EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector_Generic:Conn_01x40 J1
U 1 1 5D4D81A3
P 850 2850
F 0 "J1" H 768 4967 50  0000 C CNN
F 1 "Conn_01x40" H 768 4876 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x40_P2.54mm_Horizontal" H 850 2850 50  0001 C CNN
F 3 "~" H 850 2850 50  0001 C CNN
	1    850  2850
	-1   0    0    -1  
$EndComp
Text GLabel 1050 950  2    50   Input ~ 0
A15
Text GLabel 1050 1050 2    50   Input ~ 0
A14
Text GLabel 1050 1150 2    50   Input ~ 0
A13
Text GLabel 1050 1250 2    50   Input ~ 0
A12
Text GLabel 1050 1350 2    50   Input ~ 0
A11
Text GLabel 1050 1450 2    50   Input ~ 0
A10
Text GLabel 1050 1550 2    50   Input ~ 0
A9
Text GLabel 1050 1650 2    50   Input ~ 0
A8
Text GLabel 1050 1750 2    50   Input ~ 0
A7
Text GLabel 1050 1850 2    50   Input ~ 0
A6
Text GLabel 1050 1950 2    50   Input ~ 0
A5
Text GLabel 1050 2050 2    50   Input ~ 0
A4
Text GLabel 1050 2150 2    50   Input ~ 0
A3
Text GLabel 1050 2250 2    50   Input ~ 0
A2
Text GLabel 1050 2350 2    50   Input ~ 0
A1
Text GLabel 1050 2450 2    50   Input ~ 0
A0
Text GLabel 1050 2550 2    50   Output ~ 0
GND
Text GLabel 1050 2650 2    50   Output ~ 0
VCC
Text GLabel 1050 2850 2    50   3State ~ 0
RESET
Text GLabel 1050 2950 2    50   Input ~ 0
E
Text GLabel 1050 3050 2    50   Output ~ 0
INT
Text GLabel 1050 3150 2    50   Input ~ 0
MREQ
Text GLabel 1050 3250 2    50   Input ~ 0
WR
Text GLabel 1050 3350 2    50   Input ~ 0
RD
Text GLabel 1050 3450 2    50   Input ~ 0
IORQ
Text GLabel 1050 3550 2    50   3State ~ 0
D0
Text GLabel 1050 3650 2    50   3State ~ 0
D1
Text GLabel 1050 3750 2    50   3State ~ 0
D2
Text GLabel 1050 3850 2    50   3State ~ 0
D3
Text GLabel 1050 3950 2    50   3State ~ 0
D4
Text GLabel 1050 4050 2    50   3State ~ 0
D5
Text GLabel 1050 4150 2    50   3State ~ 0
D6
Text GLabel 1050 4250 2    50   3State ~ 0
D7
Text GLabel 1650 4350 2    50   Input ~ 0
TX
Text GLabel 1650 4450 2    50   Output ~ 0
RX
$Comp
L MCU_NXP_HC11:68HC11_PLCC U1
U 1 1 5D76779B
P 4650 3400
F 0 "U1" H 4500 4350 50  0000 C CNN
F 1 "68HC11_PLCC" H 4600 4250 50  0000 C CNN
F 2 "Package_LCC:PLCC-52_THT-Socket" H 4650 3400 50  0001 C CNN
F 3 "" H 4650 3400 50  0001 C CNN
	1    4650 3400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 5D76B01A
P 4650 5400
F 0 "#PWR0101" H 4650 5150 50  0001 C CNN
F 1 "GND" H 4655 5227 50  0000 C CNN
F 2 "" H 4650 5400 50  0001 C CNN
F 3 "" H 4650 5400 50  0001 C CNN
	1    4650 5400
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0102
U 1 1 5D76B367
P 4650 1000
F 0 "#PWR0102" H 4650 850 50  0001 C CNN
F 1 "VCC" H 4667 1173 50  0000 C CNN
F 2 "" H 4650 1000 50  0001 C CNN
F 3 "" H 4650 1000 50  0001 C CNN
	1    4650 1000
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS573 U2
U 1 1 5D76FC2B
P 7350 4700
F 0 "U2" H 7700 5600 50  0000 C CNN
F 1 "74HC573" H 7650 5500 50  0000 C CNN
F 2 "Package_DIP:DIP-20_W7.62mm" H 7350 4700 50  0001 C CNN
F 3 "74xx/74hc573.pdf" H 7350 4700 50  0001 C CNN
	1    7350 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 4200 5800 4200
Wire Wire Line
	6850 4300 5900 4300
Wire Wire Line
	6850 4400 6000 4400
Wire Wire Line
	5650 4500 6100 4500
Wire Wire Line
	5650 4600 6200 4600
Wire Wire Line
	6850 4700 6300 4700
Wire Wire Line
	5650 4800 6400 4800
Wire Wire Line
	6850 5200 6850 5500
Wire Wire Line
	6850 5500 7350 5500
Wire Wire Line
	6700 5900 6700 5100
Wire Wire Line
	6700 5100 6850 5100
Wire Wire Line
	5650 4900 6500 4900
Text GLabel 5800 5200 3    50   3State ~ 0
D0
Text GLabel 5900 5200 3    50   3State ~ 0
D1
Text GLabel 6000 5200 3    50   3State ~ 0
D2
Text GLabel 6100 5200 3    50   3State ~ 0
D3
Text GLabel 6200 5200 3    50   3State ~ 0
D4
Text GLabel 6300 5200 3    50   3State ~ 0
D5
Text GLabel 6400 5200 3    50   3State ~ 0
D6
Text GLabel 6500 5200 3    50   3State ~ 0
D7
Wire Wire Line
	5800 5200 5800 4200
Connection ~ 5800 4200
Wire Wire Line
	5800 4200 6850 4200
Wire Wire Line
	5900 5200 5900 4300
Connection ~ 5900 4300
Wire Wire Line
	5900 4300 5650 4300
Wire Wire Line
	6000 5200 6000 4400
Connection ~ 6000 4400
Wire Wire Line
	6000 4400 5650 4400
Wire Wire Line
	6100 5200 6100 4500
Connection ~ 6100 4500
Wire Wire Line
	6100 4500 6850 4500
Connection ~ 6200 4600
Wire Wire Line
	6200 4600 6850 4600
Wire Wire Line
	6200 4600 6200 5200
Wire Wire Line
	6300 5200 6300 4700
Connection ~ 6300 4700
Wire Wire Line
	6300 4700 5650 4700
Wire Wire Line
	6400 5200 6400 4800
Connection ~ 6400 4800
Wire Wire Line
	6400 4800 6850 4800
Connection ~ 6500 4900
Wire Wire Line
	6500 4900 6850 4900
Wire Wire Line
	6500 4900 6500 5200
Text GLabel 7850 4200 2    50   Output ~ 0
A0
Text GLabel 7850 4300 2    50   Output ~ 0
A1
Text GLabel 7850 4400 2    50   Output ~ 0
A2
Text GLabel 7850 4500 2    50   Output ~ 0
A3
Text GLabel 7850 4600 2    50   Output ~ 0
A4
Text GLabel 7850 4700 2    50   Output ~ 0
A5
Text GLabel 7850 4800 2    50   Output ~ 0
A6
Text GLabel 7850 4900 2    50   Output ~ 0
A7
Text GLabel 5650 3100 2    50   Output ~ 0
A8
Text GLabel 5650 3200 2    50   Output ~ 0
A9
Text GLabel 5650 3300 2    50   Output ~ 0
A10
Text GLabel 5650 3400 2    50   Output ~ 0
A11
Text GLabel 5650 3500 2    50   Output ~ 0
A12
Text GLabel 5650 3600 2    50   Output ~ 0
A13
Text GLabel 5650 3700 2    50   Output ~ 0
A14
Text GLabel 5650 3800 2    50   Output ~ 0
A15
$Comp
L power:GND #PWR0103
U 1 1 5D780693
P 7350 5500
F 0 "#PWR0103" H 7350 5250 50  0001 C CNN
F 1 "GND" H 7355 5327 50  0000 C CNN
F 2 "" H 7350 5500 50  0001 C CNN
F 3 "" H 7350 5500 50  0001 C CNN
	1    7350 5500
	1    0    0    -1  
$EndComp
Connection ~ 7350 5500
$Comp
L power:VCC #PWR0104
U 1 1 5D780914
P 7350 3900
F 0 "#PWR0104" H 7350 3750 50  0001 C CNN
F 1 "VCC" H 7367 4073 50  0000 C CNN
F 2 "" H 7350 3900 50  0001 C CNN
F 3 "" H 7350 3900 50  0001 C CNN
	1    7350 3900
	1    0    0    -1  
$EndComp
Text GLabel 3650 1800 0    50   Input ~ 0
RX
Text GLabel 3650 1900 0    50   Output ~ 0
TX
Text GLabel 3650 3400 0    50   Input ~ 0
RESET
$Comp
L Device:R_Network08 RN1
U 1 1 5D781FAC
P 2950 950
F 0 "RN1" H 3338 996 50  0000 L CNN
F 1 "4K7" H 3338 905 50  0000 L CNN
F 2 "Resistor_THT:R_Array_SIP9" V 3425 950 50  0001 C CNN
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 2950 950 50  0001 C CNN
	1    2950 950 
	1    0    0    -1  
$EndComp
Wire Wire Line
	3650 3300 2850 3300
Wire Wire Line
	3650 4700 2750 4700
Wire Wire Line
	3650 4800 3100 4800
Wire Wire Line
	3650 4500 2850 4500
Wire Wire Line
	2850 4500 2850 5900
Wire Wire Line
	2850 5900 6700 5900
Text GLabel 3650 4400 0    50   Output ~ 0
E
Text GLabel 3650 4300 0    50   Output ~ 0
RW
Text GLabel 3650 4000 0    50   Input ~ 0
CLK
Text GLabel 2350 3200 0    50   Input ~ 0
INT
Wire Wire Line
	2350 3200 2950 3200
Connection ~ 2950 3200
Wire Wire Line
	2950 3200 3650 3200
NoConn ~ 1050 4550
NoConn ~ 1050 4850
$Comp
L Device:R R1
U 1 1 5D78FC91
P 2200 4700
F 0 "R1" H 2270 4746 50  0000 L CNN
F 1 "1K" H 2270 4655 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 2130 4700 50  0001 C CNN
F 3 "~" H 2200 4700 50  0001 C CNN
	1    2200 4700
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 5D7901CF
P 2200 5200
F 0 "C1" H 2315 5246 50  0000 L CNN
F 1 "1uF" H 2315 5155 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 2238 5050 50  0001 C CNN
F 3 "~" H 2200 5200 50  0001 C CNN
	1    2200 5200
	1    0    0    -1  
$EndComp
Wire Wire Line
	3650 4900 2200 4900
Wire Wire Line
	2200 4900 2200 4850
Wire Wire Line
	2200 5050 2200 4900
Connection ~ 2200 4900
Wire Wire Line
	4650 5350 4650 5400
Connection ~ 4650 5400
$Comp
L power:VCC #PWR0105
U 1 1 5D797432
P 2200 4550
F 0 "#PWR0105" H 2200 4400 50  0001 C CNN
F 1 "VCC" H 2217 4723 50  0000 C CNN
F 2 "" H 2200 4550 50  0001 C CNN
F 3 "" H 2200 4550 50  0001 C CNN
	1    2200 4550
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0106
U 1 1 5D797915
P 2550 750
F 0 "#PWR0106" H 2550 600 50  0001 C CNN
F 1 "VCC" H 2567 923 50  0000 C CNN
F 2 "" H 2550 750 50  0001 C CNN
F 3 "" H 2550 750 50  0001 C CNN
	1    2550 750 
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS688 U3
U 1 1 5D79C923
P 9650 4100
F 0 "U3" H 9250 5550 50  0000 L CNN
F 1 "74HC688" H 9150 5400 50  0000 L CNN
F 2 "Package_DIP:DIP-20_W7.62mm" H 9650 4100 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS688" H 9650 4100 50  0001 C CNN
	1    9650 4100
	1    0    0    -1  
$EndComp
Text GLabel 9150 3200 0    50   Input ~ 0
A8
Text GLabel 9150 3300 0    50   Input ~ 0
A9
Text GLabel 9150 3400 0    50   Input ~ 0
A10
Text GLabel 9150 3500 0    50   Input ~ 0
A11
Text GLabel 9150 3600 0    50   Input ~ 0
A12
Text GLabel 9150 3900 0    50   Input ~ 0
A13
Text GLabel 9150 3800 0    50   Input ~ 0
A14
Text GLabel 9150 3700 0    50   Input ~ 0
A15
Wire Wire Line
	9150 4100 8800 4100
Wire Wire Line
	8800 4100 8800 5300
Wire Wire Line
	9150 5000 9150 5300
Connection ~ 9150 5300
Wire Wire Line
	9150 5300 9650 5300
Wire Wire Line
	9150 4500 8900 4500
Wire Wire Line
	8900 4500 8900 4400
Text GLabel 10550 3200 2    50   Output ~ 0
IORQ
Wire Wire Line
	10150 3200 10350 3200
$Comp
L power:GND #PWR0107
U 1 1 5D7A6318
P 9650 5300
F 0 "#PWR0107" H 9650 5050 50  0001 C CNN
F 1 "GND" H 9655 5127 50  0000 C CNN
F 2 "" H 9650 5300 50  0001 C CNN
F 3 "" H 9650 5300 50  0001 C CNN
	1    9650 5300
	1    0    0    -1  
$EndComp
Connection ~ 9650 5300
$Comp
L power:VCC #PWR0108
U 1 1 5D7A6545
P 9650 2900
F 0 "#PWR0108" H 9650 2750 50  0001 C CNN
F 1 "VCC" H 9667 3073 50  0000 C CNN
F 2 "" H 9650 2900 50  0001 C CNN
F 3 "" H 9650 2900 50  0001 C CNN
	1    9650 2900
	1    0    0    -1  
$EndComp
Connection ~ 9650 2900
Text GLabel 3650 2000 0    50   Input ~ 0
MISO
Text GLabel 3650 2100 0    50   Output ~ 0
MOSI
Text GLabel 3650 2200 0    50   Output ~ 0
SCK
Text GLabel 3650 2300 0    50   Output ~ 0
CS0
Text GLabel 7150 2700 0    50   Input ~ 0
E
Text GLabel 6350 3000 0    50   Input ~ 0
RW
Text GLabel 6300 2200 2    50   Output ~ 0
A19
Text GLabel 5650 2300 2    50   Output ~ 0
A18
Text GLabel 5650 2400 2    50   Output ~ 0
A17
Text GLabel 5650 2500 2    50   Output ~ 0
A16
Text GLabel 5650 2600 2    50   Output ~ 0
CS1
Wire Wire Line
	2650 1150 2650 4800
Wire Wire Line
	2750 1150 2750 4700
Wire Wire Line
	2850 1150 2850 3300
Wire Wire Line
	2950 1150 2950 3200
Wire Wire Line
	5650 1900 5650 1600
Wire Wire Line
	5650 1600 3050 1600
Wire Wire Line
	3050 1600 3050 1150
Wire Wire Line
	5650 2000 5750 2000
Wire Wire Line
	5750 2000 5750 1500
Wire Wire Line
	5750 1500 3150 1500
Wire Wire Line
	3150 1500 3150 1150
Wire Wire Line
	5650 2100 5850 2100
Wire Wire Line
	5850 1300 3250 1300
Wire Wire Line
	5850 1300 5850 2100
Wire Wire Line
	3250 1300 3250 1150
Wire Wire Line
	4650 1400 4650 1000
$Comp
L Connector:Conn_01x09_Male J2
U 1 1 5D7F76BF
P 9400 800
F 0 "J2" V 9235 778 50  0000 C CNN
F 1 "Conn_01x09_Male" V 9326 778 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x09_P2.54mm_Horizontal" H 9400 800 50  0001 C CNN
F 3 "~" H 9400 800 50  0001 C CNN
	1    9400 800 
	0    1    1    0   
$EndComp
Text GLabel 9700 1000 3    50   Output ~ 0
PE0
Text GLabel 9600 1000 3    50   Output ~ 0
PE1
Text GLabel 9500 1000 3    50   Output ~ 0
PE2
Text GLabel 9400 1000 3    50   Output ~ 0
PE3
Text GLabel 9300 1000 3    50   Output ~ 0
PE4
Text GLabel 9200 1000 3    50   Output ~ 0
PE5
Text GLabel 9100 1000 3    50   Output ~ 0
PE6
Text GLabel 9000 1000 3    50   Output ~ 0
PE7
$Comp
L Connector:Conn_01x08_Male J3
U 1 1 5D7FF63D
P 9450 1550
F 0 "J3" V 9285 1478 50  0000 C CNN
F 1 "Conn_01x08_Male" V 9376 1478 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Horizontal" H 9450 1550 50  0001 C CNN
F 3 "~" H 9450 1550 50  0001 C CNN
	1    9450 1550
	0    1    1    0   
$EndComp
Text GLabel 9050 1750 3    50   Input ~ 0
VCC
Text GLabel 9450 1750 3    50   Input ~ 0
MOSI
Text GLabel 9350 1750 3    50   Output ~ 0
MISO
Text GLabel 9250 1750 3    50   Input ~ 0
SCK
Text GLabel 9550 1750 3    50   Input ~ 0
CS0
Text GLabel 9650 1750 3    50   Input ~ 0
CS1
Text GLabel 9150 1750 3    50   Input ~ 0
GND
Connection ~ 10350 3200
Wire Wire Line
	10350 3200 10550 3200
Text GLabel 10950 3800 2    50   Output ~ 0
MREQ
$Comp
L Connector:Conn_01x04_Male J4
U 1 1 5D8169FE
P 10450 800
F 0 "J4" V 10512 944 50  0000 L CNN
F 1 "Conn_01x04_Male" V 10603 944 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal" H 10450 800 50  0001 C CNN
F 3 "~" H 10450 800 50  0001 C CNN
	1    10450 800 
	0    1    1    0   
$EndComp
Text GLabel 10250 1000 3    50   Input ~ 0
GND
Text GLabel 9800 1000 3    50   Input ~ 0
GND
$Comp
L Device:R R2
U 1 1 5D81D75F
P 10350 1600
F 0 "R2" H 10420 1646 50  0000 L CNN
F 1 "1K" H 10420 1555 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 10280 1600 50  0001 C CNN
F 3 "~" H 10350 1600 50  0001 C CNN
	1    10350 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:R R3
U 1 1 5D81DA75
P 10650 1600
F 0 "R3" H 10720 1646 50  0000 L CNN
F 1 "1K" H 10720 1555 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 10580 1600 50  0001 C CNN
F 3 "~" H 10650 1600 50  0001 C CNN
	1    10650 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	10350 1000 10350 1450
Wire Wire Line
	10450 1400 10650 1400
Wire Wire Line
	10650 1400 10650 1450
Wire Wire Line
	10450 1000 10450 1400
Text GLabel 10350 1750 3    50   Output ~ 0
RX
Text GLabel 10650 1750 3    50   Input ~ 0
TX
$Comp
L Device:Jumper JP1
U 1 1 5D82C092
P 1350 4350
F 0 "JP1" H 1350 4614 50  0000 C CNN
F 1 "Jumper" H 1350 4523 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 1350 4350 50  0001 C CNN
F 3 "~" H 1350 4350 50  0001 C CNN
	1    1350 4350
	1    0    0    -1  
$EndComp
$Comp
L Device:Jumper JP2
U 1 1 5D82C5FC
P 1350 4450
F 0 "JP2" H 1350 4300 50  0000 C CNN
F 1 "Jumper" H 1350 4400 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 1350 4450 50  0001 C CNN
F 3 "~" H 1350 4450 50  0001 C CNN
	1    1350 4450
	1    0    0    -1  
$EndComp
Text GLabel 1650 4650 2    50   Input ~ 0
E
$Comp
L Device:Jumper JP3
U 1 1 5D82E5A4
P 1350 4650
F 0 "JP3" H 1350 4500 50  0000 C CNN
F 1 "Jumper" H 1350 4600 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 1350 4650 50  0001 C CNN
F 3 "~" H 1350 4650 50  0001 C CNN
	1    1350 4650
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x04_Male J5
U 1 1 5D83481C
P 1450 2250
F 0 "J5" H 1558 2531 50  0000 C CNN
F 1 "Conn_01x04_Male" H 1558 2440 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal" H 1450 2250 50  0001 C CNN
F 3 "~" H 1450 2250 50  0001 C CNN
	1    1450 2250
	1    0    0    -1  
$EndComp
Text GLabel 1650 2450 2    50   Input ~ 0
A16
Text GLabel 1650 2350 2    50   Input ~ 0
A17
Text GLabel 1650 2250 2    50   Input ~ 0
A18
Text GLabel 1650 2150 2    50   Input ~ 0
A19
$Comp
L Oscillator:CXO_DIP8 X1
U 1 1 5D83E161
P 1600 5900
F 0 "X1" H 1400 6400 50  0000 L CNN
F 1 "7.3728MHz" H 1150 6300 50  0000 L CNN
F 2 "Oscillator:Oscillator_DIP-8" H 2050 5550 50  0001 C CNN
F 3 "http://cdn-reichelt.de/documents/datenblatt/B400/OSZI.pdf" H 1500 5900 50  0001 C CNN
	1    1600 5900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0111
U 1 1 5D840A97
P 1600 6200
F 0 "#PWR0111" H 1600 5950 50  0001 C CNN
F 1 "GND" H 1605 6027 50  0000 C CNN
F 2 "" H 1600 6200 50  0001 C CNN
F 3 "" H 1600 6200 50  0001 C CNN
	1    1600 6200
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0112
U 1 1 5D84111C
P 1600 5600
F 0 "#PWR0112" H 1600 5450 50  0001 C CNN
F 1 "VCC" H 1617 5773 50  0000 C CNN
F 2 "" H 1600 5600 50  0001 C CNN
F 3 "" H 1600 5600 50  0001 C CNN
	1    1600 5600
	1    0    0    -1  
$EndComp
Text GLabel 1900 5900 2    50   Output ~ 0
CLK
Text GLabel 3650 2400 0    50   Input ~ 0
PE0
Text GLabel 3650 2500 0    50   Input ~ 0
PE1
Text GLabel 3650 2600 0    50   Input ~ 0
PE2
Text GLabel 3650 2700 0    50   Input ~ 0
PE3
Text GLabel 3650 2800 0    50   Input ~ 0
PE4
Text GLabel 3650 2900 0    50   Input ~ 0
PE5
Text GLabel 3650 3000 0    50   Input ~ 0
PE6
Text GLabel 3650 3100 0    50   Input ~ 0
PE7
$Comp
L power:GND #PWR0113
U 1 1 5D84604F
P 6050 7450
F 0 "#PWR0113" H 6050 7200 50  0001 C CNN
F 1 "GND" H 6055 7277 50  0000 C CNN
F 2 "" H 6050 7450 50  0001 C CNN
F 3 "" H 6050 7450 50  0001 C CNN
	1    6050 7450
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0114
U 1 1 5D84673F
P 6050 6450
F 0 "#PWR0114" H 6050 6300 50  0001 C CNN
F 1 "VCC" H 6067 6623 50  0000 C CNN
F 2 "" H 6050 6450 50  0001 C CNN
F 3 "" H 6050 6450 50  0001 C CNN
	1    6050 6450
	1    0    0    -1  
$EndComp
$Comp
L Device:CP C2
U 1 1 5D846E2F
P 2150 7050
F 0 "C2" H 2268 7096 50  0000 L CNN
F 1 "10uF" H 2268 7005 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 2188 6900 50  0001 C CNN
F 3 "~" H 2150 7050 50  0001 C CNN
	1    2150 7050
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5D847C1F
P 2700 7050
F 0 "C3" H 2815 7096 50  0000 L CNN
F 1 "0.1uF" H 2815 7005 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 2738 6900 50  0001 C CNN
F 3 "~" H 2700 7050 50  0001 C CNN
	1    2700 7050
	1    0    0    -1  
$EndComp
$Comp
L Device:C C4
U 1 1 5D84858E
P 3200 7050
F 0 "C4" H 3315 7096 50  0000 L CNN
F 1 "0.1uF" H 3315 7005 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 3238 6900 50  0001 C CNN
F 3 "~" H 3200 7050 50  0001 C CNN
	1    3200 7050
	1    0    0    -1  
$EndComp
$Comp
L Device:C C5
U 1 1 5D848ABB
P 3700 7050
F 0 "C5" H 3815 7096 50  0000 L CNN
F 1 "0.1uF" H 3815 7005 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 3738 6900 50  0001 C CNN
F 3 "~" H 3700 7050 50  0001 C CNN
	1    3700 7050
	1    0    0    -1  
$EndComp
Connection ~ 2700 6900
Wire Wire Line
	2700 6900 3200 6900
Connection ~ 3200 6900
Wire Wire Line
	3200 6900 3700 6900
Wire Wire Line
	2150 7200 2700 7200
Connection ~ 2700 7200
Wire Wire Line
	2700 7200 3200 7200
Connection ~ 3200 7200
Wire Wire Line
	3200 7200 3700 7200
$Comp
L power:GND #PWR0115
U 1 1 5D84E39C
P 3200 7200
F 0 "#PWR0115" H 3200 6950 50  0001 C CNN
F 1 "GND" H 3205 7027 50  0000 C CNN
F 2 "" H 3200 7200 50  0001 C CNN
F 3 "" H 3200 7200 50  0001 C CNN
	1    3200 7200
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0116
U 1 1 5D84EB7D
P 3200 6900
F 0 "#PWR0116" H 3200 6750 50  0001 C CNN
F 1 "VCC" H 3217 7073 50  0000 C CNN
F 2 "" H 3200 6900 50  0001 C CNN
F 3 "" H 3200 6900 50  0001 C CNN
	1    3200 6900
	1    0    0    -1  
$EndComp
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 5D84F359
P 2700 6900
F 0 "#FLG0101" H 2700 6975 50  0001 C CNN
F 1 "PWR_FLAG" H 2700 7073 50  0000 C CNN
F 2 "" H 2700 6900 50  0001 C CNN
F 3 "~" H 2700 6900 50  0001 C CNN
	1    2700 6900
	1    0    0    -1  
$EndComp
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 5D84FB43
P 2700 7200
F 0 "#FLG0102" H 2700 7275 50  0001 C CNN
F 1 "PWR_FLAG" H 2700 7373 50  0000 C CNN
F 2 "" H 2700 7200 50  0001 C CNN
F 3 "~" H 2700 7200 50  0001 C CNN
	1    2700 7200
	-1   0    0    1   
$EndComp
Text GLabel 1650 6900 0    50   Input ~ 0
VCC
Text GLabel 1650 7200 0    50   Input ~ 0
GND
Wire Wire Line
	1650 6900 2150 6900
Connection ~ 2150 6900
Wire Wire Line
	2150 6900 2700 6900
Wire Wire Line
	2150 7200 1650 7200
Connection ~ 2150 7200
NoConn ~ 3650 3700
Wire Wire Line
	1050 2750 2550 2750
Wire Wire Line
	2550 2750 2550 1150
NoConn ~ 1300 5900
Text GLabel 1650 4750 2    50   Input ~ 0
RW
$Comp
L Device:Jumper JP4
U 1 1 5E39635E
P 1350 4750
F 0 "JP4" H 1350 4600 50  0000 C CNN
F 1 "Jumper" H 1350 4700 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 1350 4750 50  0001 C CNN
F 3 "~" H 1350 4750 50  0001 C CNN
	1    1350 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	10350 3200 10350 3700
$Comp
L 74xx:74HCT00 U4
U 1 1 5E3A472F
P 10650 3800
F 0 "U4" H 10650 4125 50  0000 C CNN
F 1 "74HCT00" H 10650 4034 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 10650 3800 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74hct00" H 10650 3800 50  0001 C CNN
	1    10650 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	10350 3900 10350 3700
Connection ~ 10350 3700
$Comp
L 74xx:74HCT00 U4
U 2 1 5E3B4823
P 6950 2350
F 0 "U4" H 6950 2675 50  0000 C CNN
F 1 "74HCT00" H 6950 2584 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 6950 2350 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74hct00" H 6950 2350 50  0001 C CNN
	2    6950 2350
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HCT00 U4
U 3 1 5E3B68EE
P 7800 2450
F 0 "U4" H 7800 2775 50  0000 C CNN
F 1 "74HCT00" H 7800 2684 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 7800 2450 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74hct00" H 7800 2450 50  0001 C CNN
	3    7800 2450
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HCT00 U4
U 4 1 5E3B8135
P 7800 3000
F 0 "U4" H 7800 3325 50  0000 C CNN
F 1 "74HCT00" H 7800 3234 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 7800 3000 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74hct00" H 7800 3000 50  0001 C CNN
	4    7800 3000
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HCT00 U4
U 5 1 5E3B9ECD
P 6050 6950
F 0 "U4" H 6280 6996 50  0000 L CNN
F 1 "74HCT00" H 6280 6905 50  0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 6050 6950 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74hct00" H 6050 6950 50  0001 C CNN
	5    6050 6950
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 2550 7500 2700
Wire Wire Line
	6650 2250 6650 2450
Wire Wire Line
	7500 2350 7250 2350
Wire Wire Line
	6650 3100 7500 3100
Connection ~ 6650 2450
Text GLabel 8100 2450 2    50   Output ~ 0
WR
Text GLabel 8100 3000 2    50   Output ~ 0
RD
Wire Wire Line
	6350 3000 6650 3000
Connection ~ 7500 2700
Wire Wire Line
	7500 2700 7500 2900
Wire Wire Line
	7150 2700 7500 2700
NoConn ~ 9750 1750
Text GLabel 10550 1000 3    50   Input ~ 0
GND
$Comp
L Device:C C6
U 1 1 5E4A2ECD
P 4200 7050
F 0 "C6" H 4315 7096 50  0000 L CNN
F 1 "0.1uF" H 4315 7005 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 4238 6900 50  0001 C CNN
F 3 "~" H 4200 7050 50  0001 C CNN
	1    4200 7050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3700 6900 4200 6900
Wire Wire Line
	3700 7200 4200 7200
Connection ~ 3700 6900
Connection ~ 3700 7200
$Comp
L Power_Supervisor:MAX811LEUS-T U5
U 1 1 5E4FC683
P 7500 1350
F 0 "U5" H 7800 1900 50  0000 L CNN
F 1 "MAX811LEUS-T" H 7750 1800 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-143" H 7600 1050 50  0001 L CNN
F 3 "https://datasheets.maximintegrated.com/en/ds/MAX811-MAX812.pdf" H 7150 650 50  0001 C CNN
	1    7500 1350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5E4FD766
P 7500 1650
F 0 "#PWR0109" H 7500 1400 50  0001 C CNN
F 1 "GND" H 7505 1477 50  0000 C CNN
F 2 "" H 7500 1650 50  0001 C CNN
F 3 "" H 7500 1650 50  0001 C CNN
	1    7500 1650
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0110
U 1 1 5E4FE280
P 7500 1050
F 0 "#PWR0110" H 7500 900 50  0001 C CNN
F 1 "VCC" H 7517 1223 50  0000 C CNN
F 2 "" H 7500 1050 50  0001 C CNN
F 3 "" H 7500 1050 50  0001 C CNN
	1    7500 1050
	1    0    0    -1  
$EndComp
Text GLabel 8200 1350 2    50   Output ~ 0
RESET
$Comp
L Device:R R4
U 1 1 5E50B9C0
P 8050 1350
F 0 "R4" V 7843 1350 50  0000 C CNN
F 1 "4K7" V 7934 1350 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 7980 1350 50  0001 C CNN
F 3 "~" H 8050 1350 50  0001 C CNN
	1    8050 1350
	0    1    1    0   
$EndComp
$Comp
L Device:C C7
U 1 1 5E51AFC1
P 6950 1500
F 0 "C7" H 6800 1600 50  0000 L CNN
F 1 "0.1uF" H 6750 1700 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 6988 1350 50  0001 C CNN
F 3 "~" H 6950 1500 50  0001 C CNN
	1    6950 1500
	1    0    0    -1  
$EndComp
Connection ~ 7500 1650
Wire Wire Line
	6950 1350 7100 1350
Wire Wire Line
	6950 1650 7500 1650
$Comp
L Connector:Conn_01x02_Male J6
U 1 1 5E5574D5
P 6450 900
F 0 "J6" V 6512 944 50  0000 L CNN
F 1 "Conn_01x02_Male" V 6603 944 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Horizontal" H 6450 900 50  0001 C CNN
F 3 "~" H 6450 900 50  0001 C CNN
	1    6450 900 
	0    1    1    0   
$EndComp
Wire Wire Line
	6450 1100 6450 1350
Wire Wire Line
	6450 1350 6950 1350
Connection ~ 6950 1350
Wire Wire Line
	6350 1100 6350 1650
Wire Wire Line
	6350 1650 6950 1650
Connection ~ 6950 1650
Wire Wire Line
	5650 2200 6150 2200
$Comp
L Device:R R5
U 1 1 5E5A9F11
P 6150 2350
F 0 "R5" H 6220 2396 50  0000 L CNN
F 1 "4K7" H 6220 2305 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 6080 2350 50  0001 C CNN
F 3 "~" H 6150 2350 50  0001 C CNN
	1    6150 2350
	1    0    0    -1  
$EndComp
Connection ~ 6150 2200
Wire Wire Line
	6150 2200 6300 2200
Connection ~ 6650 3000
Wire Wire Line
	6650 3000 6650 3100
Wire Wire Line
	6650 2450 6650 3000
$Comp
L power:GND #PWR0117
U 1 1 5E5D9A55
P 6150 2500
F 0 "#PWR0117" H 6150 2250 50  0001 C CNN
F 1 "GND" H 6155 2327 50  0000 C CNN
F 2 "" H 6150 2500 50  0001 C CNN
F 3 "" H 6150 2500 50  0001 C CNN
	1    6150 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	9150 4200 8900 4200
Connection ~ 8900 4200
Wire Wire Line
	8900 4200 8900 2900
Wire Wire Line
	9150 4300 8900 4300
Connection ~ 8900 4300
Wire Wire Line
	8900 4300 8900 4200
Wire Wire Line
	9150 4400 8900 4400
Connection ~ 8900 4400
Wire Wire Line
	8900 4400 8900 4300
Wire Wire Line
	8900 4500 8900 4700
Wire Wire Line
	8900 4700 9150 4700
Connection ~ 8900 4500
Wire Wire Line
	9150 4800 8900 4800
Wire Wire Line
	8900 4800 8900 4700
Connection ~ 8900 4700
$Comp
L Jumper:Jumper_3_Open JP5
U 1 1 5E62265C
P 8500 4600
F 0 "JP5" V 8546 4687 50  0000 L CNN
F 1 "Jumper_3_Open" V 8455 4687 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 8500 4600 50  0001 C CNN
F 3 "~" H 8500 4600 50  0001 C CNN
	1    8500 4600
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8650 4600 9150 4600
Wire Wire Line
	8500 4350 8500 2900
Wire Wire Line
	8500 2900 8900 2900
Connection ~ 8900 2900
Wire Wire Line
	8900 2900 9650 2900
Wire Wire Line
	8500 4850 8500 5300
Wire Wire Line
	8500 5300 8800 5300
Connection ~ 8800 5300
Wire Wire Line
	8800 5300 9150 5300
Text Notes 2550 6200 0    50   ~ 0
Add MODB jumper for special mode (ROM maps A000 so no other change needed)\n
$Comp
L Device:Jumper JP6
U 1 1 5EB23D27
P 3100 5100
F 0 "JP6" V 3054 5227 50  0000 L CNN
F 1 "Jumper" V 3145 5227 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 3100 5100 50  0001 C CNN
F 3 "~" H 3100 5100 50  0001 C CNN
	1    3100 5100
	0    1    1    0   
$EndComp
Connection ~ 3100 4800
Wire Wire Line
	3100 4800 2650 4800
Wire Wire Line
	2200 5350 2200 5400
Wire Wire Line
	2200 5400 3100 5400
Connection ~ 3100 5400
Wire Wire Line
	3100 5400 3650 5400
Connection ~ 3650 5400
Wire Wire Line
	3650 5400 4650 5400
Wire Wire Line
	3650 5000 3650 5400
$EndSCHEMATC
