clk_div5.map.eqn

对任意始终进行精确的5分频处理,而且没有毛刺,效果很好.

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--levelr is levelr
--operation mode is normal

levelr_lut_out = countr[2] & levelr # !countr[2] & (countr[0] & levelr # !countr[0] & (!countr[1]));
levelr = DFFEAS(levelr_lut_out, clk, VCC, , , , , , );


--levelf is levelf
--operation mode is normal

levelf_lut_out = countf[2] & levelf # !countf[2] & (countf[0] & levelf # !countf[0] & (!countf[1]));
levelf = DFFEAS(levelf_lut_out, !clk, VCC, , , , , , );


--A1L3 is clk_div~0
--operation mode is normal

A1L3 = levelr # levelf;


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

countr[2]_lut_out = countr[2] & (countr[1] $ countr[0]) # !countr[2] & countr[1] & countr[0];
countr[2] = DFFEAS(countr[2]_lut_out, clk, VCC, , , , , , );


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

countr[0]_lut_out = !countr[0] & (countr[1] # !countr[2]);
countr[0] = DFFEAS(countr[0]_lut_out, clk, VCC, , , , , , );


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

countr[1]_lut_out = countr[1] $ countr[0];
countr[1] = DFFEAS(countr[1]_lut_out, clk, VCC, , , , , , );


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

countf[2]_lut_out = countf[2] & (countf[1] $ countf[0]) # !countf[2] & countf[1] & countf[0];
countf[2] = DFFEAS(countf[2]_lut_out, !clk, VCC, , , , , , );


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

countf[0]_lut_out = !countf[0] & (countf[1] # !countf[2]);
countf[0] = DFFEAS(countf[0]_lut_out, !clk, VCC, , , , , , );


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

countf[1]_lut_out = countf[1] $ countf[0];
countf[1] = DFFEAS(countf[1]_lut_out, !clk, VCC, , , , , , );


--clk is clk
--operation mode is input

clk = INPUT();


--clk_div is clk_div
--operation mode is output

clk_div = OUTPUT(A1L3);