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51单片机C语言常用模块与综合系统设计实例精讲

VERSION 6
BEGIN SCHEMATIC
    BEGIN ATTR DeviceFamilyName "xc9500xl"
        DELETE all:0
        EDITNAME all:0
        EDITTRAIT all:0
    END ATTR
    BEGIN NETLIST
        SIGNAL RST
        SIGNAL WR
        SIGNAL DIN(0)
        SIGNAL DOUT(7:0)
        SIGNAL CS0
        SIGNAL CS1
        SIGNAL CS2
        SIGNAL CS8
        SIGNAL CS9
        SIGNAL CS10
        SIGNAL CS11
        SIGNAL CS12
        SIGNAL CS13
        SIGNAL CS14
        SIGNAL CS15
        SIGNAL DIN(7:0)
        SIGNAL XLXN_310
        SIGNAL XLXN_309
        SIGNAL INT0
        SIGNAL XLXN_314
        SIGNAL INTER(0)
        SIGNAL XLXN_345
        SIGNAL INT1
        SIGNAL XLXN_347
        SIGNAL INTER(1)
        SIGNAL XLXN_386
        SIGNAL INT2
        SIGNAL XLXN_388
        SIGNAL INTER(2)
        SIGNAL XLXN_393
        SIGNAL INT3
        SIGNAL XLXN_395
        SIGNAL INTER(3)
        SIGNAL XLXN_400
        SIGNAL INT4
        SIGNAL XLXN_402
        SIGNAL INTER(4)
        SIGNAL XLXN_407
        SIGNAL INT5
        SIGNAL XLXN_409
        SIGNAL INTER(5)
        SIGNAL XLXN_414
        SIGNAL INT6
        SIGNAL XLXN_416
        SIGNAL INTER(6)
        SIGNAL XLXN_421
        SIGNAL INT7
        SIGNAL XLXN_423
        SIGNAL INTER(7)
        SIGNAL INTER(7:0)
        SIGNAL XLXN_271
        SIGNAL ENA(7:0)
        SIGNAL XLXN_206
        SIGNAL MINT(7:0)
        SIGNAL XLXN_482
        SIGNAL MINT(0)
        SIGNAL ENA(0)
        SIGNAL ENA(1)
        SIGNAL MINT(1)
        SIGNAL ENA(2)
        SIGNAL MINT(2)
        SIGNAL ENA(3)
        SIGNAL MINT(3)
        SIGNAL ENA(4)
        SIGNAL MINT(4)
        SIGNAL ENA(5)
        SIGNAL MINT(5)
        SIGNAL MINT(6)
        SIGNAL MINT(7)
        SIGNAL ADDR(7)
        SIGNAL ADDR(3)
        SIGNAL ADDR(2)
        SIGNAL ADDR(1)
        SIGNAL ADDR(0)
        SIGNAL CS3
        SIGNAL CS4
        SIGNAL CS5
        SIGNAL CS6
        SIGNAL CS7
        SIGNAL DATA(7:0)
        SIGNAL RD
        SIGNAL ADDR(7:0)
        SIGNAL XLXN_25
        SIGNAL XLXN_303
        SIGNAL XLXN_601
        SIGNAL TINT
        SIGNAL XLXN_603
        SIGNAL ENA(6)
        SIGNAL ENA(7)
        PORT Input RST
        PORT Input WR
        PORT Input INT0
        PORT Input INT1
        PORT Input INT2
        PORT Input INT3
        PORT Input INT4
        PORT Input INT5
        PORT Input INT6
        PORT Input INT7
        PORT BiDirectional DATA(7:0)
        PORT Input RD
        PORT Input ADDR(7:0)
        PORT Output TINT
        BEGIN BLOCKDEF fdce
            TIMESTAMP 2001 3 9 11 23 0
            LINE N 0 -128 64 -128 
            LINE N 0 -192 64 -192 
            LINE N 0 -32 64 -32 
            LINE N 0 -256 64 -256 
            LINE N 384 -256 320 -256 
            LINE N 64 -112 80 -128 
            LINE N 80 -128 64 -144 
            LINE N 192 -64 192 -32 
            LINE N 192 -32 64 -32 
            RECTANGLE N 64 -320 320 -64 
        END BLOCKDEF
        BEGIN BLOCKDEF inv
            TIMESTAMP 2001 3 9 11 23 50
            LINE N 0 -32 64 -32 
            LINE N 224 -32 160 -32 
            LINE N 64 -64 128 -32 
            LINE N 128 -32 64 0 
            LINE N 64 0 64 -64 
            CIRCLE N 128 -48 160 -16 
        END BLOCKDEF
        BEGIN BLOCKDEF ibuf8
            TIMESTAMP 2001 3 9 11 23 23
            RECTANGLE N 128 -44 224 -20 
            LINE N 224 -32 128 -32 
            RECTANGLE N 0 -44 64 -20 
            LINE N 64 0 64 -64 
            LINE N 128 -32 64 0 
            LINE N 64 -64 128 -32 
            LINE N 0 -32 64 -32 
        END BLOCKDEF
        BEGIN BLOCKDEF obufe8
            TIMESTAMP 2001 3 9 11 23 23
            LINE N 0 -96 64 -96 
            LINE N 0 -32 64 -32 
            LINE N 224 -32 128 -32 
            RECTANGLE N 0 -44 64 -20 
            RECTANGLE N 128 -44 224 -20 
            LINE N 96 -96 64 -96 
            LINE N 96 -48 96 -96 
            LINE N 64 -64 64 0 
            LINE N 128 -32 64 -64 
            LINE N 64 0 128 -32 
        END BLOCKDEF
        BEGIN BLOCKDEF d4_16e
            TIMESTAMP 2001 3 9 11 22 33
            RECTANGLE N 64 -1152 320 -64 
            LINE N 384 -1088 320 -1088 
            LINE N 384 -1024 320 -1024 
            LINE N 384 -960 320 -960 
            LINE N 384 -896 320 -896 
            LINE N 384 -832 320 -832 
            LINE N 384 -768 320 -768 
            LINE N 384 -704 320 -704 
            LINE N 384 -640 320 -640 
            LINE N 384 -576 320 -576 
            LINE N 384 -512 320 -512 
            LINE N 384 -448 320 -448 
            LINE N 384 -384 320 -384 
            LINE N 384 -320 320 -320 
            LINE N 384 -256 320 -256 
            LINE N 384 -192 320 -192 
            LINE N 384 -128 320 -128 
            LINE N 0 -896 64 -896 
            LINE N 0 -960 64 -960 
            LINE N 0 -1024 64 -1024 
            LINE N 0 -1088 64 -1088 
            LINE N 0 -128 64 -128 
        END BLOCKDEF
        BEGIN BLOCKDEF buft8
            TIMESTAMP 2001 3 9 11 21 49
            RECTANGLE N 128 -44 224 -20 
            LINE N 0 -32 64 -32 
            LINE N 64 -64 64 0 
            LINE N 128 -32 64 -64 
            LINE N 64 0 128 -32 
            RECTANGLE N 0 -44 64 -20 
            LINE N 224 -32 128 -32 
            LINE N 96 -96 64 -96 
            LINE N 96 -48 96 -96 
            LINE N 0 -96 64 -96 
        END BLOCKDEF
        BEGIN BLOCKDEF fd8ce
            TIMESTAMP 2001 3 9 11 23 0
            LINE N 0 -128 64 -128 
            LINE N 0 -192 64 -192 
            LINE N 0 -32 64 -32 
            LINE N 0 -256 64 -256 
            LINE N 384 -256 320 -256 
            LINE N 192 -32 64 -32 
            LINE N 192 -64 192 -32 
            LINE N 80 -128 64 -144 
            LINE N 64 -112 80 -128 
            RECTANGLE N 320 -268 384 -244 
            RECTANGLE N 0 -268 64 -244 
            RECTANGLE N 64 -320 320 -64 
        END BLOCKDEF
        BEGIN BLOCKDEF or3
            TIMESTAMP 2001 3 9 11 23 50
            LINE N 0 -64 48 -64 
            LINE N 0 -128 72 -128 
            LINE N 0 -192 48 -192 
            LINE N 256 -128 192 -128 
            ARC N 28 -256 204 -80 112 -80 192 -128 
            ARC N -40 -184 72 -72 48 -80 48 -176 
            LINE N 48 -64 48 -80 
            LINE N 48 -192 48 -176 
            LINE N 112 -80 48 -80 
            ARC N 28 -176 204 0 192 -128 112 -176 
            LINE N 112 -176 48 -176 
        END BLOCKDEF
        BEGIN BLOCKDEF and2b1
            TIMESTAMP 2001 5 11 10 41 49
            LINE N 64 -48 64 -144 
            LINE N 64 -144 144 -144 
            LINE N 144 -48 64 -48 
            ARC N 96 -144 192 -48 144 -48 144 -144 
            LINE N 256 -96 192 -96 
            LINE N 0 -128 64 -128 
            LINE N 0 -64 40 -64 
            CIRCLE N 40 -76 64 -52 
        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 BLOCKDEF or3b1
            TIMESTAMP 2001 2 2 12 25 36
            LINE N 0 -64 28 -64 
            CIRCLE N 28 -72 48 -52 
            LINE N 0 -128 72 -128 
            LINE N 0 -192 48 -192 
            LINE N 256 -128 192 -128 
            LINE N 112 -176 48 -176 
            ARC N 28 -176 204 0 192 -128 112 -176 
            ARC N 28 -256 204 -80 112 -80 192 -128 
            LINE N 112 -80 48 -80 
            LINE N 48 -64 48 -80 
            LINE N 48 -192 48 -176 
            ARC N -40 -184 72 -72 48 -80 48 -176 
        END BLOCKDEF
        BEGIN BLOCKDEF and2
            TIMESTAMP 2001 5 11 10 41 37
            LINE N 0 -64 64 -64 
            LINE N 0 -128 64 -128 
            LINE N 256 -96 192 -96 
            ARC N 96 -144 192 -48 144 -48 144 -144 
            LINE N 144 -48 64 -48 
            LINE N 64 -144 144 -144 
            LINE N 64 -48 64 -144 
        END BLOCKDEF
        BEGIN BLOCKDEF or8
            TIMESTAMP 2001 3 9 11 23 50
            LINE N 0 -64 48 -64 
            LINE N 0 -128 48 -128 
            LINE N 0 -192 48 -192 
            LINE N 0 -384 48 -384 
            LINE N 0 -448 48 -448 
            LINE N 0 -512 48 -512 
            LINE N 256 -288 192 -288 
            LINE N 0 -320 64 -320 
            LINE N 0 -256 64 -256 
            ARC N 28 -336 204 -160 192 -288 112 -336 
            LINE N 112 -240 48 -240 
            ARC N 28 -416 204 -240 112 -240 192 -288 
            ARC N -40 -344 72 -232 48 -240 48 -336 
            LINE N 112 -336 48 -336 
            LINE N 48 -336 48 -512 
            LINE N 48 -64 48 -240 
        END BLOCKDEF
        BEGIN BLOCK XLXI_109 fdce
            PIN C INT0
            PIN CE XLXN_309
            PIN CLR XLXN_314
            PIN D XLXN_309
            PIN Q INTER(0)
        END BLOCK
        BEGIN BLOCK XLXI_110 vcc
            PIN P XLXN_309
        END BLOCK
        BEGIN BLOCK XLXI_111 or3b1
            PIN I0 WR
            PIN I1 DIN(0)
            PIN I2 CS8
            PIN O XLXN_314
        END BLOCK
        BEGIN BLOCK XLXI_124 fdce
            PIN C INT1
            PIN CE XLXN_345
            PIN CLR XLXN_347
            PIN D XLXN_345
            PIN Q INTER(1)
        END BLOCK
        BEGIN BLOCK XLXI_125 vcc
            PIN P XLXN_345
        END BLOCK
        BEGIN BLOCK XLXI_126 or3b1
            PIN I0 WR
            PIN I1 DIN(0)
            PIN I2 CS9
            PIN O XLXN_347
        END BLOCK
        BEGIN BLOCK XLXI_140 fdce
            PIN C INT2
            PIN CE XLXN_386
            PIN CLR XLXN_388
            PIN D XLXN_386
            PIN Q INTER(2)
        END BLOCK
        BEGIN BLOCK XLXI_141 vcc
            PIN P XLXN_386
        END BLOCK
        BEGIN BLOCK XLXI_142 or3b1
            PIN I0 WR
            PIN I1 DIN(0)
            PIN I2 CS10
            PIN O XLXN_388
        END BLOCK
        BEGIN BLOCK XLXI_143 fdce
            PIN C INT3
            PIN CE XLXN_393
            PIN CLR XLXN_395
            PIN D XLXN_393
            PIN Q INTER(3)
        END BLOCK
        BEGIN BLOCK XLXI_144 vcc
            PIN P XLXN_393
        END BLOCK
        BEGIN BLOCK XLXI_145 or3b1
            PIN I0 WR
            PIN I1 DIN(0)
            PIN I2 CS11
            PIN O XLXN_395
        END BLOCK
        BEGIN BLOCK XLXI_146 fdce
            PIN C INT4
            PIN CE XLXN_400
            PIN CLR XLXN_402
            PIN D XLXN_400
            PIN Q INTER(4)
        END BLOCK
        BEGIN BLOCK XLXI_147 vcc
            PIN P XLXN_400
        END BLOCK
        BEGIN BLOCK XLXI_148 or3b1
            PIN I0 WR
            PIN I1 DIN(0)
            PIN I2 CS12
            PIN O XLXN_402
        END BLOCK
        BEGIN BLOCK XLXI_149 fdce
            PIN C INT5
            PIN CE XLXN_407
            PIN CLR XLXN_409
            PIN D XLXN_407
            PIN Q INTER(5)
        END BLOCK
        BEGIN BLOCK XLXI_150 vcc
            PIN P XLXN_407
        END BLOCK
        BEGIN BLOCK XLXI_151 or3b1
            PIN I0 WR
            PIN I1 DIN(0)
            PIN I2 CS13
            PIN O XLXN_409
        END BLOCK
        BEGIN BLOCK XLXI_152 fdce
            PIN C INT6
            PIN CE XLXN_414
            PIN CLR XLXN_416
            PIN D XLXN_414
            PIN Q INTER(6)
        END BLOCK
        BEGIN BLOCK XLXI_153 vcc
            PIN P XLXN_414
        END BLOCK
        BEGIN BLOCK XLXI_154 or3b1
            PIN I0 WR
            PIN I1 DIN(0)
            PIN I2 CS14
            PIN O XLXN_416
        END BLOCK
        BEGIN BLOCK XLXI_155 fdce
            PIN C INT7
            PIN CE XLXN_421
            PIN CLR XLXN_423
            PIN D XLXN_421
            PIN Q INTER(7)
        END BLOCK
        BEGIN BLOCK XLXI_156 vcc
            PIN P XLXN_421
        END BLOCK
        BEGIN BLOCK XLXI_157 or3b1
            PIN I0 WR
            PIN I1 DIN(0)
            PIN I2 CS15
            PIN O XLXN_423
        END BLOCK
        BEGIN BLOCK XLXI_97 buft8
            PIN I(7:0) INTER(7:0)
            PIN T XLXN_271
            PIN O(7:0) DOUT(7:0)
        END BLOCK
        BEGIN BLOCK XLXI_98 inv
            PIN I CS1
            PIN O XLXN_271
        END BLOCK
        BEGIN BLOCK XLXI_76 buft8
            PIN I(7:0) ENA(7:0)
            PIN T XLXN_206
            PIN O(7:0) DOUT(7:0)
        END BLOCK
        BEGIN BLOCK XLXI_77 inv
            PIN I CS0
            PIN O XLXN_206
        END BLOCK
        BEGIN BLOCK XLXI_180 buft8
            PIN I(7:0) MINT(7:0)
            PIN T XLXN_482
            PIN O(7:0) DOUT(7:0)
        END BLOCK
        BEGIN BLOCK XLXI_181 inv
            PIN I CS2
            PIN O XLXN_482
        END BLOCK
        BEGIN BLOCK XLXI_185 and2
            PIN I0 ENA(0)
            PIN I1 INTER(0)
            PIN O MINT(0)
        END BLOCK
        BEGIN BLOCK XLXI_186 and2
            PIN I0 ENA(1)
            PIN I1 INTER(1)
            PIN O MINT(1)
        END BLOCK
        BEGIN BLOCK XLXI_187 and2
            PIN I0 ENA(2)
            PIN I1 INTER(2)
            PIN O MINT(2)
        END BLOCK
        BEGIN BLOCK XLXI_188 and2
            PIN I0 ENA(3)
            PIN I1 INTER(3)
            PIN O MINT(3)
        END BLOCK
        BEGIN BLOCK XLXI_189 and2
            PIN I0 ENA(4)
            PIN I1 INTER(4)
            PIN O MINT(4)
        END BLOCK
        BEGIN BLOCK XLXI_190 and2
            PIN I0 ENA(5)
            PIN I1 INTER(5)
            PIN O MINT(5)
        END BLOCK
        BEGIN BLOCK XLXI_174 fd8ce
            PIN C WR