pwm_sch.sch

脉冲宽度调试机器程序设计 具体请看英文描述

VERSION 6
BEGIN SCHEMATIC
    BEGIN ATTR DeviceFamilyName "xc9500"
        DELETE all:0
        EDITNAME all:0
        EDITTRAIT all:0
    END ATTR
    BEGIN NETLIST
        SIGNAL XLXN_1
        SIGNAL XLXN_2
        SIGNAL XLXN_3
        SIGNAL C(3:0)
        SIGNAL DATA(3:0)
        SIGNAL CLK
        SIGNAL RST
        SIGNAL XLXN_8
        SIGNAL XLXN_9
        SIGNAL PWM
        SIGNAL XLXN_11
        PORT Input DATA(3:0)
        PORT Input CLK
        PORT Input RST
        PORT Output PWM
        BEGIN BLOCKDEF cntr4
            TIMESTAMP 2007 2 21 15 29 40
            RECTANGLE N 64 -128 320 0 
            LINE N 64 -96 0 -96 
            LINE N 64 -32 0 -32 
            RECTANGLE N 320 -108 384 -84 
            LINE N 320 -96 384 -96 
        END BLOCKDEF
        BEGIN BLOCKDEF mag4comp
            TIMESTAMP 2007 2 21 15 29 48
            RECTANGLE N 64 -320 320 0 
            LINE N 64 -288 0 -288 
            LINE N 64 -224 0 -224 
            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 
            LINE N 320 -288 384 -288 
            LINE N 320 -160 384 -160 
            LINE N 320 -32 384 -32 
        END BLOCKDEF
        BEGIN BLOCKDEF or2
            TIMESTAMP 2001 3 9 11 23 50
            LINE N 0 -64 64 -64 
            LINE N 0 -128 64 -128 
            LINE N 256 -96 192 -96 
            ARC N 28 -224 204 -48 112 -48 192 -96 
            ARC N -40 -152 72 -40 48 -48 48 -144 
            LINE N 112 -144 48 -144 
            ARC N 28 -144 204 32 192 -96 112 -144 
            LINE N 112 -48 48 -48 
        END BLOCKDEF
        BEGIN BLOCKDEF gnd
            TIMESTAMP 2001 3 9 11 23 11
            LINE N 64 -128 64 -96 
            LINE N 64 -64 64 -80 
            LINE N 88 -64 40 -64 
            LINE N 68 -32 60 -32 
            LINE N 76 -48 52 -48 
            LINE N 64 -64 64 -96 
        END BLOCKDEF
        BEGIN BLOCKDEF vcc
            TIMESTAMP 2001 3 9 11 23 11
            LINE N 96 -64 32 -64 
            LINE N 64 0 64 -32 
            LINE N 64 -32 64 -64 
        END BLOCKDEF
        BEGIN BLOCK XLXI_1 cntr4
            PIN clock CLK
            PIN reset RST
            PIN count(3:0) C(3:0)
        END BLOCK
        BEGIN BLOCK XLXI_2 mag4comp
            PIN aeqbin XLXN_1
            PIN agtbin XLXN_3
            PIN altbin XLXN_3
            PIN a(3:0) C(3:0)
            PIN b(3:0) DATA(3:0)
            PIN aeqbout XLXN_8
            PIN agtbout XLXN_9
            PIN altbout
        END BLOCK
        BEGIN BLOCK XLXI_3 or2
            PIN I0 XLXN_9
            PIN I1 XLXN_8
            PIN O PWM
        END BLOCK
        BEGIN BLOCK XLXI_4 gnd
            PIN G XLXN_3
        END BLOCK
        BEGIN BLOCK XLXI_5 vcc
            PIN P XLXN_1
        END BLOCK
    END NETLIST
    BEGIN SHEET 1 1900 1344
        ATTR LengthUnitName "CM"
        ATTR GridsPerUnit "4"
        BEGIN INSTANCE XLXI_1 400 656 R0
        END INSTANCE
        BEGIN INSTANCE XLXI_2 960 656 R0
        END INSTANCE
        INSTANCE XLXI_3 1424 528 R0
        INSTANCE XLXI_4 560 336 R0
        INSTANCE XLXI_5 720 288 R0
        BEGIN BRANCH XLXN_1
            WIRE 784 288 784 368
            WIRE 784 368 960 368
        END BRANCH
        BEGIN BRANCH XLXN_3
            WIRE 624 128 624 208
            WIRE 624 128 704 128
            WIRE 704 128 704 432
            WIRE 704 432 832 432
            WIRE 832 432 960 432
            WIRE 832 432 832 496
            WIRE 832 496 960 496
        END BRANCH
        BEGIN BRANCH C(3:0)
            WIRE 784 560 848 560
            WIRE 848 560 960 560
            BEGIN DISPLAY 848 560 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        BEGIN BRANCH DATA(3:0)
            WIRE 480 800 832 800
            WIRE 832 624 960 624
            WIRE 832 624 832 800
        END BRANCH
        BEGIN BRANCH CLK
            WIRE 208 560 400 560
        END BRANCH
        BEGIN BRANCH RST
            WIRE 208 624 400 624
        END BRANCH
        BEGIN BRANCH XLXN_8
            WIRE 1344 368 1376 368
            WIRE 1376 368 1376 400
            WIRE 1376 400 1424 400
        END BRANCH
        BEGIN BRANCH XLXN_9
            WIRE 1344 496 1376 496
            WIRE 1376 464 1376 496
            WIRE 1376 464 1424 464
        END BRANCH
        BEGIN BRANCH PWM
            WIRE 1680 432 1696 432
            WIRE 1696 432 1776 432
            BEGIN DISPLAY 1696 432 ATTR Name
                ALIGNMENT SOFT-BCENTER
            END DISPLAY
        END BRANCH
        IOMARKER 208 560 CLK R180 28
        IOMARKER 208 624 RST R180 28
        IOMARKER 480 800 DATA(3:0) R180 28
        IOMARKER 1776 432 PWM R0 28
    END SHEET
END SCHEMATIC