EESchema Schematic File Version 2 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:power LIBS:eSim_Plot LIBS:transistors LIBS:conn LIBS:eSim_User LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:eSim_Analog LIBS:eSim_Devices LIBS:eSim_Digital LIBS:eSim_Hybrid LIBS:eSim_Miscellaneous LIBS:eSim_Power LIBS:eSim_Sources LIBS:eSim_Subckt LIBS:eSim_Nghdl LIBS:eSim_Ngveri LIBS:eSim_SKY130 LIBS:eSim_SKY130_Subckts LIBS:LM301-cache EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Wire Wire Line 3200 7500 9600 7500 Connection ~ 4900 7500 Connection ~ 4300 7500 Connection ~ 5400 7500 Connection ~ 6000 7500 Connection ~ 8200 7500 Connection ~ 8950 7500 $Comp L eSim_NPN Q3 U 1 1 666BEA45 P 2100 1600 F 0 "Q3" H 2000 1650 50 0000 R CNN F 1 "eSim_NPN" H 2050 1750 50 0000 R CNN F 2 "" H 2300 1700 29 0000 C CNN F 3 "" H 2100 1600 60 0000 C CNN 1 2100 1600 1 0 0 -1 $EndComp $Comp L eSim_NPN Q1 U 1 1 666BEA46 P 2000 2200 F 0 "Q1" H 1900 2250 50 0000 R CNN F 1 "eSim_NPN" H 1950 2350 50 0000 R CNN F 2 "" H 2200 2300 29 0000 C CNN F 3 "" H 2000 2200 60 0000 C CNN 1 2000 2200 -1 0 0 -1 $EndComp $Comp L eSim_PNP Q5 U 1 1 666BEA47 P 2400 2800 F 0 "Q5" H 2300 2850 50 0000 R CNN F 1 "eSim_PNP" H 2350 2950 50 0000 R CNN F 2 "" H 2600 2900 29 0000 C CNN F 3 "" H 2400 2800 60 0000 C CNN 1 2400 2800 -1 0 0 1 $EndComp $Comp L eSim_NPN Q12 U 1 1 666BEA48 P 4350 1600 F 0 "Q12" H 4250 1650 50 0000 R CNN F 1 "eSim_NPN" H 4300 1750 50 0000 R CNN F 2 "" H 4550 1700 29 0000 C CNN F 3 "" H 4350 1600 60 0000 C CNN 1 4350 1600 -1 0 0 -1 $EndComp $Comp L eSim_NPN Q13 U 1 1 666BEA49 P 4450 2200 F 0 "Q13" H 4350 2250 50 0000 R CNN F 1 "eSim_NPN" H 4400 2350 50 0000 R CNN F 2 "" H 4650 2300 29 0000 C CNN F 3 "" H 4450 2200 60 0000 C CNN 1 4450 2200 1 0 0 -1 $EndComp $Comp L eSim_PNP Q11 U 1 1 666BEA4A P 4050 2800 F 0 "Q11" H 3950 2850 50 0000 R CNN F 1 "eSim_PNP" H 4000 2950 50 0000 R CNN F 2 "" H 4250 2900 29 0000 C CNN F 3 "" H 4050 2800 60 0000 C CNN 1 4050 2800 1 0 0 1 $EndComp $Comp L eSim_NPN Q4 U 1 1 666BEA4B P 2150 3700 F 0 "Q4" H 2050 3750 50 0000 R CNN F 1 "eSim_NPN" H 2100 3850 50 0000 R CNN F 2 "" H 2350 3800 29 0000 C CNN F 3 "" H 2150 3700 60 0000 C CNN 1 2150 3700 1 0 0 -1 $EndComp $Comp L eSim_NPN Q2 U 1 1 666BEA4C P 2050 4300 F 0 "Q2" H 1950 4350 50 0000 R CNN F 1 "eSim_NPN" H 2000 4450 50 0000 R CNN F 2 "" H 2250 4400 29 0000 C CNN F 3 "" H 2050 4300 60 0000 C CNN 1 2050 4300 -1 0 0 -1 $EndComp $Comp L resistor R1 U 1 1 666BEA4D P 2350 4600 F 0 "R1" H 2400 4730 50 0000 C CNN F 1 "40k" H 2400 4550 50 0000 C CNN F 2 "" H 2400 4580 30 0000 C CNN F 3 "" V 2400 4650 30 0000 C CNN 1 2350 4600 0 1 1 0 $EndComp $Comp L eSim_PNP Q10 U 1 1 666BEA4E P 3500 4300 F 0 "Q10" H 3400 4350 50 0000 R CNN F 1 "eSim_PNP" H 3450 4450 50 0000 R CNN F 2 "" H 3700 4400 29 0000 C CNN F 3 "" H 3500 4300 60 0000 C CNN 1 3500 4300 1 0 0 1 $EndComp $Comp L eSim_NPN Q8 U 1 1 666BEA4F P 3300 5400 F 0 "Q8" H 3200 5450 50 0000 R CNN F 1 "eSim_NPN" H 3250 5550 50 0000 R CNN F 2 "" H 3500 5500 29 0000 C CNN F 3 "" H 3300 5400 60 0000 C CNN 1 3300 5400 -1 0 0 -1 $EndComp $Comp L eSim_NPN Q7 U 1 1 666BEA50 P 2900 6000 F 0 "Q7" H 2800 6050 50 0000 R CNN F 1 "eSim_NPN" H 2850 6150 50 0000 R CNN F 2 "" H 3100 6100 29 0000 C CNN F 3 "" H 2900 6000 60 0000 C CNN 1 2900 6000 -1 0 0 -1 $EndComp $Comp L resistor R3 U 1 1 666BEA51 P 3150 6200 F 0 "R3" H 3200 6330 50 0000 C CNN F 1 "20k" H 3200 6150 50 0000 C CNN F 2 "" H 3200 6180 30 0000 C CNN F 3 "" V 3200 6250 30 0000 C CNN 1 3150 6200 0 1 1 0 $EndComp $Comp L resistor R4 U 1 1 666BEA52 P 3150 6900 F 0 "R4" H 3200 7030 50 0000 C CNN F 1 "20k" H 3200 6850 50 0000 C CNN F 2 "" H 3200 6880 30 0000 C CNN F 3 "" V 3200 6950 30 0000 C CNN 1 3150 6900 0 1 1 0 $EndComp $Comp L jfet_n J1 U 1 1 666BEA53 P 4800 4900 F 0 "J1" H 4700 4950 50 0000 R CNN F 1 "jfet_n" H 4750 5050 50 0000 R CNN F 2 "" H 5000 5000 29 0000 C CNN F 3 "" H 4800 4900 60 0000 C CNN 1 4800 4900 1 0 0 -1 $EndComp $Comp L resistor R5 U 1 1 666BEA54 P 4850 5500 F 0 "R5" H 4900 5630 50 0000 C CNN F 1 "450" H 4900 5450 50 0000 C CNN F 2 "" H 4900 5480 30 0000 C CNN F 3 "" V 4900 5550 30 0000 C CNN 1 4850 5500 0 1 1 0 $EndComp $Comp L eSim_NPN Q14 U 1 1 666BEA55 P 5000 6200 F 0 "Q14" H 4900 6250 50 0000 R CNN F 1 "eSim_NPN" H 4950 6350 50 0000 R CNN F 2 "" H 5200 6300 29 0000 C CNN F 3 "" H 5000 6200 60 0000 C CNN 1 5000 6200 -1 0 0 -1 $EndComp $Comp L resistor R6 U 1 1 666BEA56 P 5350 6600 F 0 "R6" H 5400 6730 50 0000 C CNN F 1 "10k" H 5400 6550 50 0000 C CNN F 2 "" H 5400 6580 30 0000 C CNN F 3 "" V 5400 6650 30 0000 C CNN 1 5350 6600 0 1 1 0 $EndComp $Comp L eSim_NPN Q15 U 1 1 666BEA57 P 5300 5300 F 0 "Q15" H 5200 5350 50 0000 R CNN F 1 "eSim_NPN" H 5250 5450 50 0000 R CNN F 2 "" H 5500 5400 29 0000 C CNN F 3 "" H 5300 5300 60 0000 C CNN 1 5300 5300 1 0 0 -1 $EndComp $Comp L eSim_NPN Q16 U 1 1 666BEA58 P 6100 4500 F 0 "Q16" H 6000 4550 50 0000 R CNN F 1 "eSim_NPN" H 6050 4650 50 0000 R CNN F 2 "" H 6300 4600 29 0000 C CNN F 3 "" H 6100 4500 60 0000 C CNN 1 6100 4500 -1 0 0 -1 $EndComp $Comp L resistor R7 U 1 1 666BEA59 P 5600 4150 F 0 "R7" H 5650 4280 50 0000 C CNN F 1 "120" H 5650 4100 50 0000 C CNN F 2 "" H 5650 4130 30 0000 C CNN F 3 "" V 5650 4200 30 0000 C CNN 1 5600 4150 1 0 0 -1 $EndComp $Comp L eSim_NPN Q17 U 1 1 666BEA5A P 7000 4100 F 0 "Q17" H 6900 4150 50 0000 R CNN F 1 "eSim_NPN" H 6950 4250 50 0000 R CNN F 2 "" H 7200 4200 29 0000 C CNN F 3 "" H 7000 4100 60 0000 C CNN 1 7000 4100 1 0 0 -1 $EndComp $Comp L eSim_NPN Q19 U 1 1 666BEA5B P 7500 4600 F 0 "Q19" H 7400 4650 50 0000 R CNN F 1 "eSim_NPN" H 7450 4750 50 0000 R CNN F 2 "" H 7700 4700 29 0000 C CNN F 3 "" H 7500 4600 60 0000 C CNN 1 7500 4600 1 0 0 -1 $EndComp $Comp L resistor R8 U 1 1 666BEA5C P 7050 4850 F 0 "R8" H 7100 4980 50 0000 C CNN F 1 "40k" H 7100 4800 50 0000 C CNN F 2 "" H 7100 4830 30 0000 C CNN F 3 "" V 7100 4900 30 0000 C CNN 1 7050 4850 0 1 1 0 $EndComp $Comp L resistor R9 U 1 1 666BEA5D P 7550 3700 F 0 "R9" H 7600 3830 50 0000 C CNN F 1 "1k" H 7600 3650 50 0000 C CNN F 2 "" H 7600 3680 30 0000 C CNN F 3 "" V 7600 3750 30 0000 C CNN 1 7550 3700 0 1 1 0 $EndComp $Comp L eSim_PNP Q22 U 1 1 666BEA5E P 8100 4200 F 0 "Q22" H 8000 4250 50 0000 R CNN F 1 "eSim_PNP" H 8050 4350 50 0000 R CNN F 2 "" H 8300 4300 29 0000 C CNN F 3 "" H 8100 4200 60 0000 C CNN 1 8100 4200 1 0 0 1 $EndComp $Comp L eSim_PNP Q25 U 1 1 666BEA5F P 8800 4200 F 0 "Q25" H 8700 4250 50 0000 R CNN F 1 "eSim_PNP" H 8750 4350 50 0000 R CNN F 2 "" H 9000 4300 29 0000 C CNN F 3 "" H 8800 4200 60 0000 C CNN 1 8800 4200 1 0 0 1 $EndComp $Comp L resistor R13 U 1 1 666BEA60 P 9250 3650 F 0 "R13" H 9300 3780 50 0000 C CNN F 1 "7.5k" H 9300 3600 50 0000 C CNN F 2 "" H 9300 3630 30 0000 C CNN F 3 "" V 9300 3700 30 0000 C CNN 1 9250 3650 1 0 0 -1 $EndComp $Comp L resistor R14 U 1 1 666BEA61 P 9550 3100 F 0 "R14" H 9600 3230 50 0000 C CNN F 1 "65" H 9600 3050 50 0000 C CNN F 2 "" H 9600 3080 30 0000 C CNN F 3 "" V 9600 3150 30 0000 C CNN 1 9550 3100 0 1 1 0 $EndComp $Comp L resistor R11 U 1 1 666BEA62 P 8850 4900 F 0 "R11" H 8900 5030 50 0000 C CNN F 1 "80k" H 8900 4850 50 0000 C CNN F 2 "" H 8900 4880 30 0000 C CNN F 3 "" V 8900 4950 30 0000 C CNN 1 8850 4900 0 1 1 0 $EndComp $Comp L eSim_NPN Q26 U 1 1 666BEA63 P 9500 4400 F 0 "Q26" H 9400 4450 50 0000 R CNN F 1 "eSim_NPN" H 9450 4550 50 0000 R CNN F 2 "" H 9700 4500 29 0000 C CNN F 3 "" H 9500 4400 60 0000 C CNN 1 9500 4400 1 0 0 -1 $EndComp $Comp L eSim_PNP Q6 U 1 1 666BEA64 P 2850 2800 F 0 "Q6" H 2750 2850 50 0000 R CNN F 1 "eSim_PNP" H 2800 2950 50 0000 R CNN F 2 "" H 3050 2900 29 0000 C CNN F 3 "" H 2850 2800 60 0000 C CNN 1 2850 2800 -1 0 0 1 $EndComp $Comp L eSim_PNP Q9 U 1 1 666BEA65 P 3500 2800 F 0 "Q9" H 3400 2850 50 0000 R CNN F 1 "eSim_PNP" H 3450 2950 50 0000 R CNN F 2 "" H 3700 2900 29 0000 C CNN F 3 "" H 3500 2800 60 0000 C CNN 1 3500 2800 1 0 0 1 $EndComp $Comp L eSim_PNP Q18 U 1 1 666BEA66 P 7200 1350 F 0 "Q18" H 7100 1400 50 0000 R CNN F 1 "eSim_PNP" H 7150 1500 50 0000 R CNN F 2 "" H 7400 1450 29 0000 C CNN F 3 "" H 7200 1350 60 0000 C CNN 1 7200 1350 1 0 0 1 $EndComp $Comp L eSim_PNP Q20 U 1 1 666BEA67 P 7700 1350 F 0 "Q20" H 7600 1400 50 0000 R CNN F 1 "eSim_PNP" H 7650 1500 50 0000 R CNN F 2 "" H 7900 1450 29 0000 C CNN F 3 "" H 7700 1350 60 0000 C CNN 1 7700 1350 1 0 0 1 $EndComp $Comp L eSim_NPN Q21 U 1 1 666BEA68 P 7700 2000 F 0 "Q21" H 7600 2050 50 0000 R CNN F 1 "eSim_NPN" H 7650 2150 50 0000 R CNN F 2 "" H 7900 2100 29 0000 C CNN F 3 "" H 7700 2000 60 0000 C CNN 1 7700 2000 1 0 0 -1 $EndComp $Comp L eSim_NPN Q23 U 1 1 666BEA69 P 8250 2000 F 0 "Q23" H 8150 2050 50 0000 R CNN F 1 "eSim_NPN" H 8200 2150 50 0000 R CNN F 2 "" H 8450 2100 29 0000 C CNN F 3 "" H 8250 2000 60 0000 C CNN 1 8250 2000 -1 0 0 -1 $EndComp $Comp L eSim_NPN Q24 U 1 1 666BEA6A P 8800 1600 F 0 "Q24" H 8700 1650 50 0000 R CNN F 1 "eSim_NPN" H 8750 1750 50 0000 R CNN F 2 "" H 9000 1700 29 0000 C CNN F 3 "" H 8800 1600 60 0000 C CNN 1 8800 1600 1 0 0 -1 $EndComp $Comp L resistor R10 U 1 1 666BEA6B P 8650 2150 F 0 "R10" H 8700 2280 50 0000 C CNN F 1 "25" H 8700 2100 50 0000 C CNN F 2 "" H 8700 2130 30 0000 C CNN F 3 "" V 8700 2200 30 0000 C CNN 1 8650 2150 0 1 1 0 $EndComp Wire Wire Line 2200 1400 2200 600 Wire Wire Line 2200 600 8900 600 Wire Wire Line 4250 600 4250 1400 Wire Wire Line 2200 1800 2200 2600 Wire Wire Line 2200 2600 2300 2600 Connection ~ 2200 2200 Wire Wire Line 1900 2000 1450 2000 Wire Wire Line 1450 2000 1450 850 Wire Wire Line 1450 850 2200 850 Connection ~ 2200 850 Wire Wire Line 1900 2400 1100 2400 Wire Wire Line 1100 2400 1100 1600 Wire Wire Line 950 1600 1900 1600 Wire Wire Line 2750 2600 2750 2500 Wire Wire Line 2750 2500 2200 2500 Connection ~ 2200 2500 Wire Wire Line 2600 2800 2600 2150 Wire Wire Line 2600 2150 3100 2150 Wire Wire Line 3050 2150 3050 2800 Wire Wire Line 2750 3000 2750 3200 Wire Wire Line 2750 3200 3600 3200 Wire Wire Line 3600 3200 3600 3000 Wire Wire Line 2300 3000 1600 3000 Wire Wire Line 1600 3000 1600 4100 Wire Wire Line 1400 3700 1950 3700 Wire Wire Line 4150 3000 4150 3650 Wire Wire Line 4150 3650 3600 3650 Wire Wire Line 3600 3650 3600 4100 Wire Wire Line 3100 2150 3100 3200 Connection ~ 3100 3200 Connection ~ 3050 2150 Wire Wire Line 4250 1800 4250 2600 Wire Wire Line 4250 2600 4150 2600 Connection ~ 4250 2200 Wire Wire Line 3300 2150 3300 3550 Wire Wire Line 3300 2150 3850 2150 Wire Wire Line 3850 2150 3850 2800 Wire Wire Line 3600 2600 3600 2400 Wire Wire Line 3600 2400 4250 2400 Connection ~ 4250 2400 Connection ~ 3300 3200 Connection ~ 3300 2800 Wire Wire Line 3300 3550 2800 3550 Wire Wire Line 2800 3550 2800 5800 Wire Wire Line 3200 5600 3200 6100 Wire Wire Line 3200 6400 3200 6800 Wire Wire Line 2800 6200 2800 6600 Connection ~ 3200 6600 Wire Wire Line 3100 6000 3200 6000 Connection ~ 3200 6000 Wire Wire Line 2250 3500 9150 3500 Wire Wire Line 3200 3500 3200 5200 Wire Wire Line 3200 7100 3200 7500 Wire Wire Line 4900 7500 4900 6400 Wire Wire Line 5400 7500 5400 6800 Wire Wire Line 4600 4900 4300 4900 Wire Wire Line 4300 4900 4300 7500 Wire Wire Line 5400 5500 5400 6500 Wire Wire Line 5200 6200 5400 6200 Connection ~ 5400 6200 Wire Wire Line 4900 5700 4900 6000 Wire Wire Line 4900 5100 4900 5400 Wire Wire Line 5100 5300 4900 5300 Connection ~ 4900 5300 Wire Wire Line 2250 3900 2400 3900 Wire Wire Line 2400 3900 2400 4500 Wire Wire Line 2250 4300 3300 4300 Connection ~ 2400 4300 Wire Wire Line 1950 4500 1950 5250 Wire Wire Line 1950 5250 3600 5250 Wire Wire Line 2400 5250 2400 4800 Wire Wire Line 1600 4100 1950 4100 Connection ~ 1600 3700 Wire Wire Line 3500 5400 4550 5400 Wire Wire Line 4550 5400 4550 5850 Wire Wire Line 4550 5850 4900 5850 Connection ~ 4900 5850 Wire Wire Line 6000 4700 6000 7700 Wire Wire Line 4900 600 4900 4700 Connection ~ 4250 600 Wire Wire Line 3600 5250 3600 4500 Connection ~ 2400 5250 Wire Wire Line 5400 3500 5400 5100 Connection ~ 3200 3500 Wire Wire Line 5500 4100 4150 4100 Wire Wire Line 4150 4100 4150 3950 Wire Wire Line 4150 3950 3600 3950 Connection ~ 3600 3950 Wire Wire Line 7300 1150 7300 600 Wire Wire Line 7800 600 7800 1150 Wire Wire Line 8900 600 8900 1400 Connection ~ 7800 600 Wire Wire Line 7300 1550 7300 1850 Wire Wire Line 7300 1850 6650 1850 Wire Wire Line 6650 1850 6650 1350 Wire Wire Line 6650 1350 7000 1350 Connection ~ 7100 1850 Wire Wire Line 7500 1350 7500 900 Wire Wire Line 7500 900 6850 900 Wire Wire Line 6850 900 6850 1350 Connection ~ 6850 1350 Wire Wire Line 7800 1550 7800 1600 Wire Wire Line 7500 1600 8600 1600 Wire Wire Line 7800 1800 8000 1800 Wire Wire Line 8000 1800 8000 1600 Connection ~ 8000 1600 Wire Wire Line 8150 1800 8150 1600 Connection ~ 8150 1600 Wire Wire Line 7500 2000 7500 1600 Connection ~ 7800 1600 Connection ~ 8500 1600 Wire Wire Line 8150 2200 8150 2800 Wire Wire Line 8150 2800 10050 2800 Wire Wire Line 8700 2800 8700 2350 Wire Wire Line 8450 2000 9600 2000 Wire Wire Line 8700 2000 8700 2050 Wire Wire Line 8900 2000 8900 1800 Connection ~ 8700 2000 Wire Wire Line 9600 2000 9600 3000 Connection ~ 8900 2000 Wire Wire Line 9600 3300 9600 4200 Wire Wire Line 9600 3600 9450 3600 Wire Wire Line 9150 3500 9150 3600 Connection ~ 5400 3500 Wire Wire Line 7600 3000 7600 3600 Connection ~ 7600 3500 Wire Wire Line 6200 3000 7600 3000 Wire Wire Line 6200 400 6200 3000 Connection ~ 7300 600 Wire Wire Line 5800 4100 6800 4100 Wire Wire Line 6000 4100 6000 4300 Connection ~ 6000 4100 Wire Wire Line 7100 4300 7100 4750 Wire Wire Line 7300 4600 7100 4600 Connection ~ 7100 4600 Wire Wire Line 7600 3900 7600 4400 Wire Wire Line 7900 4200 7600 4200 Connection ~ 7600 4200 Wire Wire Line 7800 2200 7800 4000 Wire Wire Line 7800 4000 8200 4000 Wire Wire Line 9600 4000 8900 4000 Connection ~ 9600 3600 Connection ~ 9600 4000 Wire Wire Line 8600 4200 8600 3750 Wire Wire Line 8600 3750 7850 3750 Wire Wire Line 7850 3750 7850 4200 Connection ~ 7850 4200 $Comp L resistor R12 U 1 1 666BEA6C P 8900 5700 F 0 "R12" H 8950 5830 50 0000 C CNN F 1 "650" H 8950 5650 50 0000 C CNN F 2 "" H 8950 5680 30 0000 C CNN F 3 "" V 8950 5750 30 0000 C CNN 1 8900 5700 0 1 1 0 $EndComp Wire Wire Line 8900 4400 8900 4800 Wire Wire Line 8900 5100 8900 5600 Wire Wire Line 8900 5600 8950 5600 Wire Wire Line 8200 7500 8200 4400 Wire Wire Line 8950 7500 8950 5900 Wire Wire Line 9600 7500 9600 4600 Wire Wire Line 7100 5050 6600 5050 Wire Wire Line 6600 5050 6600 4500 Wire Wire Line 6600 4500 6300 4500 Wire Wire Line 6350 4500 6350 4700 Wire Wire Line 6350 4700 3600 4700 Connection ~ 3600 4700 Connection ~ 6350 4500 Wire Wire Line 7600 4800 7600 5250 Wire Wire Line 6850 5250 8900 5250 Wire Wire Line 6850 5250 6850 5050 Connection ~ 6850 5050 Connection ~ 8900 5250 Connection ~ 7600 5250 Wire Wire Line 7100 1850 7100 3900 Connection ~ 7100 3500 Connection ~ 6200 600 Connection ~ 4900 600 Wire Wire Line 5250 450 5250 4100 Connection ~ 5250 600 Connection ~ 5250 4100 Wire Wire Line 4550 2000 4550 1900 Wire Wire Line 4550 1900 4700 1900 Wire Wire Line 4700 1900 4700 600 Connection ~ 4700 600 Wire Wire Line 4550 2400 4800 2400 Wire Wire Line 4800 2400 4800 1600 Wire Wire Line 4800 1600 4550 1600 $Comp L resistor R2 U 1 1 666BEA6D P 2750 6700 F 0 "R2" H 2800 6830 50 0000 C CNN F 1 "5k" H 2800 6650 50 0000 C CNN F 2 "" H 2800 6680 30 0000 C CNN F 3 "" V 2800 6750 30 0000 C CNN 1 2750 6700 0 1 1 0 $EndComp Wire Wire Line 2800 6900 3000 6900 Wire Wire Line 3000 6900 3000 6600 Wire Wire Line 3000 6600 3200 6600 $Comp L PORT U1 U 1 1 666BEB78 P 5250 200 F 0 "U1" H 5300 300 30 0000 C CNN F 1 "PORT" H 5250 200 30 0000 C CNN F 2 "" H 5250 200 60 0000 C CNN F 3 "" H 5250 200 60 0000 C CNN 1 5250 200 0 1 1 0 $EndComp $Comp L PORT U1 U 2 1 666C29FD P 700 2000 F 0 "U1" H 750 2100 30 0000 C CNN F 1 "PORT" H 700 2000 30 0000 C CNN F 2 "" H 700 2000 60 0000 C CNN F 3 "" H 700 2000 60 0000 C CNN 2 700 2000 1 0 0 -1 $EndComp $Comp L PORT U1 U 3 1 666C2A6C P 700 1700 F 0 "U1" H 750 1800 30 0000 C CNN F 1 "PORT" H 700 1700 30 0000 C CNN F 2 "" H 700 1700 60 0000 C CNN F 3 "" H 700 1700 60 0000 C CNN 3 700 1700 1 0 0 -1 $EndComp Wire Wire Line 950 2000 4800 2000 Connection ~ 4800 2000 Wire Wire Line 950 1700 950 1600 Connection ~ 1100 1600 $Comp L PORT U1 U 4 1 666C807D P 5750 7700 F 0 "U1" H 5800 7800 30 0000 C CNN F 1 "PORT" H 5750 7700 30 0000 C CNN F 2 "" H 5750 7700 60 0000 C CNN F 3 "" H 5750 7700 60 0000 C CNN 4 5750 7700 1 0 0 -1 $EndComp $Comp L PORT U1 U 5 1 666CA22F P 1150 3700 F 0 "U1" H 1200 3800 30 0000 C CNN F 1 "PORT" H 1150 3700 30 0000 C CNN F 2 "" H 1150 3700 60 0000 C CNN F 3 "" H 1150 3700 60 0000 C CNN 5 1150 3700 1 0 0 -1 $EndComp $Comp L PORT U1 U 6 1 666CAF92 P 10300 2800 F 0 "U1" H 10350 2900 30 0000 C CNN F 1 "PORT" H 10300 2800 30 0000 C CNN F 2 "" H 10300 2800 60 0000 C CNN F 3 "" H 10300 2800 60 0000 C CNN 6 10300 2800 -1 0 0 1 $EndComp $Comp L PORT U1 U 7 1 666CBBBE P 5600 150 F 0 "U1" H 5650 250 30 0000 C CNN F 1 "PORT" H 5600 150 30 0000 C CNN F 2 "" H 5600 150 60 0000 C CNN F 3 "" H 5600 150 60 0000 C CNN 7 5600 150 0 1 1 0 $EndComp $Comp L PORT U1 U 8 1 666CBC41 P 5950 150 F 0 "U1" H 6000 250 30 0000 C CNN F 1 "PORT" H 5950 150 30 0000 C CNN F 2 "" H 5950 150 60 0000 C CNN F 3 "" H 5950 150 60 0000 C CNN 8 5950 150 0 1 1 0 $EndComp Connection ~ 8700 2800 Wire Wire Line 5600 400 5600 600 Connection ~ 5600 600 Wire Wire Line 6200 400 5950 400 $EndSCHEMATC