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 750 2750
F 0 "J1" H 668 4867 50  0000 C CNN
F 1 "Conn_01x40" H 668 4776 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x40_P2.54mm_Horizontal" H 750 2750 50  0001 C CNN
F 3 "~" H 750 2750 50  0001 C CNN
	1    750  2750
	-1   0    0    -1  
$EndComp
Text GLabel 950  850  2    50   Input ~ 0
A15
Text GLabel 950  950  2    50   Input ~ 0
A14
Text GLabel 950  1050 2    50   Input ~ 0
A13
Text GLabel 950  1150 2    50   Input ~ 0
A12
Text GLabel 950  1250 2    50   Input ~ 0
A11
Text GLabel 950  1350 2    50   Input ~ 0
A10
Text GLabel 950  1450 2    50   Input ~ 0
A9
Text GLabel 950  1550 2    50   Input ~ 0
A8
Text GLabel 950  1650 2    50   Input ~ 0
A7
Text GLabel 950  1750 2    50   Input ~ 0
A6
Text GLabel 950  1850 2    50   Input ~ 0
A5
Text GLabel 950  1950 2    50   Input ~ 0
A4
Text GLabel 950  2050 2    50   Input ~ 0
A3
Text GLabel 950  2150 2    50   Input ~ 0
A2
Text GLabel 950  2250 2    50   Input ~ 0
A1
Text GLabel 950  2350 2    50   Input ~ 0
A0
Text GLabel 950  2450 2    50   Output ~ 0
GND
Text GLabel 950  2550 2    50   Output ~ 0
VCC
Text GLabel 950  2750 2    50   3State ~ 0
RESET
Text GLabel 950  2850 2    50   Output ~ 0
CLK
Text GLabel 950  2950 2    50   Output ~ 0
INT
Text GLabel 950  3050 2    50   Input ~ 0
MREQ
Text GLabel 950  3150 2    50   Input ~ 0
WR
Text GLabel 950  3250 2    50   Input ~ 0
RD
Text GLabel 950  3350 2    50   Input ~ 0
IORQ
Text GLabel 950  3450 2    50   3State ~ 0
D0
Text GLabel 950  3550 2    50   3State ~ 0
D1
Text GLabel 950  3650 2    50   3State ~ 0
D2
Text GLabel 950  3750 2    50   3State ~ 0
D3
Text GLabel 950  3850 2    50   3State ~ 0
D4
Text GLabel 950  3950 2    50   3State ~ 0
D5
Text GLabel 950  4050 2    50   3State ~ 0
D6
Text GLabel 950  4150 2    50   3State ~ 0
D7
$Comp
L Device:R R4
U 1 1 5D732C8D
P 3300 1150
F 0 "R4" H 3370 1196 50  0000 L CNN
F 1 "4K7" H 3370 1105 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 3230 1150 50  0001 C CNN
F 3 "~" H 3300 1150 50  0001 C CNN
	1    3300 1150
	1    0    0    -1  
$EndComp
$Comp
L Device:R R5
U 1 1 5D732F58
P 3550 1150
F 0 "R5" H 3620 1196 50  0000 L CNN
F 1 "4K7" H 3620 1105 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 3480 1150 50  0001 C CNN
F 3 "~" H 3550 1150 50  0001 C CNN
	1    3550 1150
	1    0    0    -1  
$EndComp
Connection ~ 3050 1000
Wire Wire Line
	3300 1000 3550 1000
Connection ~ 3300 1000
$Comp
L 74xx:74HC00 U3
U 1 1 5D75BDF6
P 6650 3700
F 0 "U3" H 6650 4025 50  0000 C CNN
F 1 "74HC00" H 6650 3934 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 6650 3700 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74hc00" H 6650 3700 50  0001 C CNN
	1    6650 3700
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HC00 U3
U 2 1 5D75D884
P 7650 3800
F 0 "U3" H 7650 4125 50  0000 C CNN
F 1 "74HC00" H 7650 4034 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 7650 3800 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74hc00" H 7650 3800 50  0001 C CNN
	2    7650 3800
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HC00 U3
U 3 1 5D760D9C
P 7650 4350
F 0 "U3" H 7650 4675 50  0000 C CNN
F 1 "74HC00" H 7650 4584 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 7650 4350 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74hc00" H 7650 4350 50  0001 C CNN
	3    7650 4350
	1    0    0    -1  
$EndComp
Connection ~ 6350 3800
Wire Wire Line
	6350 3800 6350 3600
Wire Wire Line
	7350 4450 6350 4450
$Comp
L Jumper:Jumper_2_Open JP1
U 1 1 5D763796
P 1600 4550
F 0 "JP1" H 2050 4550 50  0000 C CNN
F 1 "Jumper_2_Open" H 2450 4550 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 1600 4550 50  0001 C CNN
F 3 "~" H 1600 4550 50  0001 C CNN
	1    1600 4550
	1    0    0    -1  
$EndComp
Text GLabel 1800 4550 2    50   Input ~ 0
E
Wire Wire Line
	1400 4550 950  4550
Wire Wire Line
	6350 3800 6350 4200
Wire Wire Line
	6950 3700 7350 3700
Text GLabel 7950 3800 2    50   Output ~ 0
WR
Text GLabel 7950 4350 2    50   Output ~ 0
RD
$Comp
L 74xx:74HC00 U3
U 4 1 5D79212F
P 7350 5450
F 0 "U3" H 7350 5775 50  0000 C CNN
F 1 "74HC00" H 7350 5684 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 7350 5450 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74hc00" H 7350 5450 50  0001 C CNN
	4    7350 5450
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HC00 U3
U 5 1 5D792FFA
P 1000 6800
F 0 "U3" H 1230 6846 50  0000 L CNN
F 1 "74HC00" H 1230 6755 50  0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 1000 6800 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74hc00" H 1000 6800 50  0001 C CNN
	5    1000 6800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 5D7959FF
P 1000 7300
F 0 "#PWR0107" H 1000 7050 50  0001 C CNN
F 1 "GND" H 1005 7127 50  0000 C CNN
F 2 "" H 1000 7300 50  0001 C CNN
F 3 "" H 1000 7300 50  0001 C CNN
	1    1000 7300
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0108
U 1 1 5D7963F4
P 1000 6300
F 0 "#PWR0108" H 1000 6150 50  0001 C CNN
F 1 "VCC" H 1017 6473 50  0000 C CNN
F 2 "" H 1000 6300 50  0001 C CNN
F 3 "" H 1000 6300 50  0001 C CNN
	1    1000 6300
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 5D796D91
P 2200 6850
F 0 "C1" H 2315 6896 50  0000 L CNN
F 1 "0.1uF" H 2315 6805 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 2238 6700 50  0001 C CNN
F 3 "~" H 2200 6850 50  0001 C CNN
	1    2200 6850
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 5D79C1E9
P 2750 6850
F 0 "C2" H 2865 6896 50  0000 L CNN
F 1 "0.1uF" H 2865 6805 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 2788 6700 50  0001 C CNN
F 3 "~" H 2750 6850 50  0001 C CNN
	1    2750 6850
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5D7A60A9
P 3250 6850
F 0 "C3" H 3365 6896 50  0000 L CNN
F 1 "0.1uF" H 3365 6805 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 3288 6700 50  0001 C CNN
F 3 "~" H 3250 6850 50  0001 C CNN
	1    3250 6850
	1    0    0    -1  
$EndComp
Text GLabel 1900 6700 0    50   Input ~ 0
VCC
Text GLabel 1900 7000 0    50   Input ~ 0
GND
Wire Wire Line
	1900 6700 2200 6700
Connection ~ 2200 6700
Wire Wire Line
	2200 6700 2750 6700
Connection ~ 2750 6700
Wire Wire Line
	2750 6700 3250 6700
Wire Wire Line
	1900 7000 2200 7000
Connection ~ 2200 7000
Wire Wire Line
	2200 7000 2750 7000
Connection ~ 2750 7000
Wire Wire Line
	2750 7000 3250 7000
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 5D7B805C
P 2750 6700
F 0 "#FLG0101" H 2750 6775 50  0001 C CNN
F 1 "PWR_FLAG" H 2750 6873 50  0000 C CNN
F 2 "" H 2750 6700 50  0001 C CNN
F 3 "~" H 2750 6700 50  0001 C CNN
	1    2750 6700
	1    0    0    -1  
$EndComp
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 5D7B8ABA
P 2750 7000
F 0 "#FLG0102" H 2750 7075 50  0001 C CNN
F 1 "PWR_FLAG" H 2750 7173 50  0000 C CNN
F 2 "" H 2750 7000 50  0001 C CNN
F 3 "~" H 2750 7000 50  0001 C CNN
	1    2750 7000
	-1   0    0    1   
$EndComp
$Comp
L 74xx:74LS688 U2
U 1 1 5D7C2D6D
P 6450 6350
F 0 "U2" H 6994 6396 50  0000 L CNN
F 1 "74HC688" H 6994 6305 50  0000 L CNN
F 2 "Package_DIP:DIP-20_W7.62mm" H 6450 6350 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS688" H 6450 6350 50  0001 C CNN
	1    6450 6350
	1    0    0    -1  
$EndComp
Wire Wire Line
	5950 6050 5950 5950
Wire Wire Line
	5950 5150 6450 5150
Connection ~ 5950 5450
Wire Wire Line
	5950 5450 5950 5150
Connection ~ 5950 5550
Wire Wire Line
	5950 5550 5950 5450
Connection ~ 5950 5650
Wire Wire Line
	5950 5650 5950 5550
Connection ~ 5950 5750
Wire Wire Line
	5950 5750 5950 5650
Connection ~ 5950 5850
Wire Wire Line
	5950 5850 5950 5750
Connection ~ 5950 5950
Wire Wire Line
	5950 5950 5950 5850
$Comp
L power:GND #PWR0109
U 1 1 5D8121EB
P 6450 7550
F 0 "#PWR0109" H 6450 7300 50  0001 C CNN
F 1 "GND" H 6455 7377 50  0000 C CNN
F 2 "" H 6450 7550 50  0001 C CNN
F 3 "" H 6450 7550 50  0001 C CNN
	1    6450 7550
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0110
U 1 1 5D81295C
P 6450 5150
F 0 "#PWR0110" H 6450 5000 50  0001 C CNN
F 1 "VCC" H 6467 5323 50  0000 C CNN
F 2 "" H 6450 5150 50  0001 C CNN
F 3 "" H 6450 5150 50  0001 C CNN
	1    6450 5150
	1    0    0    -1  
$EndComp
Connection ~ 6450 5150
Text GLabel 5950 6350 0    50   Input ~ 0
A15
Text GLabel 5950 6450 0    50   Input ~ 0
A14
Text GLabel 5950 6550 0    50   Input ~ 0
A13
Text GLabel 5950 6650 0    50   Input ~ 0
A12
Text GLabel 5950 6750 0    50   Input ~ 0
A11
Text GLabel 5950 6850 0    50   Input ~ 0
A10
Text GLabel 5950 6950 0    50   Input ~ 0
A9
Wire Wire Line
	7050 5350 7050 5450
Wire Wire Line
	6950 5450 7050 5450
Connection ~ 7050 5450
Wire Wire Line
	7050 5450 7050 5550
Text GLabel 7650 5450 2    50   Output ~ 0
MREQ
Text GLabel 7650 5800 2    50   Output ~ 0
IORQ
Wire Wire Line
	7050 5800 7650 5800
Connection ~ 7050 5550
Wire Wire Line
	7050 5550 7050 5800
NoConn ~ 950  4450
NoConn ~ 950  4750
$Comp
L Device:R R1
U 1 1 5D843054
P 2300 2000
F 0 "R1" H 2370 2046 50  0000 L CNN
F 1 "10K" H 2370 1955 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 2230 2000 50  0001 C CNN
F 3 "~" H 2300 2000 50  0001 C CNN
	1    2300 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	950  2650 2300 2650
$Comp
L Device:R R3
U 1 1 5D8B5BA0
P 3050 1150
F 0 "R3" H 3120 1196 50  0000 L CNN
F 1 "4K7" H 3120 1105 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 2980 1150 50  0001 C CNN
F 3 "~" H 3050 1150 50  0001 C CNN
	1    3050 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 1000 3300 1000
$Comp
L Alan:6808 U1
U 1 1 5E8879C7
P 4800 2750
F 0 "U1" H 5550 4750 50  0000 C CNN
F 1 "6808" H 5550 4650 50  0000 C CNN
F 2 "Package_DIP:DIP-40_W15.24mm" H 4850 2750 50  0001 C CNN
F 3 "" H 4850 2750 50  0001 C CNN
	1    4800 2750
	1    0    0    -1  
$EndComp
Wire Wire Line
	5500 4200 6350 4200
Connection ~ 6350 4200
Wire Wire Line
	6350 4200 6350 4450
Text GLabel 5500 2950 2    50   3State ~ 0
D7
Text GLabel 5500 3050 2    50   3State ~ 0
D6
Text GLabel 5500 3150 2    50   3State ~ 0
D5
Text GLabel 5500 3250 2    50   3State ~ 0
D4
Text GLabel 5500 3350 2    50   3State ~ 0
D3
Text GLabel 5500 3450 2    50   3State ~ 0
D2
Text GLabel 5500 3550 2    50   3State ~ 0
D1
Text GLabel 5500 3650 2    50   3State ~ 0
D0
Text GLabel 5500 1150 2    50   Output ~ 0
A15
Text GLabel 5500 1250 2    50   Output ~ 0
A14
Text GLabel 5500 1350 2    50   Output ~ 0
A13
Text GLabel 5500 1450 2    50   Output ~ 0
A12
Text GLabel 5500 1550 2    50   Output ~ 0
A11
Text GLabel 5500 1650 2    50   Output ~ 0
A10
Text GLabel 5500 1750 2    50   Output ~ 0
A9
Text GLabel 5500 1850 2    50   Output ~ 0
A8
Text GLabel 5500 1950 2    50   Output ~ 0
A7
Text GLabel 5500 2050 2    50   Output ~ 0
A6
Text GLabel 5500 2150 2    50   Output ~ 0
A5
Text GLabel 5500 2250 2    50   Output ~ 0
A4
Text GLabel 5500 2350 2    50   Output ~ 0
A3
Text GLabel 5500 2450 2    50   Output ~ 0
A2
Text GLabel 5500 2550 2    50   Output ~ 0
A1
Text GLabel 5500 2650 2    50   Output ~ 0
A0
$Comp
L power:GND #PWR0101
U 1 1 5E8CACA6
P 4750 4350
F 0 "#PWR0101" H 4750 4100 50  0001 C CNN
F 1 "GND" H 4755 4177 50  0000 C CNN
F 2 "" H 4750 4350 50  0001 C CNN
F 3 "" H 4750 4350 50  0001 C CNN
	1    4750 4350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5E8CB46E
P 4850 4350
F 0 "#PWR0103" H 4850 4100 50  0001 C CNN
F 1 "GND" H 4855 4177 50  0000 C CNN
F 2 "" H 4850 4350 50  0001 C CNN
F 3 "" H 4850 4350 50  0001 C CNN
	1    4850 4350
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0104
U 1 1 5E8D20E9
P 4800 1000
F 0 "#PWR0104" H 4800 850 50  0001 C CNN
F 1 "VCC" H 4817 1173 50  0000 C CNN
F 2 "" H 4800 1000 50  0001 C CNN
F 3 "" H 4800 1000 50  0001 C CNN
	1    4800 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 1850 2300 1000
Wire Wire Line
	3550 1000 3800 1000
Wire Wire Line
	4800 950  4800 1000
Connection ~ 3550 1000
Connection ~ 4800 1000
Wire Wire Line
	2300 2150 2300 2650
Text GLabel 4100 1750 0    50   Input ~ 0
RESET
Wire Wire Line
	3550 1300 3550 2250
Wire Wire Line
	3550 2250 4100 2250
Wire Wire Line
	3300 2350 4100 2350
Wire Wire Line
	3300 1300 3300 2350
Text GLabel 2800 2250 0    50   Input ~ 0
INT
Wire Wire Line
	2800 2250 3550 2250
Connection ~ 3550 2250
NoConn ~ 4100 3100
Wire Wire Line
	4100 3400 3050 3400
Wire Wire Line
	3050 3400 3050 4350
Wire Wire Line
	3050 4350 4750 4350
Connection ~ 4750 4350
Wire Wire Line
	4100 2700 3800 2700
Wire Wire Line
	3800 2700 3800 1000
Connection ~ 3800 1000
Wire Wire Line
	3800 1000 4100 1000
NoConn ~ 4100 4150
Text GLabel 4100 4050 0    50   Input ~ 0
CLK
Wire Wire Line
	3050 1300 3050 2600
Wire Wire Line
	3050 2600 4100 2600
Wire Wire Line
	2300 1000 3050 1000
$Comp
L Jumper:Jumper_2_Open JP2
U 1 1 5E9144FC
P 1600 4650
F 0 "JP2" H 2050 4650 50  0000 C CNN
F 1 "Jumper_2_Open" H 2450 4650 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 1600 4650 50  0001 C CNN
F 3 "~" H 1600 4650 50  0001 C CNN
	1    1600 4650
	1    0    0    -1  
$EndComp
Text GLabel 1800 4650 2    50   Input ~ 0
RW
Wire Wire Line
	1400 4650 950  4650
Text Notes 7550 1100 2    50   ~ 0
6808 not 68HC08!\n
Wire Wire Line
	5950 6150 5450 6150
Connection ~ 6450 7550
Wire Wire Line
	5450 7550 5950 7550
Wire Wire Line
	5450 6150 5450 7550
Text GLabel 5950 7050 0    50   Input ~ 0
A8
Wire Wire Line
	5950 7250 5950 7550
Connection ~ 5950 7550
Wire Wire Line
	5950 7550 6450 7550
Wire Wire Line
	5500 4000 7350 4000
Connection ~ 7350 4000
Wire Wire Line
	7350 4000 7350 3900
Wire Wire Line
	7350 4000 7350 4250
Text GLabel 5500 4100 2    50   Output ~ 0
E
Wire Wire Line
	4100 1350 4100 1000
Connection ~ 4100 1000
Wire Wire Line
	4100 1000 4800 1000
Text GLabel 6550 4200 2    50   Output ~ 0
RW
Wire Wire Line
	6350 4200 6550 4200
NoConn ~ 950  4250
NoConn ~ 950  4350
$EndSCHEMATC
