crc32_dat40.v

本電子檔為 verilog cookbook,包含了通訊,影像,DSP等重要常用之verilog編碼,可作為工程師與初學者的參考手冊

       x100, x99, x98, x97, x96, x95, x94, x93, 
       x92, x91, x90, x89, x88, x87, x86, x85, 
       x84, x83, x82, x81, x80, x79, x78, x77, 
       x76, x75, x74, x73, x72, x71, x70, x69, 
       x68, x67, x66, x65, x64, x63, x62, x61, 
       x60, x59, x58, x57, x56, x55, x54, x53, 
       x52, x51, x50, x49, x48, x47, x46, x45, 
       x44, x43, x42, x41, x40, x39, x38, x37, 
       x36, x35, x34, x33, x32, x7, x6, x5, 
       x4, x3, x2, x1, x0, x31, x30, x29, 
       x28, x27, x26, x25, x24, x23, x22, x21, 
       x20, x19, x18, x17, x16, x15, x14, x13, 
       x12, x11, x10, x9, x8;

assign crc_out = {x31,x30,x29,x28,x27,x26,x25,x24,x23,x22,x21,x20,x19,x18,x17,
        x16,x15,x14,x13,x12,x11,x10,x9,x8,x7,x6,x5,x4,x3,x2,x1,
        x0};

wire d0,d1,d2,d3,d4,d5,d6,d7,d8,d9,d10,d11,d12,d13,d14,
    d15,d16,d17,d18,d19,d20,d21,d22,d23,d24,d25,d26,d27,d28,d29,d30,
    d31,d32,d33,d34,d35,d36,d37,d38,d39;

assign { d39,d38,d37,d36,d35,d34,d33,d32,d31,d30,d29,d28,d27,d26,d25,
        d24,d23,d22,d21,d20,d19,d18,d17,d16,d15,d14,d13,d12,d11,d10,d9,
        d8,d7,d6,d5,d4,d3,d2,d1,d0} = dat_in [39:0];

wire c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12,c13,c14,
    c15,c16,c17,c18,c19,c20,c21,c22,c23,c24,c25,c26,c27,c28,c29,c30,
    c31;

assign { c31,c30,c29,c28,c27,c26,c25,c24,c23,c22,c21,c20,c19,c18,c17,
        c16,c15,c14,c13,c12,c11,c10,c9,c8,c7,c6,c5,c4,c3,c2,c1,
        c0} = crc_in [31:0];

    xor6 x123i (.out(x123),.a(d12),.b(d31),.c(c23),.d(c24),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x122i (.out(x122),.a(d9),.b(d2),.c(x96),.d(x33),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x121i (.out(x121),.a(x55),.b(c8),.c(1'b0),.d(1'b0),.e(1'b0),.f(1'b0));  // 2 ins 1 outs

    xor6 x120i (.out(x120),.a(d16),.b(d1),.c(d7),.d(d6),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x119i (.out(x119),.a(d16),.b(d1),.c(x94),.d(d20),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x118i (.out(x118),.a(x34),.b(c8),.c(d23),.d(d19),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x117i (.out(x117),.a(x36),.b(d4),.c(c10),.d(d16),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x116i (.out(x116),.a(c3),.b(c14),.c(x93),.d(x48),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x115i (.out(x115),.a(d14),.b(c18),.c(x92),.d(d33),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x114i (.out(x114),.a(x48),.b(x63),.c(d5),.d(c24),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x113i (.out(x113),.a(x35),.b(d16),.c(d5),.d(c15),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x112i (.out(x112),.a(c27),.b(c19),.c(x87),.d(x51),.e(d18),.f(1'b0));  // 5 ins 1 outs

    xor6 x111i (.out(x111),.a(d14),.b(d6),.c(x41),.d(d20),.e(d39),.f(1'b0));  // 5 ins 1 outs

    xor6 x110i (.out(x110),.a(c2),.b(c18),.c(x32),.d(d26),.e(c26),.f(1'b0));  // 5 ins 1 outs

    xor6 x109i (.out(x109),.a(d15),.b(d14),.c(x55),.d(x48),.e(c30),.f(1'b0));  // 5 ins 1 outs

    xor6 x108i (.out(x108),.a(x84),.b(c17),.c(x45),.d(x33),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x107i (.out(x107),.a(d6),.b(x32),.c(c15),.d(x63),.e(c17),.f(1'b0));  // 5 ins 1 outs

    xor6 x106i (.out(x106),.a(x82),.b(x51),.c(x38),.d(c28),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x105i (.out(x105),.a(c6),.b(c30),.c(d38),.d(d32),.e(d6),.f(1'b0));  // 5 ins 1 outs

    xor6 x104i (.out(x104),.a(c12),.b(d4),.c(c4),.d(x51),.e(d20),.f(1'b0));  // 5 ins 1 outs

    xor6 x103i (.out(x103),.a(d35),.b(x41),.c(d4),.d(x37),.e(c6),.f(1'b0));  // 5 ins 1 outs

    xor6 x102i (.out(x102),.a(d10),.b(c2),.c(d35),.d(d25),.e(x38),.f(1'b0));  // 5 ins 1 outs

    xor6 x101i (.out(x101),.a(d11),.b(x50),.c(x33),.d(c3),.e(x72),.f(1'b0));  // 5 ins 1 outs

    xor6 x100i (.out(x100),.a(c6),.b(c17),.c(c19),.d(c25),.e(x34),.f(1'b0));  // 5 ins 1 outs

    xor6 x99i (.out(x99),.a(x46),.b(x42),.c(x55),.d(c17),.e(d2),.f(1'b0));  // 5 ins 1 outs

    xor6 x98i (.out(x98),.a(c20),.b(d23),.c(d28),.d(c1),.e(x35),.f(1'b0));  // 5 ins 1 outs

    xor6 x97i (.out(x97),.a(d1),.b(d3),.c(x44),.d(d19),.e(x47),.f(1'b0));  // 5 ins 1 outs

    xor6 x96i (.out(x96),.a(d4),.b(d36),.c(d23),.d(c1),.e(d32),.f(1'b0));  // 5 ins 1 outs

    xor6 x95i (.out(x95),.a(c18),.b(d26),.c(x50),.d(c19),.e(c11),.f(1'b0));  // 5 ins 1 outs

    xor6 x94i (.out(x94),.a(c30),.b(d38),.c(d25),.d(c12),.e(d27),.f(1'b0));  // 5 ins 1 outs

    xor6 x93i (.out(x93),.a(c13),.b(d11),.c(d36),.d(d21),.e(c17),.f(1'b0));  // 5 ins 1 outs

    xor6 x92i (.out(x92),.a(d26),.b(d27),.c(c14),.d(d22),.e(d2),.f(1'b0));  // 5 ins 1 outs

    xor6 x91i (.out(x91),.a(c5),.b(c19),.c(d6),.d(x32),.e(d27),.f(1'b0));  // 5 ins 1 outs

    xor6 x90i (.out(x90),.a(c0),.b(d32),.c(d8),.d(x41),.e(1'b0),.f(1'b0));  // 4 ins 3 outs

    xor6 x89i (.out(x89),.a(c30),.b(d38),.c(d0),.d(x36),.e(x45),.f(1'b0));  // 5 ins 2 outs

    xor6 x88i (.out(x88),.a(x42),.b(d23),.c(c23),.d(d31),.e(1'b0),.f(1'b0));  // 4 ins 2 outs

    xor6 x87i (.out(x87),.a(d14),.b(c17),.c(c10),.d(d7),.e(d6),.f(1'b0));  // 5 ins 1 outs

    xor6 x86i (.out(x86),.a(c6),.b(c24),.c(x38),.d(c11),.e(x37),.f(1'b0));  // 5 ins 1 outs

    xor6 x85i (.out(x85),.a(d18),.b(d36),.c(d39),.d(d28),.e(x37),.f(1'b0));  // 5 ins 1 outs

    xor6 x84i (.out(x84),.a(d25),.b(d32),.c(c19),.d(c31),.e(d19),.f(1'b0));  // 5 ins 1 outs

    xor6 x83i (.out(x83),.a(d23),.b(x33),.c(d25),.d(x45),.e(d28),.f(1'b0));  // 5 ins 1 outs

    xor6 x82i (.out(x82),.a(d5),.b(c4),.c(d1),.d(d30),.e(c22),.f(1'b0));  // 5 ins 1 outs

    xor6 x81i (.out(x81),.a(c31),.b(x63),.c(c6),.d(c12),.e(c28),.f(1'b0));  // 5 ins 1 outs

    xor6 x80i (.out(x80),.a(c4),.b(x51),.c(c7),.d(d39),.e(d15),.f(1'b0));  // 5 ins 2 outs

    xor6 x79i (.out(x79),.a(x36),.b(d10),.c(d27),.d(d34),.e(c24),.f(1'b0));  // 5 ins 1 outs

    xor6 x78i (.out(x78),.a(d38),.b(c7),.c(x47),.d(d12),.e(x40),.f(1'b0));  // 5 ins 1 outs

    xor6 x77i (.out(x77),.a(x42),.b(c11),.c(d7),.d(d39),.e(x36),.f(1'b0));  // 5 ins 1 outs

    xor6 x76i (.out(x76),.a(c8),.b(d32),.c(d35),.d(x45),.e(1'b0),.f(1'b0));  // 4 ins 3 outs

    xor6 x75i (.out(x75),.a(d17),.b(x44),.c(c28),.d(x50),.e(c9),.f(1'b0));  // 5 ins 2 outs

    xor6 x74i (.out(x74),.a(x35),.b(d25),.c(d4),.d(d12),.e(1'b0),.f(1'b0));  // 4 ins 4 outs

    xor6 x73i (.out(x73),.a(d3),.b(c20),.c(x48),.d(d7),.e(1'b0),.f(1'b0));  // 4 ins 3 outs

    xor6 x72i (.out(x72),.a(c24),.b(d20),.c(d6),.d(c11),.e(d30),.f(1'b0));  // 5 ins 2 outs

    xor6 x71i (.out(x71),.a(d23),.b(d2),.c(c21),.d(x45),.e(d29),.f(1'b0));  // 5 ins 2 outs

    xor6 x70i (.out(x70),.a(x36),.b(c20),.c(c31),.d(d22),.e(c28),.f(1'b0));  // 5 ins 1 outs

    xor6 x69i (.out(x69),.a(d0),.b(d39),.c(c8),.d(d2),.e(x46),.f(1'b0));  // 5 ins 2 outs

    xor6 x68i (.out(x68),.a(c1),.b(d27),.c(d16),.d(x40),.e(d9),.f(1'b0));  // 5 ins 2 outs

    xor6 x67i (.out(x67),.a(d30),.b(x46),.c(d27),.d(c22),.e(d23),.f(1'b0));  // 5 ins 2 outs

    xor6 x66i (.out(x66),.a(x47),.b(c0),.c(d8),.d(x36),.e(d19),.f(1'b0));  // 5 ins 2 outs

    xor6 x65i (.out(x65),.a(c25),.b(c28),.c(x47),.d(d33),.e(1'b0),.f(1'b0));  // 4 ins 3 outs

    xor6 x64i (.out(x64),.a(d19),.b(x34),.c(c31),.d(d28),.e(d5),.f(1'b0));  // 5 ins 2 outs

    xor6 x63i (.out(x63),.a(d14),.b(d36),.c(c22),.d(c15),.e(d30),.f(1'b0));  // 5 ins 3 outs

    xor6 x62i (.out(x62),.a(x37),.b(d7),.c(x41),.d(c8),.e(d3),.f(1'b0));  // 5 ins 3 outs

    xor6 x61i (.out(x61),.a(d14),.b(c10),.c(d18),.d(d39),.e(x47),.f(1'b0));  // 5 ins 3 outs

    xor6 x60i (.out(x60),.a(c27),.b(d25),.c(c15),.d(x34),.e(c31),.f(1'b0));  // 5 ins 2 outs

    xor6 x59i (.out(x59),.a(c13),.b(d21),.c(d34),.d(x46),.e(c26),.f(1'b0));  // 5 ins 3 outs

    xor6 x58i (.out(x58),.a(d14),.b(c22),.c(d20),.d(d5),.e(x44),.f(1'b0));  // 5 ins 5 outs

    xor6 x57i (.out(x57),.a(c23),.b(d31),.c(d2),.d(d19),.e(x38),.f(1'b0));  // 5 ins 3 outs

    xor6 x56i (.out(x56),.a(x51),.b(d28),.c(c19),.d(d33),.e(c20),.f(1'b0));  // 5 ins 3 outs

    xor6 x55i (.out(x55),.a(d6),.b(c12),.c(d20),.d(c9),.e(d17),.f(1'b0));  // 5 ins 3 outs

    xor6 x54i (.out(x54),.a(c8),.b(x32),.c(x42),.d(x34),.e(c27),.f(1'b0));  // 5 ins 3 outs

    xor6 x53i (.out(x53),.a(c15),.b(d32),.c(d7),.d(x40),.e(c4),.f(1'b0));  // 5 ins 4 outs

    xor6 x52i (.out(x52),.a(c19),.b(x33),.c(c27),.d(d22),.e(c14),.f(1'b0));  // 5 ins 4 outs

    xor6 x51i (.out(x51),.a(c16),.b(d6),.c(d24),.d(c4),.e(1'b0),.f(1'b0));  // 4 ins 5 outs

    xor6 x50i (.out(x50),.a(d0),.b(c12),.c(d39),.d(c4),.e(c22),.f(1'b0));  // 5 ins 3 outs

    xor6 x49i (.out(x49),.a(d37),.b(x37),.c(x33),.d(c29),.e(c31),.f(1'b0));  // 5 ins 5 outs

    xor6 x48i (.out(x48),.a(c21),.b(d29),.c(c11),.d(d35),.e(d28),.f(1'b0));  // 5 ins 4 outs

    xor6 x47i (.out(x47),.a(c5),.b(d39),.c(d5),.d(d13),.e(1'b0),.f(1'b0));  // 4 ins 5 outs

    xor6 x46i (.out(x46),.a(c15),.b(c18),.c(d14),.d(c11),.e(d26),.f(1'b0));  // 5 ins 4 outs

    xor6 x45i (.out(x45),.a(c3),.b(d1),.c(d11),.d(d7),.e(1'b0),.f(1'b0));  // 4 ins 5 outs

    xor6 x44i (.out(x44),.a(d30),.b(c13),.c(d4),.d(c12),.e(d21),.f(1'b0));  // 5 ins 4 outs

    xor6 x43i (.out(x43),.a(c7),.b(d3),.c(x35),.d(d15),.e(1'b0),.f(1'b0));  // 4 ins 9 outs

    xor6 x42i (.out(x42),.a(d32),.b(c24),.c(d2),.d(d19),.e(c6),.f(1'b0));  // 5 ins 4 outs

    xor6 x41i (.out(x41),.a(d22),.b(d23),.c(d25),.d(c17),.e(c14),.f(1'b0));  // 5 ins 5 outs

    xor6 x40i (.out(x40),.a(d12),.b(c26),.c(c8),.d(d34),.e(c27),.f(1'b0));  // 5 ins 4 outs

    xor6 x39i (.out(x39),.a(c28),.b(d27),.c(d1),.d(c19),.e(x32),.f(1'b0));  // 5 ins 8 outs

    xor6 x38i (.out(x38),.a(c30),.b(c31),.c(d38),.d(c10),.e(d18),.f(1'b0));  // 5 ins 6 outs

    xor6 x37i (.out(x37),.a(d28),.b(c20),.c(c2),.d(d7),.e(d10),.f(1'b0));  // 5 ins 5 outs

    xor6 x36i (.out(x36),.a(c9),.b(d37),.c(d17),.d(d35),.e(c29),.f(1'b0));  // 5 ins 6 outs

    xor6 x35i (.out(x35),.a(c17),.b(c25),.c(c0),.d(d33),.e(d8),.f(1'b0));  // 5 ins 5 outs

    xor6 x34i (.out(x34),.a(d0),.b(d36),.c(c18),.d(d26),.e(d16),.f(1'b0));  // 5 ins 5 outs

    xor6 x33i (.out(x33),.a(c21),.b(d24),.c(c24),.d(c16),.e(d29),.f(1'b0));  // 5 ins 7 outs

    xor6 x32i (.out(x32),.a(d9),.b(c23),.c(d31),.d(d14),.e(c1),.f(1'b0));  // 5 ins 5 outs

    xor6 x7i (.out(x7),.a(x113),.b(x43),.c(x90),.d(x69),.e(x59),.f(x49));  // 6 ins 1 outs

    xor6 x6i (.out(x6),.a(x105),.b(x90),.c(x71),.d(x58),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x5i (.out(x5),.a(d0),.b(x97),.c(x49),.d(x72),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x4i (.out(x4),.a(x101),.b(x43),.c(x74),.d(x35),.e(x57),.f(1'b0));  // 5 ins 1 outs

    xor6 x3i (.out(x3),.a(d36),.b(x77),.c(x43),.d(x39),.e(x102),.f(1'b0));  // 5 ins 1 outs

    xor6 x2i (.out(x2),.a(d7),.b(x106),.c(x54),.d(x66),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x1i (.out(x1),.a(c5),.b(c25),.c(x89),.d(x68),.e(x56),.f(d13));  // 6 ins 1 outs

    xor6 x0i (.out(x0),.a(x107),.b(x53),.c(x60),.d(x49),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x31i (.out(x31),.a(x83),.b(x43),.c(x73),.d(x114),.e(x39),.f(1'b0));  // 5 ins 1 outs

    xor6 x30i (.out(x30),.a(c11),.b(x90),.c(x103),.d(x52),.e(x67),.f(1'b0));  // 5 ins 1 outs

    xor6 x29i (.out(x29),.a(d13),.b(x91),.c(d35),.d(x73),.e(x41),.f(x59));  // 6 ins 1 outs

    xor6 x28i (.out(x28),.a(x115),.b(x56),.c(x58),.d(x74),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x27i (.out(x27),.a(x108),.b(d39),.c(x67),.d(x58),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x26i (.out(x26),.a(x104),.b(d14),.c(x57),.d(x69),.e(x62),.f(1'b0));  // 5 ins 1 outs

    xor6 x25i (.out(x25),.a(x70),.b(x43),.c(x116),.d(x57),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x24i (.out(x24),.a(x85),.b(x64),.c(x117),.d(x39),.e(x54),.f(x58));  // 6 ins 1 outs

    xor6 x23i (.out(x23),.a(x78),.b(x39),.c(x64),.d(x109),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x22i (.out(x22),.a(x86),.b(x49),.c(x76),.d(x39),.e(x118),.f(x53));  // 6 ins 1 outs

    xor6 x21i (.out(x21),.a(x79),.b(x110),.c(x61),.d(x52),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x20i (.out(x20),.a(d9),.b(x98),.c(x40),.d(x75),.e(x60),.f(1'b0));  // 5 ins 1 outs

    xor6 x19i (.out(x19),.a(x119),.b(x43),.c(x76),.d(x52),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x18i (.out(x18),.a(x88),.b(x80),.c(x33),.d(x49),.e(x59),.f(1'b0));  // 5 ins 1 outs

    xor6 x17i (.out(x17),.a(x81),.b(x38),.c(x65),.d(x39),.e(x111),.f(1'b0));  // 5 ins 1 outs

    xor6 x16i (.out(x16),.a(x95),.b(d32),.c(d12),.d(x44),.e(x52),.f(x66));  // 6 ins 1 outs

    xor6 x15i (.out(x15),.a(x112),.b(x43),.c(x58),.d(x68),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x14i (.out(x14),.a(x99),.b(d1),.c(d4),.d(x43),.e(x71),.f(1'b0));  // 5 ins 1 outs

    xor6 x13i (.out(x13),.a(x120),.b(c11),.c(x62),.d(x88),.e(x61),.f(1'b0));  // 5 ins 1 outs

    xor6 x12i (.out(x12),.a(d2),.b(x80),.c(d12),.d(x75),.e(x39),.f(x61));  // 6 ins 1 outs

    xor6 x11i (.out(x11),.a(x100),.b(x39),.c(x56),.d(x121),.e(x43),.f(x74));  // 6 ins 1 outs

    xor6 x10i (.out(x10),.a(x65),.b(d7),.c(x54),.d(x73),.e(c31),.f(1'b0));  // 5 ins 1 outs

    xor6 x9i (.out(x9),.a(x122),.b(x38),.c(x65),.d(x76),.e(x53),.f(1'b0));  // 5 ins 1 outs

    xor6 x8i (.out(x8),.a(x123),.b(x74),.c(x89),.d(x62),.e(x53),.f(1'b0));  // 5 ins 1 outs

endmodule