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:SN55188-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
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$Comp
L SN55188_0 X2
U 1 1 679A4CEC
P 5350 3700
F 0 "X2" H 5350 3700 60  0000 C CNN
F 1 "SN55188_0" H 5350 3600 60  0000 C CNN
F 2 "" H 5350 3700 60  0001 C CNN
F 3 "" H 5350 3700 60  0001 C CNN
	1    5350 3700
	1    0    0    -1  
$EndComp
$Comp
L SN55188_0 X3
U 1 1 679A4D5D
P 7150 3700
F 0 "X3" H 7150 3700 60  0000 C CNN
F 1 "SN55188_0" H 7150 3600 60  0000 C CNN
F 2 "" H 7150 3700 60  0001 C CNN
F 3 "" H 7150 3700 60  0001 C CNN
	1    7150 3700
	1    0    0    -1  
$EndComp
$Comp
L SN55188_0 X1
U 1 1 679A4D76
P 5300 5100
F 0 "X1" H 5300 5100 60  0000 C CNN
F 1 "SN55188_0" H 5300 5000 60  0000 C CNN
F 2 "" H 5300 5100 60  0001 C CNN
F 3 "" H 5300 5100 60  0001 C CNN
	1    5300 5100
	1    0    0    -1  
$EndComp
$Comp
L SN55188_0 X4
U 1 1 679A4D97
P 7200 5150
F 0 "X4" H 7200 5150 60  0000 C CNN
F 1 "SN55188_0" H 7200 5050 60  0000 C CNN
F 2 "" H 7200 5150 60  0001 C CNN
F 3 "" H 7200 5150 60  0001 C CNN
	1    7200 5150
	1    0    0    -1  
$EndComp
Text GLabel 5500 4200 2    60   Input ~ 0
gnd
Text GLabel 5450 5600 2    60   Input ~ 0
gnd
Text GLabel 7350 5650 2    60   Input ~ 0
gnd
Text GLabel 7300 4200 2    60   Input ~ 0
gnd
Text GLabel 4600 3600 0    60   Input ~ 0
Vcc+
Text GLabel 4700 4800 0    60   Input ~ 0
Vcc+
Text GLabel 6550 3400 0    60   Input ~ 0
Vcc+
Text GLabel 6600 4850 0    60   Input ~ 0
Vcc+
Text GLabel 4700 5550 0    60   Input ~ 0
Vcc-
Text GLabel 6600 5550 0    60   Input ~ 0
Vcc-
Text GLabel 4600 3900 0    60   Input ~ 0
Vcc-
Text GLabel 6550 4100 0    60   Input ~ 0
Vcc-
$Comp
L PORT U1
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P 6150 3550
F 0 "U1" H 6200 3650 30  0000 C CNN
F 1 "PORT" H 6150 3550 30  0000 C CNN
F 2 "" H 6150 3550 60  0000 C CNN
F 3 "" H 6150 3550 60  0000 C CNN
	14   6150 3550
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 13 1 679A4FBF
P 7700 4600
F 0 "U1" H 7750 4700 30  0000 C CNN
F 1 "PORT" H 7700 4600 30  0000 C CNN
F 2 "" H 7700 4600 60  0000 C CNN
F 3 "" H 7700 4600 60  0000 C CNN
	13   7700 4600
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
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P 6350 5150
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F 1 "PORT" H 6350 5150 30  0000 C CNN
F 2 "" H 6350 5150 60  0000 C CNN
F 3 "" H 6350 5150 60  0000 C CNN
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	-1   0    0    1   
$EndComp
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L PORT U1
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F 1 "PORT" H 6750 4200 30  0000 C CNN
F 2 "" H 6750 4200 60  0000 C CNN
F 3 "" H 6750 4200 60  0000 C CNN
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	1    0    0    -1  
$EndComp
$Comp
L PORT U1
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P 7850 4000
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F 1 "PORT" H 7850 4000 30  0000 C CNN
F 2 "" H 7850 4000 60  0000 C CNN
F 3 "" H 7850 4000 60  0000 C CNN
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	0    -1   -1   0   
$EndComp
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L PORT U1
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F 0 "U1" H 6800 3250 30  0000 C CNN
F 1 "PORT" H 6750 3150 30  0000 C CNN
F 2 "" H 6750 3150 60  0000 C CNN
F 3 "" H 6750 3150 60  0000 C CNN
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$EndComp
$Comp
L PORT U1
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P 7650 3150
F 0 "U1" H 7700 3250 30  0000 C CNN
F 1 "PORT" H 7650 3150 30  0000 C CNN
F 2 "" H 7650 3150 60  0000 C CNN
F 3 "" H 7650 3150 60  0000 C CNN
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	-1   0    0    1   
$EndComp
$Comp
L PORT U1
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F 0 "U1" H 8300 5300 30  0000 C CNN
F 1 "PORT" H 8250 5200 30  0000 C CNN
F 2 "" H 8250 5200 60  0000 C CNN
F 3 "" H 8250 5200 60  0000 C CNN
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	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 4 1 679A50E6
P 4850 4450
F 0 "U1" H 4900 4550 30  0000 C CNN
F 1 "PORT" H 4850 4450 30  0000 C CNN
F 2 "" H 4850 4450 60  0000 C CNN
F 3 "" H 4850 4450 60  0000 C CNN
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	1    0    0    -1  
$EndComp
$Comp
L PORT U1
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F 1 "PORT" H 5850 4450 30  0000 C CNN
F 2 "" H 5850 4450 60  0000 C CNN
F 3 "" H 5850 4450 60  0000 C CNN
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$EndComp
$Comp
L PORT U1
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F 0 "U1" H 6850 4700 30  0000 C CNN
F 1 "PORT" H 6800 4600 30  0000 C CNN
F 2 "" H 6800 4600 60  0000 C CNN
F 3 "" H 6800 4600 60  0000 C CNN
	12   6800 4600
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 3 1 679A5179
P 6300 3750
F 0 "U1" H 6350 3850 30  0000 C CNN
F 1 "PORT" H 6300 3750 30  0000 C CNN
F 2 "" H 6300 3750 60  0000 C CNN
F 3 "" H 6300 3750 60  0000 C CNN
	3    6300 3750
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 2 1 679A51C2
P 5100 3000
F 0 "U1" H 5150 3100 30  0000 C CNN
F 1 "PORT" H 5100 3000 30  0000 C CNN
F 2 "" H 5100 3000 60  0000 C CNN
F 3 "" H 5100 3000 60  0000 C CNN
	2    5100 3000
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 1 1 679A51F9
P 6200 3950
F 0 "U1" H 6250 4050 30  0000 C CNN
F 1 "PORT" H 6200 3950 30  0000 C CNN
F 2 "" H 6200 3950 60  0000 C CNN
F 3 "" H 6200 3950 60  0000 C CNN
	1    6200 3950
	1    0    0    -1  
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 5350 3300
Wire Wire Line
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Connection ~ 6550 3950
Wire Wire Line
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Connection ~ 6550 3550
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$EndSCHEMATC