTANGLE N 64 -256 320 0
RECTANGLE N 0 -236 64 -212
LINE N 64 -224 0 -224
RECTANGLE N 0 -172 64 -148
LINE N 64 -160 0 -160
RECTANGLE N 0 -108 64 -84
LINE N 64 -96 0 -96
RECTANGLE N 0 -44 64 -20
LINE N 64 -32 0 -32
RECTANGLE N 320 -236 384 -212
LINE N 320 -224 384 -224
END BLOCKDEF
BEGIN BLOCK XLXI_5 vcc
PIN P XLXN_14
END BLOCK
BEGIN BLOCK XLXI_6 gnd
PIN G XLXN_20
END BLOCK
BEGIN BLOCK XLXI_7 gnd
PIN G XLXN_3
END BLOCK
BEGIN BLOCK XLXI_8 vcc
PIN P XLXN_8
END BLOCK
BEGIN BLOCK XLXI_9 gnd
PIN G XLXN_9
END BLOCK
BEGIN BLOCK XLXI_14 ramb4_s2_s2
PIN ADDRA(10:0) adda(10:0)
PIN ADDRB(10:0) addb(10:0)
PIN CLKA wrfifo
PIN CLKB rdfifo
PIN DIA(1:0) XLXN_88(1:0)
PIN DIB(1:0) XLXN_88(1:0)
PIN ENA XLXN_14
PIN ENB XLXN_8
PIN RSTA XLXN_3
PIN RSTB XLXN_9
PIN WEA XLXN_14
PIN WEB XLXN_20
PIN DOA(1:0)
PIN DOB(1:0) XLXN_128(1:0)
END BLOCK
BEGIN BLOCK XLXI_31 ramb4_s2_s2
PIN ADDRA(10:0) adda(10:0)
PIN ADDRB(10:0) addb(10:0)
PIN CLKA wrfifo
PIN CLKB rdfifo
PIN DIA(1:0) XLXN_91(1:0)
PIN DIB(1:0) XLXN_91(1:0)
PIN ENA XLXN_14
PIN ENB XLXN_8
PIN RSTA XLXN_3
PIN RSTB XLXN_9
PIN WEA XLXN_14
PIN WEB XLXN_20
PIN DOA(1:0)
PIN DOB(1:0) XLXN_129(1:0)
END BLOCK
BEGIN BLOCK XLXI_32 ramb4_s2_s2
PIN ADDRA(10:0) adda(10:0)
PIN ADDRB(10:0) addb(10:0)
PIN CLKA wrfifo
PIN CLKB rdfifo
PIN DIA(1:0) XLXN_92(1:0)
PIN DIB(1:0) XLXN_92(1:0)
PIN ENA XLXN_14
PIN ENB XLXN_8
PIN RSTA XLXN_3
PIN RSTB XLXN_9
PIN WEA XLXN_14
PIN WEB XLXN_20
PIN DOA(1:0)
PIN DOB(1:0) XLXN_131(1:0)
END BLOCK
BEGIN BLOCK XLXI_33 ramb4_s2_s2
PIN ADDRA(10:0) adda(10:0)
PIN ADDRB(10:0) addb(10:0)
PIN CLKA wrfifo
PIN CLKB rdfifo
PIN DIA(1:0) XLXN_96(1:0)
PIN DIB(1:0) XLXN_96(1:0)
PIN ENA XLXN_14
PIN ENB XLXN_8
PIN RSTA XLXN_3
PIN RSTB XLXN_9
PIN WEA XLXN_14
PIN WEB XLXN_20
PIN DOA(1:0)
PIN DOB(1:0) XLXN_134(1:0)
END BLOCK
BEGIN BLOCK XLXI_65 split_4
PIN di(7:0) db(7:0)
PIN d1b(1:0) XLXN_88(1:0)
PIN d2b(1:0) XLXN_91(1:0)
PIN d3b(1:0) XLXN_92(1:0)
PIN d4b(1:0) XLXN_96(1:0)
END BLOCK
BEGIN BLOCK XLXI_66 unit_4
PIN d1q(1:0) XLXN_128(1:0)
PIN d2q(1:0) XLXN_129(1:0)
PIN d3q(1:0) XLXN_131(1:0)
PIN d4q(1:0) XLXN_134(1:0)
PIN d(7:0) dq(7:0)
END BLOCK
END NETLIST
BEGIN SHEET 1 5440 7040
BEGIN BRANCH XLXN_3
WIRE 2192 1760 2608 1760
WIRE 2608 1760 2736 1760
WIRE 2608 1760 2608 2800
WIRE 2608 2800 2736 2800
WIRE 2608 2800 2608 3856
WIRE 2608 3856 2736 3856
WIRE 2608 3856 2608 4912
WIRE 2608 4912 2736 4912
END BRANCH
BEGIN BRANCH wrfifo
WIRE 2192 1824 2576 1824
WIRE 2576 1824 2736 1824
WIRE 2576 1824 2576 2864
WIRE 2576 2864 2736 2864
WIRE 2576 2864 2576 3920
WIRE 2576 3920 2736 3920
WIRE 2576 3920 2576 4976
WIRE 2576 4976 2736 4976
END BRANCH
INSTANCE XLXI_5 2192 1696 R270
INSTANCE XLXI_6 2064 2080 R90
BEGIN BRANCH XLXN_14
WIRE 2192 1632 2208 1632
WIRE 2208 1632 2208 1696
WIRE 2208 1696 2640 1696
WIRE 2640 1696 2736 1696
WIRE 2640 1696 2640 2736
WIRE 2640 2736 2736 2736
WIRE 2640 2736 2640 3792
WIRE 2640 3792 2736 3792
WIRE 2640 3792 2640 4848
WIRE 2640 4848 2736 4848
WIRE 2208 1632 2672 1632
WIRE 2672 1632 2736 1632
WIRE 2672 1632 2672 2672
WIRE 2672 2672 2736 2672
WIRE 2672 2672 2672 3728
WIRE 2672 3728 2736 3728
WIRE 2672 3728 2672 4784
WIRE 2672 4784 2736 4784
END BRANCH
INSTANCE XLXI_7 2064 1696 R90
INSTANCE XLXI_8 2192 2272 R270
INSTANCE XLXI_9 2064 2208 R90
BEGIN BRANCH rdfifo
WIRE 2192 2336 2336 2336
WIRE 2336 2336 2336 3376
WIRE 2336 3376 2736 3376
WIRE 2336 3376 2336 4432
WIRE 2336 4432 2736 4432
WIRE 2336 4432 2336 5488
WIRE 2336 5488 2736 5488
WIRE 2336 2336 2736 2336
END BRANCH
BEGIN BRANCH XLXN_8
WIRE 2192 2208 2400 2208
WIRE 2400 2208 2400 3248
WIRE 2400 3248 2736 3248
WIRE 2400 3248 2400 4304
WIRE 2400 4304 2736 4304
WIRE 2400 4304 2400 5360
WIRE 2400 5360 2736 5360
WIRE 2400 2208 2736 2208
END BRANCH
BEGIN BRANCH XLXN_20
WIRE 2192 2144 2432 2144
WIRE 2432 2144 2432 3184
WIRE 2432 3184 2736 3184
WIRE 2432 3184 2432 4240
WIRE 2432 4240 2736 4240
WIRE 2432 4240 2432 5296
WIRE 2432 5296 2736 5296
WIRE 2432 2144 2736 2144
END BRANCH
INSTANCE XLXI_14 2736 2656 R0
INSTANCE XLXI_31 2736 3696 R0
INSTANCE XLXI_32 2736 4752 R0
INSTANCE XLXI_33 2736 5808 R0
BEGIN BRANCH adda(10:0)
WIRE 2192 1888 2528 1888
WIRE 2528 1888 2736 1888
WIRE 2528 1888 2528 2928
WIRE 2528 2928 2736 2928
WIRE 2528 2928 2528 3984
WIRE 2528 3984 2736 3984
WIRE 2528 3984 2528 5040
WIRE 2528 5040 2736 5040
END BRANCH
BEGIN BRANCH XLXN_9
WIRE 2192 2272 2368 2272
WIRE 2368 2272 2368 3312
WIRE 2368 3312 2736 3312
WIRE 2368 3312 2368 4368
WIRE 2368 4368 2736 4368
WIRE 2368 4368 2368 5424
WIRE 2368 5424 2736 5424
WIRE 2368 2272 2736 2272
END BRANCH
BEGIN BRANCH addb(10:0)
WIRE 2192 2400 2288 2400
WIRE 2288 2400 2736 2400
WIRE 2288 2400 2288 3440
WIRE 2288 3440 2736 3440
WIRE 2288 3440 2288 4496
WIRE 2288 4496 2736 4496
WIRE 2288 4496 2288 5552
WIRE 2288 5552 2736 5552
END BRANCH
BEGIN BRANCH XLXN_88(1:0)
WIRE 1824 1952 2480 1952
WIRE 2480 1952 2736 1952
WIRE 2480 1952 2480 2464
WIRE 2480 2464 2736 2464
END BRANCH
BEGIN BRANCH XLXN_91(1:0)
WIRE 1824 2016 2016 2016
WIRE 2016 2016 2016 2992
WIRE 2016 2992 2016 3504
WIRE 2016 3504 2736 3504
WIRE 2016 2992 2736 2992
END BRANCH
BEGIN BRANCH XLXN_92(1:0)
WIRE 1824 2080 1936 2080
WIRE 1936 2080 1936 4048
WIRE 1936 4048 2736 4048
WIRE 1936 4048 1936 4560
WIRE 1936 4560 2736 4560
END BRANCH
BEGIN BRANCH XLXN_96(1:0)
WIRE 1824 2144 1872 2144
WIRE 1872 2144 1872 5104
WIRE 1872 5104 2736 5104
WIRE 1872 5104 1872 5616
WIRE 1872 5616 2736 5616
END BRANCH
BEGIN BRANCH XLXN_128(1:0)
WIRE 3344 2304 3408 2304
WIRE 3408 2304 3616 2304
END BRANCH
BEGIN BRANCH XLXN_129(1:0)
WIRE 3344 3344 3408 3344
WIRE 3408 2368 3408 3344
WIRE 3408 2368 3616 2368
END BRANCH
BEGIN BRANCH XLXN_131(1:0)
WIRE 3344 4400 3488 4400
WIRE 3488 2432 3616 2432
WIRE 3488 2432 3488 3584
WIRE 3488 3584 3488 4400
END BRANCH
BEGIN BRANCH XLXN_134(1:0)
WIRE 3344 5456 3568 5456
WIRE 3568 2496 3616 2496
WIRE 3568 2496 3568 2512
WIRE 3568 2512 3568 3264
WIRE 3568 3264 3568 4320
WIRE 3568 4320 3568 5456
END BRANCH
IOMARKER 2192 1824 wrfifo R180 28
IOMARKER 2192 2336 rdfifo R180 28
IOMARKER 2192 1888 adda(10:0) R180 28
IOMARKER 2192 2400 addb(10:0) R180 28
BEGIN INSTANCE XLXI_65 1440 2176 R0
END INSTANCE
BEGIN INSTANCE XLXI_66 3616 2528 R0
END INSTANCE
BEGIN BRANCH db(7:0)
WIRE 1408 1952 1440 1952
END BRANCH
IOMARKER 1408 1952 db(7:0) R180 28
BEGIN BRANCH dq(7:0)
WIRE 4000 2304 4032 2304
END BRANCH
IOMARKER 4032 2304 dq(7:0) R0 28
END SHEET
END SCHEMATIC
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