key1.fit.eqn

Altera CPLD矩阵键盘一个很不错的Altera芯片程序

--A1L45 is scan_key~16696 at LC53
A1L45_p1_out = !A1L83Q & !A1L04Q & A1L84Q;
A1L45_p2_out = !A1L24Q & !A1L04Q & A1L84Q;
A1L45_p3_out = !A1L44Q & !A1L04Q & A1L84Q;
A1L45_p4_out = !A1L24Q & !A1L83Q & A1L84Q;
A1L45 = A1L45_p1_out # A1L45_p2_out # A1L45_p3_out # A1L45_p4_out;


--A1L55 is scan_key~16701 at LC54
A1L55_p0_out = !A1L83Q & !A1L44Q & A1L84Q;
A1L55_p1_out = A1L24Q & A1L83Q & !column[3] & column[1] & column[2] & column[0] & A1L84Q;
A1L55_p2_out = column[3] & column[1] & column[2] & A1L44Q & !column[0] & A1L04Q & A1L84Q;
A1L55_p3_out = !A1L24Q & !A1L44Q & A1L84Q;
A1L55_p4_out = A1L24Q & A1L83Q & A1L44Q & A1L04Q & A1L84Q;
A1L55 = A1L45 # A1L55_p0_out # A1L55_p1_out # A1L55_p2_out # A1L55_p3_out # A1L55_p4_out;


--A1L65 is scan_key~16707 at LC55
A1L65_p0_out = A1L83Q & A1L84Q & A1L24Q & column[3] & !column[1] & column[2] & column[0];
A1L65_p1_out = A1L83Q & !A1L44Q & !A1L84Q & A1L24Q & A1L04Q & column[3] & column[1] & column[2] & !column[0];
A1L65_p2_out = A1L83Q & A1L44Q & !A1L84Q & !A1L24Q & A1L04Q & column[3] & !column[1] & column[2] & column[0];
A1L65_p3_out = A1L83Q & A1L44Q & !A1L84Q & !A1L24Q & A1L04Q & column[3] & column[1] & !column[2] & column[0];
A1L65_p4_out = A1L83Q & A1L84Q & A1L24Q & column[3] & column[1] & !column[2] & column[0];
A1L65 = A1L55 # A1L65_p0_out # A1L65_p1_out # A1L65_p2_out # A1L65_p3_out # A1L65_p4_out;


--A1L75 is scan_key~16713 at LC59
A1L75_p0_out = column[3] & !A1L24Q & column[2] & column[1] & !column[0];
A1L75_p1_out = !A1L74Q & !column[3];
A1L75_p2_out = A1L24Q & A1L83Q & A1L04Q & A1L44Q;
A1L75_p3_out = column[3] & !A1L24Q & !column[2] & column[1] & column[0];
A1L75_p4_out = !A1L83Q & !A1L04Q;
A1L75 = A1L16 # A1L75_p0_out # A1L75_p1_out # A1L75_p2_out # A1L75_p3_out # A1L75_p4_out;


--A1L85 is scan_key~16719 at LC49
A1L85_p1_out = !A1L04Q & !A1L24Q;
A1L85_p2_out = !A1L24Q & !A1L44Q;
A1L85_p3_out = !A1L04Q & !A1L44Q;
A1L85_p4_out = !A1L44Q & !A1L83Q;
A1L85 = A1L85_p1_out # A1L85_p2_out # A1L85_p3_out # A1L85_p4_out;


--A1L95 is scan_key~16724 at LC50
A1L95_p0_out = A1L83Q & A1L04Q & A1L24Q & A1L44Q;
A1L95_p1_out = column[1] & column[2] & !column[3] & column[0] & A1L83Q & A1L04Q;
A1L95_p2_out = column[1] & !column[2] & column[3] & column[0] & A1L83Q & A1L04Q;
A1L95_p3_out = !A1L83Q & !A1L24Q;
A1L95_p4_out = !A1L83Q & !A1L04Q;
A1L95 = A1L85 # A1L95_p0_out # A1L95_p1_out # A1L95_p2_out # A1L95_p3_out # A1L95_p4_out;


--A1L06 is scan_key~16730 at LC51
A1L06_p0_out = A1L04Q & A1L24Q & !column[0] & column[1] & column[2] & column[3];
A1L06_p1_out = !column[2] & !column[3] & !A1L94Q;
A1L06_p2_out = !column[1] & !column[2] & !A1L94Q;
A1L06_p3_out = A1L04Q & A1L83Q & column[0] & !column[1] & column[2] & column[3];
A1L06_p4_out = A1L04Q & A1L83Q & column[0] & !A1L94Q;
A1L06 = A1L95 # A1L06_p0_out # A1L06_p1_out # A1L06_p2_out # A1L06_p3_out # A1L06_p4_out;


--~VCC~0 is ~VCC~0 at LC94
~VCC~0_or_out = GND;
~VCC~0 = !(~VCC~0_or_out);


--~GND~0 is ~GND~0 at LC118
~GND~0_or_out = GND;
~GND~0 = ~GND~0_or_out;


--~GND~1 is ~GND~1 at LC117
~GND~1_or_out = GND;
~GND~1 = ~GND~1_or_out;


--~GND~2 is ~GND~2 at LC115
~GND~2_or_out = GND;
~GND~2 = ~GND~2_or_out;


--~GND~3 is ~GND~3 at LC109
~GND~3_or_out = GND;
~GND~3 = ~GND~3_or_out;


--~GND~4 is ~GND~4 at LC107
~GND~4_or_out = GND;
~GND~4 = ~GND~4_or_out;


--~GND~5 is ~GND~5 at LC105
~GND~5_or_out = GND;
~GND~5 = ~GND~5_or_out;


--~GND~6 is ~GND~6 at LC104
~GND~6_or_out = GND;
~GND~6 = ~GND~6_or_out;


--~GND~7 is ~GND~7 at LC101
~GND~7_or_out = GND;
~GND~7 = ~GND~7_or_out;


--A1L16 is scan_key~16738 at LC58
A1L16_p0_out = column[2] & column[1] & column[0] & !column[3];
A1L16_p1_out = !A1L24Q & !A1L83Q;
A1L16_p2_out = !A1L83Q & !A1L44Q;
A1L16_p3_out = !A1L83Q & column[2] & column[1] & !column[0] & column[3];
A1L16_p4_out = column[2] & column[1] & !column[0] & column[3] & !A1L04Q;
A1L16 = A1L26 # A1L16_p0_out # A1L16_p1_out # A1L16_p2_out # A1L16_p3_out # A1L16_p4_out;


--A1L26 is scan_key~16743 at LC57
A1L26_p1_out = !A1L44Q & !A1L04Q;
A1L26 = A1L26_p1_out;


--clk is clk at PIN_83
--operation mode is input

clk = INPUT();


--rst is rst at PIN_1
--operation mode is input

rst = INPUT();


--column[0] is column[0] at PIN_35
--operation mode is input

column[0] = INPUT();


--column[1] is column[1] at PIN_36
--operation mode is input

column[1] = INPUT();


--column[2] is column[2] at PIN_37
--operation mode is input

column[2] = INPUT();


--column[3] is column[3] at PIN_39
--operation mode is input

column[3] = INPUT();


--dataout[0] is dataout[0] at PIN_61
--operation mode is output

dataout[0] = OUTPUT(~VCC~0);


--en[0] is en[0] at PIN_75
--operation mode is output

en[0] = OUTPUT(~GND~0);


--en[1] is en[1] at PIN_74
--operation mode is output

en[1] = OUTPUT(~GND~1);


--en[2] is en[2] at PIN_73
--operation mode is output

en[2] = OUTPUT(~GND~2);


--en[3] is en[3] at PIN_70
--operation mode is output

en[3] = OUTPUT(~GND~3);


--en[4] is en[4] at PIN_69
--operation mode is output

en[4] = OUTPUT(~GND~4);


--en[5] is en[5] at PIN_68
--operation mode is output

en[5] = OUTPUT(~GND~5);


--en[6] is en[6] at PIN_67
--operation mode is output

en[6] = OUTPUT(~GND~6);


--en[7] is en[7] at PIN_65
--operation mode is output

en[7] = OUTPUT(~GND~7);


--row[1] is row[1] at PIN_31
--operation mode is output

row[1] = OUTPUT(A1L04Q);


--row[2] is row[2] at PIN_33
--operation mode is output

row[2] = OUTPUT(A1L24Q);


--row[3] is row[3] at PIN_34
--operation mode is output

row[3] = OUTPUT(A1L44Q);


--row[0] is row[0] at PIN_30
--operation mode is output

row[0] = OUTPUT(A1L83Q);


--dataout[7] is dataout[7] at PIN_57
--operation mode is output

dataout[7] = OUTPUT(A1L92);


--dataout[5] is dataout[5] at PIN_63
--operation mode is output

dataout[5] = OUTPUT(A1L13);


--dataout[6] is dataout[6] at PIN_55
--operation mode is output

dataout[6] = OUTPUT(A1L03);


--dataout[2] is dataout[2] at PIN_56
--operation mode is output

dataout[2] = OUTPUT(A1L23);


--dataout[3] is dataout[3] at PIN_58
--operation mode is output

dataout[3] = OUTPUT(A1L43);


--dataout[4] is dataout[4] at PIN_60
--operation mode is output

dataout[4] = OUTPUT(A1L33);


--dataout[1] is dataout[1] at PIN_64
--operation mode is output

dataout[1] = OUTPUT(A1L53);