timer.fit

利用一块芯片完成除时钟源、按键、扬声器和显示器（数码管）之外的所有数字电路功能。所有数字逻辑功能都在CPLD器件上用VHDL语言实现。这样设计具有体积小、设计周期短（设计过程中即可实现时序仿真）、调试

    "|FRE_100:4|:35"               : LOCATION   = LC3_C7 ;
    "|FRE_100:4|:42"               : LOCATION   = LC1_C4 ;
    "|FRE_100:8|LPM_ADD_SUB:99|addcore:adder|:63" : LOCATION   = LC2_C23;
    "|FRE_100:8|LPM_ADD_SUB:99|addcore:adder|:71" : LOCATION   = LC1_C23;
    "|FRE_100:8|:2"                : LOCATION   = LC1_C11;
    "|FRE_100:8|:4"                : LOCATION   = LC2_C11;  -- |FRE_100:8|a5
    "|FRE_100:8|:5"                : LOCATION   = LC4_C11;  -- |FRE_100:8|a4
    "|FRE_100:8|:6"                : LOCATION   = LC4_C23;  -- |FRE_100:8|a3
    "|FRE_100:8|:7"                : LOCATION   = LC5_C23;  -- |FRE_100:8|a2
    "|FRE_100:8|:8"                : LOCATION   = LC7_C23;  -- |FRE_100:8|a1
    "|FRE_100:8|:9"                : LOCATION   = LC6_C23;  -- |FRE_100:8|a0
    "|FRE_100:8|:35"               : LOCATION   = LC3_C11;
    "|FRE_100:8|:42"               : LOCATION   = LC3_C23;
    "|HOUR:17|LPM_ADD_SUB:185|addcore:adder|:55" : LOCATION   = LC3_A16;
    "|HOUR:17|LPM_ADD_SUB:185|addcore:adder|:69" : LOCATION   = LC5_A16;
    "|HOUR:17|LPM_ADD_SUB:262|addcore:adder|:55" : LOCATION   = LC2_A21;
    "|HOUR:17|LPM_ADD_SUB:262|addcore:adder|:59" : LOCATION   = LC3_A21;
    "|HOUR:17|:7"                  : LOCATION   = LC1_A21;
    "|HOUR:17|:9"                  : LOCATION   = LC4_A21;
    "|HOUR:17|:11"                 : LOCATION   = LC6_A22;
    "|HOUR:17|:13"                 : LOCATION   = LC4_A14;
    "|HOUR:17|:15"                 : LOCATION   = LC4_A16;
    "|HOUR:17|:17"                 : LOCATION   = LC2_A16;
    "|HOUR:17|:19"                 : LOCATION   = LC2_A19;
    "|HOUR:17|:21"                 : LOCATION   = LC3_A22;
    "|HOUR:17|:122"                : LOCATION   = LC1_A19;
    "|HOUR:17|~122~1"              : LOCATION   = LC7_A19;
    "|HOUR:17|:141"                : LOCATION   = LC4_A19;
    "|HOUR:17|~141~1"              : LOCATION   = LC3_A18;
    "|HOUR:17|~160~1"              : LOCATION   = LC8_A19;
    "|HOUR:17|:237"                : LOCATION   = LC7_A24;
    "|HOUR:17|~462~1"              : LOCATION   = LC5_A21;
    "|HOUR:17|~464~1"              : LOCATION   = LC1_A22;
    "|HOUR:17|:476"                : LOCATION   = LC5_A22;
    "|HOUR:17|:480"                : LOCATION   = LC7_A22;
    "|HOUR:17|:507"                : LOCATION   = LC6_A16;
    "|HOUR:17|:516"                : LOCATION   = LC7_A16;
    "|HOUR:17|:536"                : LOCATION   = LC8_A16;
    "|HOUR:17|:539"                : LOCATION   = LC1_A16;
    "|HOUR:17|:554"                : LOCATION   = LC3_A19;
    "|HOUR:17|~556~1"              : LOCATION   = LC5_A19;
    "|HOUR:17|:557"                : LOCATION   = LC6_A19;
    "|HOUR:17|:572"                : LOCATION   = LC4_A22;
    "|HOUR:17|~572~1"              : LOCATION   = LC2_A22;
    "|MMS:6|LPM_ADD_SUB:186|addcore:adder|:59" : LOCATION   = LC3_C20;
    "|MMS:6|LPM_ADD_SUB:215|addcore:adder|:59" : LOCATION   = LC4_C22;
    "|MMS:6|LPM_ADD_SUB:215|addcore:adder|:67" : LOCATION   = LC5_C22;
    "|MMS:6|LPM_ADD_SUB:215|addcore:adder|:68" : LOCATION   = LC6_C22;
    "|MMS:6|:3"                    : LOCATION   = LC6_C19;
    "|MMS:6|:5"                    : LOCATION   = LC1_C22;
    "|MMS:6|:7"                    : LOCATION   = LC3_C22;
    "|MMS:6|:9"                    : LOCATION   = LC2_C22;
    "|MMS:6|:11"                   : LOCATION   = LC3_C15;
    "|MMS:6|:13"                   : LOCATION   = LC2_C20;
    "|MMS:6|:15"                   : LOCATION   = LC1_C17;
    "|MMS:6|:17"                   : LOCATION   = LC4_C20;
    "|MMS:6|:19"                   : LOCATION   = LC1_C13;
    "|MMS:6|:96"                   : LOCATION   = LC6_C17;
    "|MMS:6|~96~1"                 : LOCATION   = LC4_C17;
    "|MMS:6|:115"                  : LOCATION   = LC8_C17;
    "|MMS:6|~115~1"                : LOCATION   = LC3_C17;
    "|MMS:6|:120"                  : LOCATION   = LC1_C24;
    "|MMS:6|~314~1"                : LOCATION   = LC2_C17;
    "|MMS:6|~331~1"                : LOCATION   = LC1_C20;
    "|SEC:10|LPM_ADD_SUB:189|addcore:adder|:55" : LOCATION   = LC1_B18;
    "|SEC:10|LPM_ADD_SUB:189|addcore:adder|:67" : LOCATION   = LC8_B15;
    "|SEC:10|LPM_ADD_SUB:189|addcore:adder|:69" : LOCATION   = LC8_B20;
    "|SEC:10|LPM_ADD_SUB:266|addcore:adder|:55" : LOCATION   = LC3_B24;
    "|SEC:10|LPM_ADD_SUB:266|addcore:adder|:59" : LOCATION   = LC6_B24;
    "|SEC:10|:5"                   : LOCATION   = LC5_B17;
    "|SEC:10|:7"                   : LOCATION   = LC7_B24;
    "|SEC:10|:9"                   : LOCATION   = LC5_B24;
    "|SEC:10|:11"                  : LOCATION   = LC2_B16;
    "|SEC:10|:13"                  : LOCATION   = LC1_B21;
    "|SEC:10|:15"                  : LOCATION   = LC3_B20;
    "|SEC:10|:17"                  : LOCATION   = LC2_B20;
    "|SEC:10|:19"                  : LOCATION   = LC3_B15;
    "|SEC:10|:21"                  : LOCATION   = LC2_B15;
    "|SEC:10|:126"                 : LOCATION   = LC4_B17;
    "|SEC:10|~126~1"               : LOCATION   = LC7_B17;
    "|SEC:10|:145"                 : LOCATION   = LC2_B17;
    "|SEC:10|~145~1"               : LOCATION   = LC6_B17;
    "|SEC:10|:241"                 : LOCATION   = LC2_B24;
    "|SEC:10|~449~1"               : LOCATION   = LC1_B17;
    "|SEC:10|:527"                 : LOCATION   = LC1_B20;
    "|SEC:10|:536"                 : LOCATION   = LC4_B20;
    "|SEC:10|~538~1"               : LOCATION   = LC5_B20;
    "|SEC:10|:556"                 : LOCATION   = LC6_B20;
    "|SEC:10|:559"                 : LOCATION   = LC7_B20;
    "|SEC:10|:566"                 : LOCATION   = LC1_B15;
    "|SEC:10|:572"                 : LOCATION   = LC4_B15;
    "|SEC:10|~576~1"               : LOCATION   = LC3_B17;
    "|SEC:10|~593~1"               : LOCATION   = LC5_B15;
    "|SEC:10|~593~2"               : LOCATION   = LC6_B15;
    "|SEC:24|LPM_ADD_SUB:189|addcore:adder|:55" : LOCATION   = LC5_A6 ;
    "|SEC:24|LPM_ADD_SUB:189|addcore:adder|:67" : LOCATION   = LC7_A12;
    "|SEC:24|LPM_ADD_SUB:189|addcore:adder|:69" : LOCATION   = LC8_A10;
    "|SEC:24|LPM_ADD_SUB:266|addcore:adder|:55" : LOCATION   = LC7_B3 ;
    "|SEC:24|LPM_ADD_SUB:266|addcore:adder|:59" : LOCATION   = LC8_B3 ;
    "|SEC:24|:5"                   : LOCATION   = LC5_A8 ;
    "|SEC:24|:7"                   : LOCATION   = LC6_B3 ;
    "|SEC:24|:9"                   : LOCATION   = LC3_B3 ;
    "|SEC:24|:11"                  : LOCATION   = LC2_B3 ;
    "|SEC:24|:13"                  : LOCATION   = LC4_B10;
    "|SEC:24|:15"                  : LOCATION   = LC2_A10;
    "|SEC:24|:17"                  : LOCATION   = LC7_A10;
    "|SEC:24|:19"                  : LOCATION   = LC2_A12;
    "|SEC:24|:21"                  : LOCATION   = LC1_A12;
    "|SEC:24|:126"                 : LOCATION   = LC1_A8 ;
    "|SEC:24|~126~1"               : LOCATION   = LC4_A8 ;
    "|SEC:24|:145"                 : LOCATION   = LC2_A8 ;
    "|SEC:24|~145~1"               : LOCATION   = LC6_A8 ;
    "|SEC:24|:241"                 : LOCATION   = LC1_B3 ;
    "|SEC:24|~449~1"               : LOCATION   = LC7_A8 ;
    "|SEC:24|:527"                 : LOCATION   = LC3_A10;
    "|SEC:24|:536"                 : LOCATION   = LC4_A10;
    "|SEC:24|~538~1"               : LOCATION   = LC5_A10;
    "|SEC:24|:556"                 : LOCATION   = LC6_A10;
    "|SEC:24|:559"                 : LOCATION   = LC1_A10;
    "|SEC:24|:566"                 : LOCATION   = LC3_A12;
    "|SEC:24|:572"                 : LOCATION   = LC4_A12;
    "|SEC:24|~576~1"               : LOCATION   = LC3_A8 ;
    "|SEC:24|~593~1"               : LOCATION   = LC5_A12;
    "|SEC:24|~593~2"               : LOCATION   = LC6_A12;

END;

INTERNAL_INFO "timer"
BEGIN
	DEVICE = EPF10K10LC84-4;
    OD4P1   : LORAX = "1:FB4->LC1_C11,->LC2_C11,->LC4_C11,->LC4_C23,->LC5_C23,->LC7_C23,->LC6_C23|";
    OH8R0P16 : LORAX = "1:G13R0,PA0R0C1->LC1_A2|";
    LC2_C14 : LORAX = "1:MSW2R2C12|2:V7C12|3:HHR3R0|4:PA19R0C22->LC1_A23,->LC2_A23|,4:PA19R0C14->LC4_A15,->LC5_A15,->LC7_A15,->LC6_A15||,3:HHR3R1,PA19R1C12->LC2_B13,->LC3_B13,->LC4_B13||,2:HHR3R2|3:PA19R2C20->LC1_C21|,3:PA4R2C17->LC5_C18,->LC4_C18,->LC2_C18|||";
    LC3_C14 : LORAX = "1:MSW2R2C13|2:V7C13|3:HHR4R0|4:PA5R0C22->LC1_A23,->LC2_A23|,4:PA5R0C14->LC4_A15,->LC5_A15,->LC7_A15,->LC6_A15||,3:HHR4R1,PA18R1C12->LC2_B13,->LC3_B13,->LC4_B13||,2:HHR4R2|3:PA18R2C20->LC1_C21|,3:PA18R2C17->LC5_C18,->LC4_C18,->LC2_C18|||";
    LC1_C14 : LORAX = "1:MSW1R2C12|2:V4C12|3:HHR8R0|4:PA14R0C14->LC4_A15,->LC7_A15,->LC6_A15|,4:PA14R0C22->LC1_A23||,3:HHR8R1,PA14R1C12->LC2_B13,->LC3_B13,->LC4_B13||,2:HHR8R2|3:PA14R2C20->LC1_C21|,3:PA14R2C17->LC5_C18,->LC4_C18,->LC2_C18|||";
    LC6_C14 : LORAX = "1:MSW6R2C12,V19C12,HHR29R0,PA12R0C22->LC6_A23|";
    LC1_C21 : LORAX = "1:MSW0R2C21|2:V1C21,HHR19R1,PA12R1C12->LC2_B13,->LC6_B13|,2:HHR19R2|3:PA17R2C14->LC1_C15|,3:PA17R2C17->LC3_C18,->LC4_C18,->LC6_C18|,3:PA12R2C13->LC5_C14|||";
    LC6_A23 : LORAX = "1:MSW5R0C22,HHR42R0|2:PA7R0C20->LC1_A21,->LC4_A21|,2:PA7R0C13->LC4_A14|,2:PA17R0C18->LC5_A19,->LC6_A19|,2:PA7R0C21->LC6_A22,->LC3_A22|,2:PA7R0C15->LC4_A16,->LC1_A16||";
    LC7_A23 : LORAX = "1:MSW6R0C23,HHR24R0|2:PA10R0C20->LC5_A21|,2:PA10R0C13->LC4_A14|,2:PA10R0C15->LC7_A16,->LC1_A16|,2:PA10R0C18->LC6_A19|,2:PA10R0C21->LC3_A22,->LC7_A22,->LC2_A22||";
    LC2_A15 : LORAX = "1:MSW1R0C14|2:G28R0|3:PA18R0C7->LC7_A8,->LC3_A8|,3:PA9R0C11->LC2_A12,->LC1_A12|,3:PA9R0C9->LC2_A10,->LC1_A10||,2:V3C14,G28R1|3:PA18R1C9->LC4_B10|,3:PA18R1C2->LC6_B3,->LC3_B3,->LC2_B3|||";
    LC3_A15 : LORAX = "1:MSW2R0C14,G14R0|2:PA5R0C7->LC7_A8|,2:PA5R0C11->LC8_A12,->LC4_A12,->LC5_A12,->LC6_A12|,2:PA5R0C9->LC4_A10,->LC5_A10,->LC1_A10||";
    LC1_B13 : LORAX = "1:MSW0R1C12,HHR22R1|2:PA2R1C20->LC1_B21|,2:PA2R1C15->LC2_B16|,2:PA2R1C16->LC1_B17,->LC3_B17|,2:PA2R1C14->LC3_B15,->LC2_B15|,2:PA2R1C23->LC7_B24,->LC5_B24|,2:PA2R1C19->LC3_B20,->LC7_B20||";
    LC6_B13 : LORAX = "1:MSW5R1C13,HHR28R1|2:PA7R1C16->LC1_B17|,2:PA7R1C14->LC7_B15,->LC4_B15,->LC5_B15,->LC6_B15|,2:PA7R1C19->LC4_B20,->LC5_B20,->LC7_B20||";
    LC3_C18 : LORAX = "1:MSW2R2C17,V7C17,HHR15R0,PA0R0C14->LC1_A15|";
    LC1_A15 : LORAX = "1:MSW0R0C15,HHR19R0|2:PA17R0C20->LC1_A21,->LC4_A21|,2:PA17R0C13->LC4_A14|,2:PA12R0C18->LC2_A19|,2:PA17R0C21->LC6_A22,->LC3_A22|,2:PA17R0C15->LC4_A16,->LC2_A16||";
    LC1_C18 : LORAX = "1:MSW0R2C17,V1C17|2:G43R0|3:PA16R0C7->LC5_A8|,3:PA16R0C11->LC2_A12,->LC1_A12|,3:PA16R0C9->LC2_A10,->LC7_A10||,2:G43R1|3:PA15R1C9->LC4_B10|,3:PA16R1C2->LC6_B3,->LC3_B3,->LC2_B3|||";
    LC5_C14 : LORAX = "1:MSW5R2C12,V16C12,HHR34R1,PA17R1C12->LC5_B13|";
    LC5_B13 : LORAX = "1:MSW4R1C12,HHR41R1|2:PA8R1C20->LC1_B21|,2:PA8R1C15->LC2_B16|,2:PA8R1C16->LC5_B17|,2:PA16R1C14->LC3_B15,->LC2_B15|,2:PA8R1C23->LC7_B24,->LC5_B24|,2:PA8R1C19->LC3_B20,->LC2_B20||";
    LC1_C15 : LORAX = "1:MSW0R2C14,HHR21R2|2:PA15R2C21->LC1_C22,->LC3_C22,->LC2_C22|,2:PA15R2C18->LC6_C19|,2:PA15R2C12->LC1_C13|,2:PA15R2C19->LC2_C20,->LC4_C20|,2:PA15R2C16->LC1_C17||";
    LC2_C3  : LORAX = "1:MSW1R2C2,HHL2R2|2:PA3R2C4->LC1_C5,->LC7_C5,->LC2_C5,->LC5_C5|,2:PA3R2C9->LC2_C10|,2:PA3R2C8->LC2_C9,->LC3_C9,->LC1_C9|,2:PA3R2C6->LC1_C7||";
    LC1_C6  : LORAX = "1:MSW1R2C4,HHL5R2|2:PA17R2C8->LC2_C9,->LC3_C9,->LC1_C9|,2:PA17R2C9->LC2_C10|,2:PA17R2C4->LC1_C5,->LC7_C5,->LC2_C5,->LC5_C5|,2:PA17R2C2->LC2_C3|,2:PA6R2C6->LC1_C7||";
    LC1_C12 : LORAX = "1:MSW0R2C11,HHL20R2|2:PA16R2C4->LC1_C5,->LC7_C5,->LC2_C5,->LC5_C5|,2:PA16R2C9->LC2_C10|,2:PA16R2C8->LC2_C9,->LC3_C9,->LC1_C9|,2:PA16R2C2->LC2_C3|,2:PA16R2C5->LC1_C6|,2:PA16R2C6->LC1_C7||";
    LC2_C10 : LORAX = "1:MSW2R2C8,G7R2|2:PA7R2C4->LC3_C5|,2:PA7R2C18->LC7_C19|,2:PA7R2C12->LC5_C13|,2:PA7R2C15->LC3_C16|,2:PA7R2C23->LC3_C24||";
    LC5_C13 : LORAX = "1:MSW4R2C13,V13C13,HHR36R1,PA19R1C23->LC1_B24|";
    LC1_C5  : LORAX = "1:MSW0R2C4,V1C4,G41R1|2:PA13R1C23->LC1_B24|,2:PA13R1C22->LC3_B23,->LC6_B23,->LC5_B23||";
    LC7_C5  : LORAX = "1:MSW6R2C4|2:V19C4,G76R1|3:PA9R1C23->LC4_B24|,3:PA9R1C22->LC4_B23,->LC1_B23,->LC2_B23||,2:HHL31R2->OH14R2P30||";
    LC4_B24 : LORAX = "1:MSW3R1C23,G25R1,PA0R1C2->LC4_B3|";
    LC2_C5  : LORAX = "1:MSW1R2C5,V4C5->OV2C5P35,2:HHL16R1|3:PA20R1C9->LC6_B10,->LC2_B10|,3:PA20R1C2->LC4_B3,->LC5_B3|||";
    LC4_B3  : LORAX = "1:MSW3R1C3,V9C3,HHL17R0,PA10R0C0->LC6_A1|";
    LC1_C7  : LORAX = "1:MSW0R2C6,V1C6->OV2C6P36,2:HHL22R0|3:PA2R0C0->LC6_A1,->LC3_A1|,3:PA10R0C3->LC6_A4,->LC4_A4|||";
    LC2_C9  : LORAX = "1:MSW1R2C8,V4C8->OV3C8P37,2:HHL2R0|3:PA3R0C3->LC5_A4,->LC2_A4|,3:PA20R0C0->LC4_A1,->LC5_A1|||";
    LC3_C9  : LORAX = "1:MSW2R2C9,V7C9->OV3C9P38,2:HHL14R0|3:PA1R0C0->LC1_A1,->LC2_A1|,3:PA1R0C3->LC1_A4,->LC3_A4|||";
    LC1_A1  : LORAX = "1:MSW0R0C0,V0C0,HHL22R1|2:PA2R1C10->LC1_B11|,2:PA2R1C1->LC1_B2|,2:PA2R1C0->LC2_B1,->LC8_B1,->LC7_B1|,2:PA2R1C6->LC3_B7,->LC1_B7|,2:PA2R1C5->LC8_B6|,2:PA2R1C11->LC3_B12||";
    LC3_C24 : LORAX = "1:MSW2R2C23,V7C23,HHR15R1,PA0R1C22->LC3_B23|";
    LC4_B23 : LORAX = "1:MSW3R1C22,G31R1,PA12R1C2->LC5_B3|";
    LC5_B3  : LORAX = "1:MSW4R1C2,V12C2,HHL43R0,PA18R0C0->LC3_A1|";
    LC2_A1  : LORAX = "1:MSW1R0C0,V3C0,HHL8R1|2:PA14R1C10->LC1_B11|,2:PA14R1C1->LC1_B2|,2:PA14R1C0->LC2_B1,->LC8_B1,->LC7_B1|,2:PA9R1C5->LC8_B6|,2:PA14R1C6->LC3_B7,->LC1_B7|,2:PA14R1C11->LC3_B12||";
    LC3_C16 : LORAX = "1:MSW2R2C15,V7C15,HHR14R1,PA7R1C22->LC6_B23|";
    LC1_B23 : LORAX = "1:MSW0R1C23,G36R1,PA2R1C9->LC6_B10|";
    LC6_B10 : LORAX = "1:MSW6R1C8,V18C8,HHL40R0,PA15R0C3->LC6_A4|";