time.map.eqn

用vhdl实现24小时计数器

--cnt1[3] is cnt1[3]
--operation mode is normal

cnt1[3]_lut_out = A1L7;
cnt1[3] = DFFEA(cnt1[3]_lut_out, clk, en, , , , );


--cnt1[2] is cnt1[2]
--operation mode is normal

cnt1[2]_lut_out = A1L5;
cnt1[2] = DFFEA(cnt1[2]_lut_out, clk, en, , , , );


--cnt1[1] is cnt1[1]
--operation mode is normal

cnt1[1]_lut_out = A1L3 & A1L23;
cnt1[1] = DFFEA(cnt1[1]_lut_out, clk, en, , , , );


--cnt1[0] is cnt1[0]
--operation mode is normal

cnt1[0]_lut_out = A1L1;
cnt1[0] = DFFEA(cnt1[0]_lut_out, clk, en, , , , );


--cnt0[3] is cnt0[3]
--operation mode is normal

cnt0[3]_lut_out = cnt0[3] & !cnt0[2] & !cnt0[1] & !cnt0[0] # !cnt0[3] & cnt0[2] & cnt0[1] & cnt0[0];
cnt0[3] = DFFEA(cnt0[3]_lut_out, clk, en, , , , );


--cnt0[2] is cnt0[2]
--operation mode is normal

cnt0[2]_lut_out = A1L23 & !A1L13 & (cnt0[2] $ A1L8);
cnt0[2] = DFFEA(cnt0[2]_lut_out, clk, en, , , , );


--cnt0[1] is cnt0[1]
--operation mode is normal

cnt0[1]_lut_out = !cnt0[3] & (cnt0[1] $ cnt0[0]);
cnt0[1] = DFFEA(cnt0[1]_lut_out, clk, en, , , , );


--cnt0[0] is cnt0[0]
--operation mode is normal

cnt0[0]_lut_out = !cnt0[0] & (!cnt0[2] & !cnt0[1] # !cnt0[3]);
cnt0[0] = DFFEA(cnt0[0]_lut_out, clk, en, , , , );


--A1L7 is add~25
--operation mode is normal

A1L7_carry_eqn = A1L6;
A1L7 = cnt1[3] $ A1L7_carry_eqn;


--A1L5 is add~24
--operation mode is arithmetic

A1L5_carry_eqn = A1L4;
A1L5 = cnt1[2] $ !A1L5_carry_eqn;

--A1L6 is add~24COUT
--operation mode is arithmetic

A1L6 = CARRY(cnt1[2] & !A1L4);


--A1L3 is add~23
--operation mode is arithmetic

A1L3_carry_eqn = A1L2;
A1L3 = cnt1[1] $ A1L3_carry_eqn;

--A1L4 is add~23COUT
--operation mode is arithmetic

A1L4 = CARRY(!A1L2 # !cnt1[1]);


--A1L33 is process0~35
--operation mode is normal

A1L33 = cnt1[0] # cnt0[3] # cnt0[2] # !cnt1[1];


--A1L8 is add~85
--operation mode is normal

A1L8 = cnt0[1] & cnt0[0];


--A1L23 is process0~0
--operation mode is normal

A1L23 = cnt1[3] # cnt1[2] # A1L33 # !A1L8;


--A1L1 is add~22
--operation mode is arithmetic

A1L1 = A1L13 $ cnt1[0];

--A1L2 is add~22COUT
--operation mode is arithmetic

A1L2 = CARRY(A1L13 & cnt1[0]);


--A1L13 is LessThan~65
--operation mode is normal

A1L13 = cnt0[3] & (cnt0[2] # cnt0[1] # cnt0[0]);


--clk is clk
--operation mode is input

clk = INPUT();


--en is en
--operation mode is input

en = INPUT();


--h1[3] is h1[3]
--operation mode is output

h1[3] = OUTPUT(cnt1[3]);


--h1[2] is h1[2]
--operation mode is output

h1[2] = OUTPUT(cnt1[2]);


--h1[1] is h1[1]
--operation mode is output

h1[1] = OUTPUT(cnt1[1]);


--h1[0] is h1[0]
--operation mode is output

h1[0] = OUTPUT(cnt1[0]);


--h0[3] is h0[3]
--operation mode is output

h0[3] = OUTPUT(cnt0[3]);


--h0[2] is h0[2]
--operation mode is output

h0[2] = OUTPUT(cnt0[2]);


--h0[1] is h0[1]
--operation mode is output

h0[1] = OUTPUT(cnt0[1]);


--h0[0] is h0[0]
--operation mode is output

h0[0] = OUTPUT(cnt0[0]);