counter_4_bit.fit.eqn

来自「非常有参考价值的 计数器 源代码」· EQN 代码 · 共 60 行

--B1_dffs[0] is lpm_counter:counter_out_rtl_0|dffs[0] at LC1
B1_dffs[0]_reg_input = VCC;
B1_dffs[0] = TFFE(B1_dffs[0]_reg_input, GLOBAL(clk), , , );


--B1_dffs[1] is lpm_counter:counter_out_rtl_0|dffs[1] at LC2
B1_dffs[1]_or_out = B1_dffs[0];
B1_dffs[1]_reg_input = B1_dffs[1]_or_out;
B1_dffs[1] = TFFE(B1_dffs[1]_reg_input, GLOBAL(clk), , , );


--B1_dffs[2] is lpm_counter:counter_out_rtl_0|dffs[2] at LC3
B1_dffs[2]_p1_out = B1_dffs[1] & B1_dffs[0];
B1_dffs[2]_or_out = B1_dffs[2]_p1_out;
B1_dffs[2]_reg_input = B1_dffs[2]_or_out;
B1_dffs[2] = TFFE(B1_dffs[2]_reg_input, GLOBAL(clk), , , );


--B1_dffs[3] is lpm_counter:counter_out_rtl_0|dffs[3] at LC5
B1_dffs[3]_p1_out = B1_dffs[2] & B1_dffs[1] & B1_dffs[0];
B1_dffs[3]_or_out = B1_dffs[3]_p1_out;
B1_dffs[3]_reg_input = B1_dffs[3]_or_out;
B1_dffs[3] = TFFE(B1_dffs[3]_reg_input, GLOBAL(clk), , , );


--clk is clk at PIN_43
--operation mode is input

clk = INPUT();


--counter_out[0] is counter_out[0] at PIN_4
--operation mode is output

counter_out[0] = OUTPUT(B1_dffs[0]);


--counter_out[1] is counter_out[1] at PIN_5
--operation mode is output

counter_out[1] = OUTPUT(B1_dffs[1]);


--counter_out[2] is counter_out[2] at PIN_6
--operation mode is output

counter_out[2] = OUTPUT(B1_dffs[2]);


--counter_out[3] is counter_out[3] at PIN_8
--operation mode is output

counter_out[3] = OUTPUT(B1_dffs[3]);