Omega-PPI.sch

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L my_components:74LS30 U40
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L my_components:74LS30 U41
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L my_components:74LS32 U38
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L my_components:74LS153 U31
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L power:GND #PWR054
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L Omega-Mainboard-rescue:8255-my_components U2
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L my_components:74LS153 U30
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L my_components:74LS00 U45
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L my_components:74LS00 U45
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L power:VCC #PWR055
U 1 1 5BEFA785
P 3900 1700
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L power:GND #PWR056
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L my_components:74LS540 U22
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Wire Wire Line
	8900 4200 2900 4200
Wire Wire Line
	1000 5400 2900 5400
Wire Wire Line
	4400 3950 3950 3950
Connection ~ 1000 5700
Wire Wire Line
	2900 4000 3300 4000
Wire Wire Line
	2900 4200 2900 4000
Text Label 3300 4000 2    60   ~ 0
~SLTSL3
Wire Wire Line
	2900 3900 2900 3600
Wire Wire Line
	4400 3950 4400 4400
Wire Wire Line
	4400 4400 2900 4400
Wire Wire Line
	2900 4400 2900 5400
Wire Wire Line
	10200 3400 10600 3400
Text Label 10200 3400 0    60   ~ 0
~MEM_RD
Text HLabel 10600 3400 2    60   Output ~ 0
~MEM_RD
Wire Wire Line
	3900 1700 3900 1800
Wire Wire Line
	3900 1800 3700 1800
Wire Wire Line
	3700 1800 3700 1600
$Comp
L Connector_Generic:Conn_02x08_Odd_Even J11
U 1 1 5C1C9994
P 2900 1900
F 0 "J11" H 2950 2300 50  0000 C CNN
F 1 "KEYBOARD" H 2950 1400 50  0000 C CNN
F 2 "My_Components:Conn_Pin_Header_8x2_2.54mm" H 2900 1900 50  0001 C CNN
F 3 "" H 2900 1900 50  0001 C CNN
	1    2900 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5100 5700 5100 6100
Wire Wire Line
	4200 6800 5200 6800
Wire Wire Line
	4300 6700 5200 6700
Wire Wire Line
	4400 6600 5200 6600
Wire Wire Line
	4500 6500 5200 6500
Wire Wire Line
	5500 2750 5500 2500
Wire Wire Line
	5100 1900 5100 1200
Wire Wire Line
	4100 6900 5200 6900
Wire Wire Line
	4000 7000 5200 7000
Wire Wire Line
	3900 7100 5200 7100
Wire Wire Line
	3800 7200 5200 7200
Wire Wire Line
	5100 7500 5200 7500
Wire Wire Line
	2900 3900 3300 3900
Wire Wire Line
	1000 5700 1000 5950
Text Label 700  4700 0    60   ~ 0
A10
Wire Wire Line
	2900 3600 6400 3600
Wire Wire Line
	6500 1400 6500 3400
Wire Wire Line
	2100 6600 2700 6600
Wire Wire Line
	2800 6700 4300 6700
Wire Wire Line
	2600 6900 2600 6700
Wire Wire Line
	2600 6700 2100 6700
Wire Wire Line
	2600 6900 4100 6900
Wire Wire Line
	2100 6800 2400 6800
Wire Wire Line
	2500 7100 3900 7100
Wire Wire Line
	2400 7200 3800 7200
Wire Wire Line
	2200 7200 2200 7400
Wire Wire Line
	2900 6600 4400 6600
Wire Wire Line
	2700 6800 2700 6600
Wire Wire Line
	2300 7300 2300 7100
Wire Wire Line
	2300 7100 2100 7100
Wire Wire Line
	2200 7200 2100 7200
Wire Wire Line
	2200 7400 2900 7400
Wire Wire Line
	2800 6700 2800 7300
Wire Wire Line
	2800 7300 2300 7300
Wire Wire Line
	2500 6900 2500 7100
Wire Wire Line
	2100 6900 2500 6900
Wire Wire Line
	2400 6800 2400 7200
Wire Wire Line
	2100 6500 4500 6500
Wire Wire Line
	2900 6600 2900 7400
$Comp
L my_components:74LS32 U38
U 3 2 5BEB973E
P 1400 6000
F 0 "U38" H 1400 6000 60  0000 C CNN
F 1 "74AHCT32" H 1300 5850 60  0000 L CNN
F 2 "My_Components:IC_DIP14_300" H 1400 6000 60  0001 C CNN
F 3 "" H 1400 6000 60  0000 C CNN
	3    1400 6000
	1    0    0    1   
$EndComp
$Comp
L my_components:74LS32 U38
U 2 2 5A4E3627
P 2300 3900
F 0 "U38" H 2300 3900 60  0000 C CNN
F 1 "74AHCT32" H 2200 3750 60  0000 L CNN
F 2 "My_Components:IC_DIP14_300" H 2300 3900 60  0001 C CNN
F 3 "" H 2300 3900 60  0000 C CNN
	2    2300 3900
	1    0    0    1   
$EndComp
$Comp
L my_components:74LS32 U38
U 4 2 5BEB9791
P 1400 5650
F 0 "U38" H 1400 5650 60  0000 C CNN
F 1 "74AHCT32" H 1300 5500 60  0000 L CNN
F 2 "My_Components:IC_DIP14_300" H 1400 5650 60  0001 C CNN
F 3 "" H 1400 5650 60  0000 C CNN
	4    1400 5650
	1    0    0    1   
$EndComp
Wire Wire Line
	2200 6000 2200 6200
Wire Wire Line
	3300 5650 3300 7500
Wire Wire Line
	10000 5300 9500 5300
Wire Wire Line
	10000 5500 9500 5500
Wire Wire Line
	10000 5700 9500 5700
Wire Wire Line
	9900 5200 9900 5100
$Comp
L power:VCC #PWR02
U 1 1 5F6C2774
P 9900 5100
F 0 "#PWR02" H 9900 4950 50  0001 C CNN
F 1 "VCC" H 9917 5273 50  0000 C CNN
F 2 "" H 9900 5100 50  0001 C CNN
F 3 "" H 9900 5100 50  0001 C CNN
	1    9900 5100
	1    0    0    -1  
$EndComp
Text Label 9500 5300 0    60   ~ 0
COLUMN0
Text Label 9500 5500 0    60   ~ 0
COLUMN2
Text Label 9500 5700 0    60   ~ 0
COLUMN4
Text Notes 10350 4800 2    60   ~ 0
Keyboard Pull-ups
$Comp
L my_components:RR9 RR7
U 1 1 5DB840FB
P 10300 5650
F 0 "RR7" H 10428 5686 50  0000 L CNN
F 1 "4.7k" H 10428 5595 50  0000 L CNN
F 2 "My_Components:Conn_SIL10" H 10300 5650 50  0001 C CNN
F 3 "" H 10300 5650 50  0000 C CNN
	1    10300 5650
	1    0    0    -1  
$EndComp
Wire Wire Line
	9900 5200 10000 5200
Wire Wire Line
	10000 5400 9500 5400
Wire Wire Line
	10000 5600 9500 5600
Wire Wire Line
	10000 5800 9500 5800
Wire Wire Line
	10000 5900 9500 5900
Wire Wire Line
	10000 6000 9500 6000
Text Label 9500 5400 0    60   ~ 0
COLUMN1
Text Label 9500 5600 0    60   ~ 0
COLUMN3
Text Label 9500 5800 0    60   ~ 0
COLUMN5
Text Label 9500 5900 0    60   ~ 0
COLUMN6
Text Label 9500 6000 0    60   ~ 0
COLUMN7
Text HLabel 10600 3600 2    60   Input ~ 0
PRT_BUSY
Wire Wire Line
	10600 3600 10200 3600
Text Label 10200 3600 0    60   ~ 0
PRT_BUSY
Wire Wire Line
	10000 6100 9500 6100
Text Label 9500 6100 0    60   ~ 0
PRT_BUSY
Wire Wire Line
	6400 3000 6400 3600
$Comp
L power:GND #PWR0156
U 1 1 5FCB9839
P 7800 3900
F 0 "#PWR0156" H 7800 3650 50  0001 C CNN
F 1 "GND" H 7805 3727 50  0000 C CNN
F 2 "" H 7800 3900 50  0001 C CNN
F 3 "" H 7800 3900 50  0001 C CNN
	1    7800 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	7800 3800 7800 3900
$Comp
L power:VCC #PWR0157
U 1 1 5FC9BEB9
P 7800 2200
F 0 "#PWR0157" H 7800 2050 50  0001 C CNN
F 1 "VCC" H 7817 2373 50  0000 C CNN
F 2 "" H 7800 2200 50  0001 C CNN
F 3 "" H 7800 2200 50  0001 C CNN
	1    7800 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	7800 2300 7800 2200
Wire Wire Line
	7300 3000 6400 3000
Text Label 8300 2800 0    60   ~ 0
~SLTSL3
Wire Wire Line
	8300 2800 8900 2800
Wire Wire Line
	8900 2800 8900 4200
Wire Wire Line
	6900 2600 7300 2600
Wire Wire Line
	6900 2700 7300 2700
Wire Wire Line
	7300 3200 6800 3200
Wire Wire Line
	6700 3100 7300 3100
Wire Wire Line
	8300 3300 8700 3300
Wire Wire Line
	7050 3500 7300 3500
Wire Wire Line
	6900 2900 7300 2900
Wire Wire Line
	6900 2800 7300 2800
Wire Wire Line
	6500 3400 7300 3400
Wire Wire Line
	6600 3300 7300 3300
Wire Wire Line
	8300 3200 8700 3200
Wire Wire Line
	8300 3100 8700 3100
Wire Wire Line
	8300 3000 8700 3000
Wire Wire Line
	8300 2900 8700 2900
Wire Wire Line
	8300 2700 8700 2700
Wire Wire Line
	8300 2600 8700 2600
Text Label 7300 3100 2    60   ~ 0
SB_SLT_A
Text Label 8700 2700 2    60   ~ 0
~SLTSL2
Text Label 8700 2600 2    60   ~ 0
~SLTSL1
Text Label 8700 2900 2    60   ~ 0
~MEM_RD
Text Label 8700 3000 2    60   ~ 0
~RAM_SL
Text Label 8700 3100 2    60   ~ 0
~ROM_CS
Text Label 8700 3300 2    60   ~ 0
ROM_A17
Text Label 8700 3200 2    60   ~ 0
ROM_A16
Text Label 7050 3500 0    60   ~ 0
~RD
Text Label 6900 2600 0    60   ~ 0
A15
Text Label 6900 2700 0    60   ~ 0
A14
Text Label 7300 3000 2    60   ~ 0
~FFFF
Text Label 6900 2900 0    60   ~ 0
~RFSH
Text Label 6900 2800 0    60   ~ 0
~MREQ
Text Label 7300 3200 2    60   ~ 0
SB_SLT_B
Text Label 7300 3400 2    60   ~ 0
SLT_B
Text Label 7300 3300 2    60   ~ 0
SLT_A
$Comp
L my_components:ATF16V8B U13
U 1 1 5C006E3B
P 7800 3050
F 0 "U13" H 7500 3750 60  0000 C CNN
F 1 "ATF16V8B" H 7500 3650 60  0000 C CNN
F 2 "My_Components:IC_DIP20_300" H 7800 2950 60  0001 C CNN
F 3 "" H 7800 2950 60  0000 C CNN
	1    7800 3050
	1    0    0    -1  
$EndComp
$EndSCHEMATC