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:LM340_5V-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
$Comp
L resistor R1
U 1 1 66600FDC
P 1350 1200
F 0 "R1" H 1400 1330 50  0000 C CNN
F 1 "80k" H 1400 1150 50  0000 C CNN
F 2 "" H 1400 1180 30  0000 C CNN
F 3 "" V 1400 1250 30  0000 C CNN
	1    1350 1200
	0    1    1    0   
$EndComp
$Comp
L zener U2
U 1 1 66600FDD
P 1400 4700
F 0 "U2" H 1350 4600 60  0000 C CNN
F 1 "zener" H 1400 4800 60  0000 C CNN
F 2 "" H 1450 4700 60  0000 C CNN
F 3 "" H 1450 4700 60  0000 C CNN
	1    1400 4700
	0    -1   -1   0   
$EndComp
$Comp
L eSim_NPN Q1
U 1 1 66600FDE
P 1750 1950
F 0 "Q1" H 1650 2000 50  0000 R CNN
F 1 "eSim_NPN" H 1700 2100 50  0000 R CNN
F 2 "" H 1950 2050 29  0000 C CNN
F 3 "" H 1750 1950 60  0000 C CNN
	1    1750 1950
	1    0    0    -1  
$EndComp
$Comp
L resistor R2
U 1 1 66600FDF
P 1800 3500
F 0 "R2" H 1850 3630 50  0000 C CNN
F 1 "7k" H 1850 3450 50  0000 C CNN
F 2 "" H 1850 3480 30  0000 C CNN
F 3 "" V 1850 3550 30  0000 C CNN
	1    1800 3500
	0    1    1    0   
$EndComp
$Comp
L resistor R3
U 1 1 66600FE0
P 1800 5350
F 0 "R3" H 1850 5480 50  0000 C CNN
F 1 "4.97k" H 1850 5300 50  0000 C CNN
F 2 "" H 1850 5330 30  0000 C CNN
F 3 "" V 1850 5400 30  0000 C CNN
	1    1800 5350
	0    1    1    0   
$EndComp
$Comp
L resistor R4
U 1 1 66600FE1
P 1800 6150
F 0 "R4" H 1850 6280 50  0000 C CNN
F 1 "830" H 1850 6100 50  0000 C CNN
F 2 "" H 1850 6130 30  0000 C CNN
F 3 "" V 1850 6200 30  0000 C CNN
	1    1800 6150
	0    1    1    0   
$EndComp
$Comp
L eSim_NPN Q2
U 1 1 66600FE2
P 2200 5800
F 0 "Q2" H 2100 5850 50  0000 R CNN
F 1 "eSim_NPN" H 2150 5950 50  0000 R CNN
F 2 "" H 2400 5900 29  0000 C CNN
F 3 "" H 2200 5800 60  0000 C CNN
	1    2200 5800
	1    0    0    -1  
$EndComp
$Comp
L eSim_NPN Q3
U 1 1 66600FE3
P 2650 3900
F 0 "Q3" H 2550 3950 50  0000 R CNN
F 1 "eSim_NPN" H 2600 4050 50  0000 R CNN
F 2 "" H 2850 4000 29  0000 C CNN
F 3 "" H 2650 3900 60  0000 C CNN
	1    2650 3900
	1    0    0    -1  
$EndComp
$Comp
L resistor R5
U 1 1 66600FE4
P 2700 4550
F 0 "R5" H 2750 4680 50  0000 C CNN
F 1 "500" H 2750 4500 50  0000 C CNN
F 2 "" H 2750 4530 30  0000 C CNN
F 3 "" V 2750 4600 30  0000 C CNN
	1    2700 4550
	0    1    1    0   
$EndComp
$Comp
L eSim_NPN Q5
U 1 1 66600FE5
P 3050 3300
F 0 "Q5" H 2950 3350 50  0000 R CNN
F 1 "eSim_NPN" H 3000 3450 50  0000 R CNN
F 2 "" H 3250 3400 29  0000 C CNN
F 3 "" H 3050 3300 60  0000 C CNN
	1    3050 3300
	1    0    0    -1  
$EndComp
$Comp
L eSim_NPN Q7
U 1 1 66600FE6
P 3450 3900
F 0 "Q7" H 3350 3950 50  0000 R CNN
F 1 "eSim_NPN" H 3400 4050 50  0000 R CNN
F 2 "" H 3650 4000 29  0000 C CNN
F 3 "" H 3450 3900 60  0000 C CNN
	1    3450 3900
	-1   0    0    -1  
$EndComp
$Comp
L eSim_NPN Q8
U 1 1 66600FE7
P 3450 5350
F 0 "Q8" H 3350 5400 50  0000 R CNN
F 1 "eSim_NPN" H 3400 5500 50  0000 R CNN
F 2 "" H 3650 5450 29  0000 C CNN
F 3 "" H 3450 5350 60  0000 C CNN
	1    3450 5350
	-1   0    0    -1  
$EndComp
$Comp
L eSim_PNP Q4
U 1 1 66600FE8
P 2700 1300
F 0 "Q4" H 2600 1350 50  0000 R CNN
F 1 "eSim_PNP" H 2650 1450 50  0000 R CNN
F 2 "" H 2900 1400 29  0000 C CNN
F 3 "" H 2700 1300 60  0000 C CNN
	1    2700 1300
	1    0    0    1   
$EndComp
$Comp
L eSim_PNP Q6
U 1 1 66600FE9
P 3200 1300
F 0 "Q6" H 3100 1350 50  0000 R CNN
F 1 "eSim_PNP" H 3150 1450 50  0000 R CNN
F 2 "" H 3400 1400 29  0000 C CNN
F 3 "" H 3200 1300 60  0000 C CNN
	1    3200 1300
	1    0    0    1   
$EndComp
$Comp
L resistor R6
U 1 1 66600FEA
P 3300 6450
F 0 "R6" H 3350 6580 50  0000 C CNN
F 1 "1.2k" H 3350 6400 50  0000 C CNN
F 2 "" H 3350 6430 30  0000 C CNN
F 3 "" V 3350 6500 30  0000 C CNN
	1    3300 6450
	0    1    1    0   
$EndComp
$Comp
L resistor R7
U 1 1 66600FEB
P 3950 4800
F 0 "R7" H 4000 4930 50  0000 C CNN
F 1 "1.9k" H 4000 4750 50  0000 C CNN
F 2 "" H 4000 4780 30  0000 C CNN
F 3 "" V 4000 4850 30  0000 C CNN
	1    3950 4800
	0    1    1    0   
$EndComp
$Comp
L resistor R8
U 1 1 66600FEC
P 3950 5700
F 0 "R8" H 4000 5830 50  0000 C CNN
F 1 "26" H 4000 5650 50  0000 C CNN
F 2 "" H 4000 5680 30  0000 C CNN
F 3 "" V 4000 5750 30  0000 C CNN
	1    3950 5700
	0    1    1    0   
$EndComp
$Comp
L eSim_NPN Q9
U 1 1 66600FED
P 3900 6300
F 0 "Q9" H 3800 6350 50  0000 R CNN
F 1 "eSim_NPN" H 3850 6450 50  0000 R CNN
F 2 "" H 4100 6400 29  0000 C CNN
F 3 "" H 3900 6300 60  0000 C CNN
	1    3900 6300
	1    0    0    -1  
$EndComp
$Comp
L capacitor C1
U 1 1 66600FEE
P 3650 5950
F 0 "C1" H 3675 6050 50  0000 L CNN
F 1 "4p" H 3675 5850 50  0000 L CNN
F 2 "" H 3688 5800 30  0000 C CNN
F 3 "" H 3650 5950 60  0000 C CNN
	1    3650 5950
	0    1    1    0   
$EndComp
$Comp
L eSim_NPN Q10
U 1 1 66600FEF
P 4600 5350
F 0 "Q10" H 4500 5400 50  0000 R CNN
F 1 "eSim_NPN" H 4550 5500 50  0000 R CNN
F 2 "" H 4800 5450 29  0000 C CNN
F 3 "" H 4600 5350 60  0000 C CNN
	1    4600 5350
	1    0    0    -1  
$EndComp
$Comp
L resistor R9
U 1 1 66600FF0
P 4650 5950
F 0 "R9" H 4700 6080 50  0000 C CNN
F 1 "12.1k" H 4700 5900 50  0000 C CNN
F 2 "" H 4700 5930 30  0000 C CNN
F 3 "" V 4700 6000 30  0000 C CNN
	1    4650 5950
	0    1    1    0   
$EndComp
$Comp
L eSim_NPN Q11
U 1 1 66600FF1
P 5200 5350
F 0 "Q11" H 5100 5400 50  0000 R CNN
F 1 "eSim_NPN" H 5150 5500 50  0000 R CNN
F 2 "" H 5400 5450 29  0000 C CNN
F 3 "" H 5200 5350 60  0000 C CNN
	1    5200 5350
	1    0    0    -1  
$EndComp
$Comp
L resistor R12
U 1 1 66600FF2
P 5250 5950
F 0 "R12" H 5300 6080 50  0000 C CNN
F 1 "1k" H 5300 5900 50  0000 C CNN
F 2 "" H 5300 5930 30  0000 C CNN
F 3 "" V 5300 6000 30  0000 C CNN
	1    5250 5950
	0    1    1    0   
$EndComp
$Comp
L resistor R11
U 1 1 66600FF3
P 5250 4300
F 0 "R11" H 5300 4430 50  0000 C CNN
F 1 "16.5k" H 5300 4250 50  0000 C CNN
F 2 "" H 5300 4280 30  0000 C CNN
F 3 "" V 5300 4350 30  0000 C CNN
	1    5250 4300
	0    1    1    0   
$EndComp
$Comp
L eSim_NPN Q13
U 1 1 66600FF4
P 5400 3550
F 0 "Q13" H 5300 3600 50  0000 R CNN
F 1 "eSim_NPN" H 5350 3700 50  0000 R CNN
F 2 "" H 5600 3650 29  0000 C CNN
F 3 "" H 5400 3550 60  0000 C CNN
	1    5400 3550
	-1   0    0    -1  
$EndComp
$Comp
L resistor R10
U 1 1 66600FF5
P 5250 2900
F 0 "R10" H 5300 3030 50  0000 C CNN
F 1 "100" H 5300 2850 50  0000 C CNN
F 2 "" H 5300 2880 30  0000 C CNN
F 3 "" V 5300 2950 30  0000 C CNN
	1    5250 2900
	0    1    1    0   
$EndComp
$Comp
L eSim_NPN Q12
U 1 1 66600FF6
P 5400 2250
F 0 "Q12" H 5300 2300 50  0000 R CNN
F 1 "eSim_NPN" H 5350 2400 50  0000 R CNN
F 2 "" H 5600 2350 29  0000 C CNN
F 3 "" H 5400 2250 60  0000 C CNN
	1    5400 2250
	-1   0    0    -1  
$EndComp
$Comp
L resistor R14
U 1 1 66600FF7
P 5900 1150
F 0 "R14" H 5950 1280 50  0000 C CNN
F 1 "16k" H 5950 1100 50  0000 C CNN
F 2 "" H 5950 1130 30  0000 C CNN
F 3 "" V 5950 1200 30  0000 C CNN
	1    5900 1150
	0    1    1    0   
$EndComp
$Comp
L zener U3
U 1 1 66600FF8
P 5950 1800
F 0 "U3" H 5900 1700 60  0000 C CNN
F 1 "zener" H 5950 1900 60  0000 C CNN
F 2 "" H 6000 1800 60  0000 C CNN
F 3 "" H 6000 1800 60  0000 C CNN
	1    5950 1800
	0    -1   -1   0   
$EndComp
$Comp
L resistor R15
U 1 1 66600FF9
P 6250 2300
F 0 "R15" H 6300 2430 50  0000 C CNN
F 1 "380" H 6300 2250 50  0000 C CNN
F 2 "" H 6300 2280 30  0000 C CNN
F 3 "" V 6300 2350 30  0000 C CNN
	1    6250 2300
	1    0    0    -1  
$EndComp
$Comp
L eSim_NPN Q17
U 1 1 66600FFA
P 6850 1100
F 0 "Q17" H 6750 1150 50  0000 R CNN
F 1 "eSim_NPN" H 6800 1250 50  0000 R CNN
F 2 "" H 7050 1200 29  0000 C CNN
F 3 "" H 6850 1100 60  0000 C CNN
	1    6850 1100
	1    0    0    -1  
$EndComp
$Comp
L eSim_NPN Q19
U 1 1 66600FFB
P 7550 1350
F 0 "Q19" H 7450 1400 50  0000 R CNN
F 1 "eSim_NPN" H 7500 1500 50  0000 R CNN
F 2 "" H 7750 1450 29  0000 C CNN
F 3 "" H 7550 1350 60  0000 C CNN
	1    7550 1350
	1    0    0    -1  
$EndComp
$Comp
L resistor R18
U 1 1 66600FFC
P 7100 1650
F 0 "R18" H 7150 1780 50  0000 C CNN
F 1 "1.62k" H 7150 1600 50  0000 C CNN
F 2 "" H 7150 1630 30  0000 C CNN
F 3 "" V 7150 1700 30  0000 C CNN
	1    7100 1650
	0    1    1    0   
$EndComp
$Comp
L resistor R19
U 1 1 66600FFD
P 7600 2000
F 0 "R19" H 7650 2130 50  0000 C CNN
F 1 "0.25" H 7650 1950 50  0000 C CNN
F 2 "" H 7650 1980 30  0000 C CNN
F 3 "" V 7650 2050 30  0000 C CNN
	1    7600 2000
	0    1    1    0   
$EndComp
$Comp
L resistor R20
U 1 1 66600FFE
P 7600 2500
F 0 "R20" H 7650 2630 50  0000 C CNN
F 1 "1.5k" H 7650 2450 50  0000 C CNN
F 2 "" H 7650 2480 30  0000 C CNN
F 3 "" V 7650 2550 30  0000 C CNN
	1    7600 2500
	0    1    1    0   
$EndComp
$Comp
L eSim_NPN Q14
U 1 1 66600FFF
P 5750 4750
F 0 "Q14" H 5650 4800 50  0000 R CNN
F 1 "eSim_NPN" H 5700 4900 50  0000 R CNN
F 2 "" H 5950 4850 29  0000 C CNN
F 3 "" H 5750 4750 60  0000 C CNN
	1    5750 4750
	1    0    0    -1  
$EndComp
$Comp
L eSim_NPN Q15
U 1 1 66601000
P 5950 5300
F 0 "Q15" H 5850 5350 50  0000 R CNN
F 1 "eSim_NPN" H 5900 5450 50  0000 R CNN
F 2 "" H 6150 5400 29  0000 C CNN
F 3 "" H 5950 5300 60  0000 C CNN
	1    5950 5300
	-1   0    0    -1  
$EndComp
$Comp
L resistor R13
U 1 1 66601001
P 5800 5950
F 0 "R13" H 5850 6080 50  0000 C CNN
F 1 "4k" H 5850 5900 50  0000 C CNN
F 2 "" H 5850 5930 30  0000 C CNN
F 3 "" V 5850 6000 30  0000 C CNN
	1    5800 5950
	0    1    1    0   
$EndComp
$Comp
L capacitor C2
U 1 1 66601002
P 5550 4550
F 0 "C2" H 5575 4650 50  0000 L CNN
F 1 "20p" H 5575 4450 50  0000 L CNN
F 2 "" H 5588 4400 30  0000 C CNN
F 3 "" H 5550 4550 60  0000 C CNN
	1    5550 4550
	0    1    1    0   
$EndComp
$Comp
L eSim_NPN Q16
U 1 1 66601003
P 6450 4950
F 0 "Q16" H 6350 5000 50  0000 R CNN
F 1 "eSim_NPN" H 6400 5100 50  0000 R CNN
F 2 "" H 6650 5050 29  0000 C CNN
F 3 "" H 6450 4950 60  0000 C CNN
	1    6450 4950
	1    0    0    -1  
$EndComp
$Comp
L resistor R17
U 1 1 66601004
P 6500 4400
F 0 "R17" H 6550 4530 50  0000 C CNN
F 1 "4k" H 6550 4350 50  0000 C CNN
F 2 "" H 6550 4380 30  0000 C CNN
F 3 "" V 6550 4450 30  0000 C CNN
	1    6500 4400
	0    1    1    0   
$EndComp
$Comp
L resistor R16
U 1 1 66601005
P 6500 3950
F 0 "R16" H 6550 4080 50  0000 C CNN
F 1 "850" H 6550 3900 50  0000 C CNN
F 2 "" H 6550 3930 30  0000 C CNN
F 3 "" V 6550 4000 30  0000 C CNN
	1    6500 3950
	0    1    1    0   
$EndComp
$Comp
L eSim_PNP Q18
U 1 1 66601006
P 7000 4300
F 0 "Q18" H 6900 4350 50  0000 R CNN
F 1 "eSim_PNP" H 6950 4450 50  0000 R CNN
F 2 "" H 7200 4400 29  0000 C CNN
F 3 "" H 7000 4300 60  0000 C CNN
	1    7000 4300
	1    0    0    1   
$EndComp
$Comp
L resistor R21
U 1 1 66601007
P 7600 4750
F 0 "R21" H 7650 4880 50  0000 C CNN
F 1 "2.67k" H 7650 4700 50  0000 C CNN
F 2 "" H 7650 4730 30  0000 C CNN
F 3 "" V 7650 4800 30  0000 C CNN
	1    7600 4750
	0    1    1    0   
$EndComp
Wire Wire Line
	1400 1400 1400 4400
Wire Wire Line
	1400 1100 1400 650 
Wire Wire Line
	1400 650  7850 650 
Wire Wire Line
	1850 650  1850 1750
Wire Wire Line
	1550 1950 1400 1950
Connection ~ 1400 1950
Wire Wire Line
	1850 2150 1850 3400
Wire Wire Line
	1850 3700 1850 5250
Wire Wire Line
	1850 5550 1850 6050
Wire Wire Line
	1400 4900 1400 6800
Wire Wire Line
	1400 6800 7850 6800
Wire Wire Line
	1850 6800 1850 6350
Wire Wire Line
	2300 6800 2300 6000
Connection ~ 1850 6800
Wire Wire Line
	2000 5800 1850 5800
Connection ~ 1850 5800
Wire Wire Line
	2800 650  2800 1100
Wire Wire Line
	3300 650  3300 1100
Connection ~ 2800 650 
Connection ~ 1850 650 
Wire Wire Line
	2800 1500 3150 1500
Wire Wire Line
	3150 1500 3150 3100
Wire Wire Line
	2150 1300 3000 1300
Wire Wire Line
	2150 1300 2150 2000
Wire Wire Line
	2150 2000 3150 2000
Connection ~ 3150 2000
Wire Wire Line
	2850 3300 1850 3300
Connection ~ 1850 3300
Wire Wire Line
	2750 3700 2750 2750
Wire Wire Line
	2750 2750 3150 2750
Connection ~ 3150 2750
Wire Wire Line
	2450 3900 1850 3900
Connection ~ 1850 3900
Wire Wire Line
	2750 4100 2750 4450
Wire Wire Line
	3150 3500 3150 3700
Wire Wire Line
	3150 3700 3350 3700
Wire Wire Line
	3350 4100 3350 5150
Wire Wire Line
	3350 5550 3350 6350
Connection ~ 2300 6800
Wire Wire Line
	2750 4750 2750 5000
Wire Wire Line
	2750 5000 3700 5000
Connection ~ 3350 5000
Wire Wire Line
	4000 5000 4000 5600
Wire Wire Line
	3650 5350 4000 5350
Connection ~ 4000 5350
Wire Wire Line
	4000 4700 3700 4700
Wire Wire Line
	3700 4700 3700 5000
Wire Wire Line
	4000 5900 4000 6100
Wire Wire Line
	3800 5950 4400 5950
Connection ~ 4000 5950
Wire Wire Line
	3500 5950 3350 5950
Connection ~ 3350 5950
Wire Wire Line
	3350 6800 3350 6650
Wire Wire Line
	3700 6300 3350 6300
Connection ~ 3350 6300
Wire Wire Line
	4000 6800 4000 6500
Connection ~ 3350 6800
Connection ~ 2500 1300
Wire Wire Line
	3300 1500 5300 1500
Wire Wire Line
	5300 800  5300 2050
Wire Wire Line
	5300 2450 5300 2800
Wire Wire Line
	5300 4500 5300 5150
Wire Wire Line
	5300 5550 5300 5850
Wire Wire Line
	4700 5150 4700 3950
Wire Wire Line
	4700 3950 5300 3950
Connection ~ 5300 3950
Wire Wire Line
	4700 5550 4700 5850
Wire Wire Line
	4700 6800 4700 6150
Connection ~ 4000 6800
Wire Wire Line
	5300 6800 5300 6150
Connection ~ 4700 6800
Wire Wire Line
	4400 5950 4400 5350
Wire Wire Line
	5000 5350 5000 5650
Wire Wire Line
	5000 5650 4700 5650
Connection ~ 4700 5650
Wire Wire Line
	5950 650  5950 1050
Connection ~ 3300 650 
Wire Wire Line
	6950 650  6950 900 
Connection ~ 5950 650 
Wire Wire Line
	7650 650  7650 1150
Connection ~ 6950 650 
Wire Wire Line
	5950 1350 5950 1500
Wire Wire Line
	5600 2250 6150 2250
Wire Wire Line
	5950 2250 5950 2000
Wire Wire Line
	6650 1100 6400 1100
Wire Wire Line
	6400 1100 6400 800 
Wire Wire Line
	6400 800  5300 800 
Connection ~ 5300 1500
Connection ~ 5950 2250
Wire Wire Line
	7150 1550 7150 1300
Wire Wire Line
	6950 1300 7350 1300
Wire Wire Line
	7350 1300 7350 1350
Connection ~ 7150 1300
Wire Wire Line
	7650 1550 7650 1900
Wire Wire Line
	7650 2200 7650 2400
Wire Wire Line
	6450 2250 7350 2250
Wire Wire Line
	7350 2250 7350 1750
Wire Wire Line
	7350 1750 7650 1750
Connection ~ 7650 1750
Wire Wire Line
	7650 2700 7650 4650
Wire Wire Line
	7150 1850 7150 2050
Wire Wire Line
	7150 2050 5950 2050
Connection ~ 5950 2050
Wire Wire Line
	5300 3350 7250 3350
Wire Wire Line
	7250 3350 7250 1300
Connection ~ 7250 1300
Wire Wire Line
	5300 3750 5300 4200
Wire Wire Line
	5400 4550 5300 4550
Connection ~ 5300 4550
Wire Wire Line
	5550 4750 5300 4750
Connection ~ 5300 4750
Wire Wire Line
	5850 4950 5850 5100
Wire Wire Line
	5850 5500 5850 5850
Wire Wire Line
	5850 6800 5850 6150
Connection ~ 5300 6800
Wire Wire Line
	6150 5300 6150 5050
Wire Wire Line
	6150 5050 5850 5050
Connection ~ 5850 5050
Wire Wire Line
	6250 4950 5950 4950
Wire Wire Line
	5950 4950 5950 5000
Wire Wire Line
	5950 5000 5850 5000
Connection ~ 5850 5000
Wire Wire Line
	5700 4550 6250 4550
Wire Wire Line
	6550 4150 6550 4300
Wire Wire Line
	6550 4600 6550 4750
Connection ~ 6550 4650
Wire Wire Line
	6250 4550 6250 4650
Connection ~ 5850 4550
Wire Wire Line
	7100 4100 6800 4100
Wire Wire Line
	6800 4100 6800 4200
Wire Wire Line
	6800 4200 6550 4200
Connection ~ 6550 4200
Wire Wire Line
	6800 4650 6800 4300
Wire Wire Line
	6250 4650 6800 4650
Wire Wire Line
	6550 6800 6550 5150
Connection ~ 5850 6800
Wire Wire Line
	7100 6800 7100 4500
Connection ~ 6550 6800
Wire Wire Line
	7650 6800 7650 4950
Connection ~ 7100 6800
Wire Wire Line
	7650 3550 5600 3550
Wire Wire Line
	3650 3900 5750 3900
Wire Wire Line
	5750 3900 5750 3550
Connection ~ 5750 3550
Connection ~ 7650 3550
Wire Wire Line
	5300 3100 6400 3100
Wire Wire Line
	6400 3100 6400 2350
Wire Wire Line
	6400 2350 8350 2350
Connection ~ 7650 2350
Wire Wire Line
	6550 3850 6550 1100
Connection ~ 6550 1100
Wire Wire Line
	2300 5600 2300 2450
Wire Wire Line
	2300 2450 4100 2450
Wire Wire Line
	4100 2450 4100 1500
Connection ~ 4100 1500
Wire Wire Line
	7850 700  7850 650 
Connection ~ 7650 650 
Wire Wire Line
	7850 6700 7850 6800
Connection ~ 7650 6800
$Comp
L PORT U1
U 1 1 66601141
P 8100 6700
F 0 "U1" H 8150 6800 30  0000 C CNN
F 1 "PORT" H 8100 6700 30  0000 C CNN
F 2 "" H 8100 6700 60  0000 C CNN
F 3 "" H 8100 6700 60  0000 C CNN
	1    8100 6700
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 2 1 6660127A
P 8100 700
F 0 "U1" H 8150 800 30  0000 C CNN
F 1 "PORT" H 8100 700 30  0000 C CNN
F 2 "" H 8100 700 60  0000 C CNN
F 3 "" H 8100 700 60  0000 C CNN
	2    8100 700 
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 3 1 666014FA
P 8600 2350
F 0 "U1" H 8650 2450 30  0000 C CNN
F 1 "PORT" H 8600 2350 30  0000 C CNN
F 2 "" H 8600 2350 60  0000 C CNN
F 3 "" H 8600 2350 60  0000 C CNN
	3    8600 2350
	-1   0    0    1   
$EndComp
$EndSCHEMATC