EESchema Schematic File Version 2 LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:microcontrollers LIBS:dsp LIBS:microchip LIBS:analog_switches LIBS:motorola LIBS:texas LIBS:intel LIBS:audio LIBS:interface LIBS:digital-audio LIBS:philips LIBS:display LIBS:cypress LIBS:siliconi LIBS:opto LIBS:atmel LIBS:contrib LIBS:valves LIBS:65xx LIBS:74lvc EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L WD65C02 U1 U 1 1 5975BF41 P 5800 3600 F 0 "U1" H 5800 2450 60 0000 C CNN F 1 "WD65C02" V 5800 3500 60 0000 C CNN F 2 "footprints:dip40_smt_header" H 5300 3800 60 0001 C CNN F 3 "" H 5300 3800 60 0000 C CNN 1 5800 3600 1 0 0 -1 $EndComp $Comp L 74LVC8T245 U4 U 1 1 5975C5CE P 3650 5600 F 0 "U4" H 3150 6300 60 0000 L CNN F 1 "74LVC4245" H 3150 4900 60 0000 L CNN F 2 "footprints:SOIC-24W_7.5x15.4mm_Pitch1.27mm" H 3650 5500 60 0001 C CNN F 3 "" H 3650 5500 60 0000 C CNN 1 3650 5600 -1 0 0 1 $EndComp $Comp L CONN_02X20 P2 U 1 1 5975C737 P 1200 4100 F 0 "P2" H 1200 5150 50 0000 C CNN F 1 "CONN_02X20" V 1200 4100 50 0000 C CNN F 2 "footprints:Socket_Strip_Straight_2x20_Pitch2.54mm" H 1200 3150 50 0001 C CNN F 3 "" H 1200 3150 50 0000 C CNN 1 1200 4100 1 0 0 -1 $EndComp $Comp L CONN_02X20 P1 U 1 1 5975C7A4 P 10450 3950 F 0 "P1" H 10450 5000 50 0000 C CNN F 1 "CONN_02X20" V 10450 3950 50 0000 C CNN F 2 "footprints:Socket_Strip_Straight_2x20_Pitch2.54mm" H 10450 3000 50 0001 C CNN F 3 "" H 10450 3000 50 0000 C CNN 1 10450 3950 -1 0 0 1 $EndComp $Comp L 74LVC8T245 U5 U 1 1 5975C870 P 8100 3750 F 0 "U5" H 7600 4450 60 0000 L CNN F 1 "74LVC4245" H 7600 3050 60 0000 L CNN F 2 "footprints:SOIC-24W_7.5x15.4mm_Pitch1.27mm" H 8100 3650 60 0001 C CNN F 3 "" H 8100 3650 60 0000 C CNN 1 8100 3750 1 0 0 -1 $EndComp $Comp L 74LVC8T245 U2 U 1 1 5975C8C1 P 3300 1650 F 0 "U2" H 2800 2350 60 0000 L CNN F 1 "74LVC4245" H 2800 950 60 0000 L CNN F 2 "footprints:SOIC-24W_7.5x15.4mm_Pitch1.27mm" H 3300 1550 60 0001 C CNN F 3 "" H 3300 1550 60 0000 C CNN 1 3300 1650 -1 0 0 1 $EndComp $Comp L 74LVC8T245 U3 U 1 1 5975C914 P 3250 3850 F 0 "U3" H 2750 4550 60 0000 L CNN F 1 "74LVC4245" H 2750 3150 60 0000 L CNN F 2 "footprints:SOIC-24W_7.5x15.4mm_Pitch1.27mm" H 3250 3750 60 0001 C CNN F 3 "" H 3250 3750 60 0000 C CNN 1 3250 3850 -1 0 0 1 $EndComp $Comp L 74LVC8T245 U6 U 1 1 5975C957 P 8100 1950 F 0 "U6" H 7600 2650 60 0000 L CNN F 1 "74LVC4245" H 7600 1250 60 0000 L CNN F 2 "footprints:SOIC-24W_7.5x15.4mm_Pitch1.27mm" H 8100 1850 60 0001 C CNN F 3 "" H 8100 1850 60 0000 C CNN 1 8100 1950 1 0 0 -1 $EndComp Text Label 6700 3400 0 60 ~ 0 D0 Text Label 6700 3500 0 60 ~ 0 D1 Text Label 6700 3600 0 60 ~ 0 D2 Text Label 6700 3700 0 60 ~ 0 D3 Text Label 6700 3800 0 60 ~ 0 D4 Text Label 6700 3900 0 60 ~ 0 D5 Text Label 6700 4000 0 60 ~ 0 D6 Text Label 6700 4100 0 60 ~ 0 D7 Text Label 6450 4600 0 60 ~ 0 GND Text Label 7400 4300 2 60 ~ 0 GND Text Label 7400 4200 2 60 ~ 0 GND Text Label 7400 3200 2 60 ~ 0 5V Text Label 8800 3200 0 60 ~ 0 3V3 Text Label 8800 3300 0 60 ~ 0 3V3 Text Label 3950 3300 0 60 ~ 0 GND Text Label 3950 3400 0 60 ~ 0 GND Text Label 3950 4300 0 60 ~ 0 GND Text Label 3950 4400 0 60 ~ 0 5V Text Label 2550 4400 2 60 ~ 0 3V3 Text Label 2550 4300 2 60 ~ 0 3V3 Text Label 2550 3300 2 60 ~ 0 GND Text Label 4600 3500 2 60 ~ 0 A0 Text Label 4600 3600 2 60 ~ 0 A1 Text Label 4600 3700 2 60 ~ 0 A2 Text Label 4600 3800 2 60 ~ 0 A3 Text Label 4600 3900 2 60 ~ 0 A4 Text Label 4600 4000 2 60 ~ 0 A5 Text Label 4600 4100 2 60 ~ 0 A6 Text Label 4600 4200 2 60 ~ 0 A7 Text Label 5150 3400 2 60 ~ 0 5V Text Label 8800 4300 0 60 ~ 0 3V3 Text Label 4500 5650 0 60 ~ 0 A8 Text Label 4500 5750 0 60 ~ 0 A9 Text Label 4500 5850 0 60 ~ 0 A10 Text Label 4500 5950 0 60 ~ 0 A11 Text Label 4500 5250 0 60 ~ 0 A15 Text Label 4500 5350 0 60 ~ 0 A14 Text Label 4500 5450 0 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Label 4450 1600 0 60 ~ 0 PHI2OUT Text Label 4450 1700 0 60 ~ 0 PHI1OUT Text Label 4450 1800 0 60 ~ 0 nML Text Label 4450 1900 0 60 ~ 0 RnW Text Label 4450 2000 0 60 ~ 0 SYNC Text Label 7250 1700 2 60 ~ 0 nRST Text Label 7250 1800 2 60 ~ 0 RDY Text Label 7250 1900 2 60 ~ 0 nSO Text Label 7250 2000 2 60 ~ 0 nIRQ Text Label 7250 2100 2 60 ~ 0 PHI2 Text Label 7250 2200 2 60 ~ 0 BE Text Label 7250 2300 2 60 ~ 0 nNMI NoConn ~ 6450 3200 $Comp L CONN_01X03 P3 U 1 1 59760CE2 P 5150 1050 F 0 "P3" H 5150 1250 50 0000 C CNN F 1 "CONN_01X03" V 5250 1050 50 0000 C CNN F 2 "footprints:Pin_Header_Straight_1x03_Pitch2.00mm" H 5150 1050 50 0001 C CNN F 3 "" H 5150 1050 50 0000 C CNN 1 5150 1050 0 -1 -1 0 $EndComp Text Label 5350 1250 0 60 ~ 0 GND $Comp L CONN_01X02 P4 U 1 1 5976110F P 4300 2850 F 0 "P4" H 4300 3000 50 0000 C CNN F 1 "CONN_01X02" V 4400 2850 50 0000 C CNN F 2 "footprints:Pin_Header_Straight_1x02_Pitch2.00mm" H 4300 2850 50 0001 C CNN F 3 "" H 4300 2850 50 0000 C CNN 1 4300 2850 -1 0 0 1 $EndComp Text Label 2550 3400 2 60 ~ 0 LV_A0 Text Label 2550 3500 2 60 ~ 0 LV_A1 Text Label 2550 3600 2 60 ~ 0 LV_A2 Text Label 2550 3700 2 60 ~ 0 LV_A3 Text Label 2550 3800 2 60 ~ 0 LV_A4 Text Label 2550 3900 2 60 ~ 0 LV_A5 Text Label 2550 4000 2 60 ~ 0 LV_A6 Text Label 2550 4100 2 60 ~ 0 LV_A7 Text Label 2550 4200 2 60 ~ 0 LV_OEAL Text Label 2950 5150 2 60 ~ 0 LV_A15 Text Label 2950 5250 2 60 ~ 0 LV_A14 Text Label 2950 5350 2 60 ~ 0 LV_A13 Text Label 2950 5450 2 60 ~ 0 LV_A12 Text Label 2950 5550 2 60 ~ 0 LV_A8 Text Label 2950 5650 2 60 ~ 0 LV_A9 Text Label 2950 5750 2 60 ~ 0 LV_A10 Text Label 2950 5850 2 60 ~ 0 LV_A11 Text Label 2950 5950 2 60 ~ 0 LV_OEAH Text Label 8800 3400 0 60 ~ 0 LV_OED Text Label 8800 3500 0 60 ~ 0 LV_D0 Text Label 8800 3600 0 60 ~ 0 LV_D1 Text Label 8800 3700 0 60 ~ 0 LV_D2 Text Label 8800 3800 0 60 ~ 0 LV_D3 Text Label 8800 3900 0 60 ~ 0 LV_D4 Text Label 8800 4000 0 60 ~ 0 LV_D5 Text Label 8800 4100 0 60 ~ 0 LV_D6 Text Label 8800 4200 0 60 ~ 0 LV_D7 Text Label 8800 1600 0 60 ~ 0 GND Text Label 8800 1800 0 60 ~ 0 LV_nRST Text Label 8800 1900 0 60 ~ 0 LV_RDY Text Label 8800 2000 0 60 ~ 0 LV_nSO Text Label 8800 2100 0 60 ~ 0 LV_nIRQ Text Label 8800 2200 0 60 ~ 0 LV_PHI2 Text Label 8800 2300 0 60 ~ 0 LV_BE Text Label 8800 2400 0 60 ~ 0 LV_nNMI NoConn ~ 8800 1700 NoConn ~ 7400 1600 NoConn ~ 4000 1300 NoConn ~ 4000 1400 NoConn ~ 2600 1300 Text Label 2600 2000 2 60 ~ 0 GND Text Label 4000 2100 0 60 ~ 0 GND Text Label 2600 1400 2 60 ~ 0 LV_nVP Text Label 2600 1500 2 60 ~ 0 LV_PHI2OUT Text Label 2600 1600 2 60 ~ 0 LV_PHI1OUT Text Label 2600 1700 2 60 ~ 0 LV_nML Text Label 2600 1800 2 60 ~ 0 LV_RnW Text Label 2600 1900 2 60 ~ 0 LV_SYNC $Comp L R_Small R1 U 1 1 59761BB3 P 7050 1100 F 0 "R1" H 7080 1120 50 0000 L CNN F 1 "4K7" H 7080 1060 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 7050 1100 50 0001 C CNN F 3 "" H 7050 1100 50 0000 C CNN 1 7050 1100 1 0 0 -1 $EndComp Text Label 7050 900 2 60 ~ 0 5V $Comp L C_Small C1 U 1 1 597620E8 P 1100 6900 F 0 "C1" H 1110 6970 50 0000 L CNN F 1 "100nF" H 1110 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 1100 6900 50 0001 C CNN F 3 "" H 1100 6900 50 0000 C CNN 1 1100 6900 1 0 0 -1 $EndComp $Comp L C_Small C2 U 1 1 5976220A P 1400 6900 F 0 "C2" H 1410 6970 50 0000 L CNN F 1 "100nF" H 1410 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 1400 6900 50 0001 C CNN F 3 "" H 1400 6900 50 0000 C CNN 1 1400 6900 1 0 0 -1 $EndComp $Comp L C_Small C3 U 1 1 59762254 P 1700 6900 F 0 "C3" H 1710 6970 50 0000 L CNN F 1 "100nF" H 1710 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 1700 6900 50 0001 C CNN F 3 "" H 1700 6900 50 0000 C CNN 1 1700 6900 1 0 0 -1 $EndComp $Comp L C_Small C4 U 1 1 59762296 P 2000 6900 F 0 "C4" H 2010 6970 50 0000 L CNN F 1 "100nF" H 2010 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 2000 6900 50 0001 C CNN F 3 "" H 2000 6900 50 0000 C CNN 1 2000 6900 1 0 0 -1 $EndComp $Comp L C_Small C5 U 1 1 597622DF P 2300 6900 F 0 "C5" H 2310 6970 50 0000 L CNN F 1 "100nF" H 2310 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 2300 6900 50 0001 C CNN F 3 "" H 2300 6900 50 0000 C CNN 1 2300 6900 1 0 0 -1 $EndComp $Comp L C_Small C7 U 1 1 597624D7 P 3250 6900 F 0 "C7" H 3260 6970 50 0000 L CNN F 1 "100nF" H 3260 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 3250 6900 50 0001 C CNN F 3 "" H 3250 6900 50 0000 C CNN 1 3250 6900 1 0 0 -1 $EndComp $Comp L C_Small C8 U 1 1 5976252A P 3550 6900 F 0 "C8" H 3560 6970 50 0000 L CNN F 1 "100nF" H 3560 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 3550 6900 50 0001 C CNN F 3 "" H 3550 6900 50 0000 C CNN 1 3550 6900 1 0 0 -1 $EndComp $Comp L C_Small C9 U 1 1 59762588 P 3850 6900 F 0 "C9" H 3860 6970 50 0000 L CNN F 1 "100nF" H 3860 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 3850 6900 50 0001 C CNN F 3 "" H 3850 6900 50 0000 C CNN 1 3850 6900 1 0 0 -1 $EndComp $Comp L C_Small C10 U 1 1 597625E5 P 4150 6900 F 0 "C10" H 4160 6970 50 0000 L CNN F 1 "100nF" H 4160 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4150 6900 50 0001 C CNN F 3 "" H 4150 6900 50 0000 C CNN 1 4150 6900 1 0 0 -1 $EndComp $Comp L C_Small C11 U 1 1 59762645 P 4450 6900 F 0 "C11" H 4460 6970 50 0000 L CNN F 1 "100nF" H 4460 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4450 6900 50 0001 C CNN F 3 "" H 4450 6900 50 0000 C CNN 1 4450 6900 1 0 0 -1 $EndComp $Comp L CP1_Small C6 U 1 1 597630BE P 2600 6900 F 0 "C6" H 2610 6970 50 0000 L CNN F 1 "10uF" H 2610 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 2600 6900 50 0001 C CNN F 3 "" H 2600 6900 50 0000 C CNN 1 2600 6900 1 0 0 -1 $EndComp $Comp L CP1_Small C12 U 1 1 59763501 P 4750 6900 F 0 "C12" H 4760 6970 50 0000 L CNN F 1 "10uF" H 4760 6820 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4750 6900 50 0001 C CNN F 3 "" H 4750 6900 50 0000 C CNN 1 4750 6900 1 0 0 -1 $EndComp Text Label 2600 6700 2 60 ~ 0 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LV_PHI2OUT Text Label 1450 3550 0 60 ~ 0 LV_RnW Text Label 1450 3450 0 60 ~ 0 LV_PHI1OUT Text Label 1450 3350 0 60 ~ 0 LV_nVP NoConn ~ 950 3250 NoConn ~ 950 3150 NoConn ~ 1450 3150 NoConn ~ 1450 3250 $Comp L PWR_FLAG #FLG01 U 1 1 597673C3 P 1100 6700 F 0 "#FLG01" H 1100 6795 50 0001 C CNN F 1 "PWR_FLAG" H 1100 6880 50 0000 C CNN F 2 "" H 1100 6700 50 0000 C CNN F 3 "" H 1100 6700 50 0000 C CNN 1 1100 6700 1 0 0 -1 $EndComp $Comp L PWR_FLAG #FLG02 U 1 1 59767405 P 3250 6700 F 0 "#FLG02" H 3250 6795 50 0001 C CNN F 1 "PWR_FLAG" H 3250 6880 50 0000 C CNN F 2 "" H 3250 6700 50 0000 C CNN F 3 "" H 3250 6700 50 0000 C CNN 1 3250 6700 1 0 0 -1 $EndComp $Comp L PWR_FLAG #FLG03 U 1 1 59767675 P 800 7100 F 0 "#FLG03" H 800 7195 50 0001 C CNN F 1 "PWR_FLAG" H 800 7280 50 0000 C CNN F 2 "" H 800 7100 50 0000 C CNN F 3 "" H 800 7100 50 0000 C CNN 1 800 7100 1 0 0 -1 $EndComp Wire Wire Line 6450 3400 7400 3400 Wire Wire Line 6450 3500 7400 3500 Wire Wire Line 6450 3600 7400 3600 Wire Wire Line 6450 3700 7400 3700 Wire Wire Line 6450 3800 7400 3800 Wire Wire Line 6450 3900 7400 3900 Wire Wire Line 6450 4000 7400 4000 Wire Wire Line 6450 4100 7400 4100 Wire Wire Line 5150 3500 3950 3500 Wire Wire Line 3950 3600 5150 3600 Wire Wire Line 5150 3700 3950 3700 Wire Wire Line 3950 3800 5150 3800 Wire Wire Line 3950 3900 5150 3900 Wire Wire Line 3950 4000 5150 4000 Wire Wire Line 3950 4100 5150 4100 Wire Wire Line 3950 4200 5150 4200 Wire Wire Line 5150 4300 4850 4300 Wire Wire Line 5150 4400 4950 4400 Wire Wire Line 5150 4500 5050 4500 Wire Wire Line 6450 4500 6650 4500 Wire Wire Line 6450 4400 6750 4400 Wire Wire Line 6450 4300 6850 4300 Wire Wire Line 6450 4200 6950 4200 Wire Wire Line 6450 2800 6550 2800 Wire Wire Line 6550 2800 6550 1600 Wire Wire Line 6550 1600 4000 1600 Wire Wire Line 5150 2900 4950 2900 Wire Wire Line 4950 2900 4950 1700 Wire Wire Line 4950 1700 4000 1700 Wire Wire Line 6450 3300 7400 3300 Wire Wire Line 5150 3300 4550 3300 Wire Wire Line 4550 3300 4550 2000 Wire Wire Line 6450 2700 6750 2700 Wire Wire Line 6750 2700 6750 1700 Wire Wire Line 6750 1700 7400 1700 Wire Wire Line 5150 2800 5050 2800 Wire Wire Line 5050 2800 5050 1800 Wire Wire Line 5050 1800 7400 1800 Wire Wire Line 6450 2900 6850 2900 Wire Wire Line 6850 2900 6850 1900 Wire Wire Line 6850 1900 7400 1900 Wire Wire Line 5150 3000 4850 3000 Wire Wire Line 4850 3000 4850 2000 Wire Wire Line 4850 2000 7400 2000 Wire Wire Line 6450 3000 6950 3000 Wire Wire Line 6950 3000 6950 2100 Wire Wire Line 6950 2100 7400 2100 Wire Wire Line 6450 3100 7050 3100 Wire Wire Line 7050 3100 7050 2200 Wire Wire Line 7050 2200 7400 2200 Wire Wire Line 5150 3200 4650 3200 Wire Wire Line 4650 3200 4650 2300 Wire Wire Line 4650 2300 7400 2300 Wire Wire Line 4550 2000 4000 2000 Wire Wire Line 6650 1900 4000 1900 Wire Wire Line 6650 3300 6650 1900 Wire Wire Line 5050 1500 5050 1250 Wire Wire Line 5150 1250 5150 2700 Wire Wire Line 5250 1250 5350 1250 Wire Wire Line 4000 1500 5050 1500 Wire Wire Line 5150 3100 4750 3100 Wire Wire Line 4750 3100 4750 2900 Wire Wire Line 4750 2900 4500 2900 Wire Wire Line 4500 2800 4750 2800 Wire Wire Line 4750 2800 4750 1800 Wire Wire Line 4750 1800 4000 1800 Connection ~ 6650 3300 Wire Wire Line 7050 1000 7050 900 Wire Wire Line 1100 7000 1100 7100 Wire Wire Line 800 7100 4750 7100 Wire Wire Line 4450 7100 4450 7000 Wire Wire Line 4150 7000 4150 7100 Connection ~ 4150 7100 Wire Wire Line 3850 7000 3850 7100 Wire Wire Line 3850 7100 3900 7100 Connection ~ 3900 7100 Wire Wire Line 3550 7000 3550 7100 Connection ~ 3550 7100 Wire Wire Line 3250 7000 3250 7100 Connection ~ 3250 7100 Wire Wire Line 2300 7000 2300 7100 Connection ~ 2300 7100 Wire Wire Line 2000 7000 2000 7100 Connection ~ 2000 7100 Wire Wire Line 1700 7000 1700 7100 Connection ~ 1700 7100 Wire Wire Line 1400 7000 1400 7100 Connection ~ 1400 7100 Wire Wire Line 1100 6800 1100 6700 Wire Wire Line 1100 6700 2600 6700 Wire Wire Line 2300 6700 2300 6800 Wire Wire Line 2000 6800 2000 6700 Connection ~ 2000 6700 Wire Wire Line 1700 6800 1700 6700 Connection ~ 1700 6700 Wire Wire Line 1400 6800 1400 6700 Connection ~ 1400 6700 Wire Wire Line 3250 6800 3250 6700 Wire Wire Line 3250 6700 4750 6700 Wire Wire Line 4450 6700 4450 6800 Wire Wire Line 4150 6800 4150 6700 Connection ~ 4150 6700 Wire Wire Line 3850 6800 3850 6700 Connection ~ 3850 6700 Wire Wire Line 3550 6800 3550 6700 Connection ~ 3550 6700 Wire Wire Line 2600 6700 2600 6800 Connection ~ 2300 6700 Wire Wire Line 2600 7000 2600 7100 Connection ~ 2600 7100 Wire Wire Line 4750 6700 4750 6800 Connection ~ 4450 6700 Wire Wire Line 4750 7100 4750 7000 Connection ~ 4450 7100 Connection ~ 1100 7100 Wire Wire Line 7400 1500 7050 1500 Wire Wire Line 7050 1500 7050 1200 Wire Wire Line 4350 5250 6950 5250 Wire Wire Line 6950 5250 6950 4200 Wire Wire Line 6850 4300 6850 5350 Wire Wire Line 6850 5350 4350 5350 Wire Wire Line 6750 4400 6750 5450 Wire Wire Line 6750 5450 4350 5450 Wire Wire Line 4350 5550 6650 5550 Wire Wire Line 6650 5550 6650 4500 Wire Wire Line 4850 4300 4850 5650 Wire Wire Line 4850 5650 4350 5650 Wire Wire Line 4350 5750 4950 5750 Wire Wire Line 4950 5750 4950 4400 Wire Wire Line 5050 4500 5050 5850 Wire Wire Line 5050 5850 4350 5850 Wire Wire Line 5150 4600 5150 5950 Wire Wire Line 5150 5950 4350 5950 $EndSCHEMATC