udasyncounter.fit.eqn

Up-down Asynchronous counter in Behavioral Model

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--Q[0] is Q[0] at LC_X8_Y10_N4
--operation mode is normal

Q[0]_lut_out = !Q[0];
Q[0] = DFFEAS(Q[0]_lut_out, GLOBAL(clk), !GLOBAL(reset), , , A1L10Q, !GLOBAL(ud), , );


--Q[1] is Q[1] at LC_X8_Y8_N7
--operation mode is normal

Q[1]_lut_out = !Q[1];
Q[1] = DFFEAS(Q[1]_lut_out, GLOBAL(Q[0]), !GLOBAL(reset), , , A1L7Q, !GLOBAL(ud), , );


--Q[2] is Q[2] at LC_X20_Y10_N2
--operation mode is normal

Q[2]_lut_out = !Q[2];
Q[2] = DFFEAS(Q[2]_lut_out, GLOBAL(Q[1]), !GLOBAL(reset), , , A1L8Q, !GLOBAL(ud), , );


--Q[3] is Q[3] at LC_X1_Y8_N4
--operation mode is normal

Q[3]_lut_out = !Q[3];
Q[3] = DFFEAS(Q[3]_lut_out, GLOBAL(Q[2]), !GLOBAL(reset), , , A1L9Q, !GLOBAL(ud), , );


--A1L10Q is Q~8 at LC_X8_Y10_N2
--operation mode is normal

A1L10Q_lut_out = !Q[0];
A1L10Q = DFFEAS(A1L10Q_lut_out, !GLOBAL(clk), VCC, , , , , , );


--A1L7Q is Q~0 at LC_X8_Y8_N2
--operation mode is normal

A1L7Q_lut_out = !Q[1];
A1L7Q = DFFEAS(A1L7Q_lut_out, !GLOBAL(Q[0]), VCC, , , , , , );


--A1L8Q is Q~1 at LC_X20_Y10_N4
--operation mode is normal

A1L8Q_lut_out = !Q[2];
A1L8Q = DFFEAS(A1L8Q_lut_out, !GLOBAL(Q[1]), VCC, , , , , , );


--A1L9Q is Q~2 at LC_X1_Y8_N2
--operation mode is normal

A1L9Q_lut_out = !Q[3];
A1L9Q = DFFEAS(A1L9Q_lut_out, !GLOBAL(Q[2]), VCC, , , , , , );


--clk is clk at PIN_29
--operation mode is input

clk = INPUT();


--reset is reset at PIN_28
--operation mode is input

reset = INPUT();


--ud is ud at PIN_153
--operation mode is input

ud = INPUT();


--Z[0] is Z[0] at PIN_23
--operation mode is output

Z[0] = OUTPUT(Q[0]);


--Z[1] is Z[1] at PIN_75
--operation mode is output

Z[1] = OUTPUT(Q[1]);


--Z[2] is Z[2] at PIN_39
--operation mode is output

Z[2] = OUTPUT(Q[2]);


--Z[3] is Z[3] at PIN_38
--operation mode is output

Z[3] = OUTPUT(Q[3]);