EESchema Schematic File Version 4
LIBS:ioexpander-cache
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 2800
F 0 "J1" H 768 4917 50  0000 C CNN
F 1 "Conn_01x40" H 768 4826 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x40_P2.54mm_Vertical" H 850 2800 50  0001 C CNN
F 3 "~" H 850 2800 50  0001 C CNN
	1    850  2800
	-1   0    0    -1  
$EndComp
Text GLabel 1050 900  2    50   Output ~ 0
A15
Text GLabel 1050 1000 2    50   Output ~ 0
A14
Text GLabel 1050 1100 2    50   Output ~ 0
A13
Text GLabel 1050 1200 2    50   Output ~ 0
A12
Text GLabel 1050 1300 2    50   Output ~ 0
A11
Text GLabel 1050 1400 2    50   Output ~ 0
A10
Text GLabel 1050 1500 2    50   Output ~ 0
A9
Text GLabel 1050 1600 2    50   Output ~ 0
A8
Text GLabel 1050 1700 2    50   Output ~ 0
A7
Text GLabel 1050 1800 2    50   Output ~ 0
A6
Text GLabel 1050 1900 2    50   Output ~ 0
A5
Text GLabel 1050 2000 2    50   Output ~ 0
A4
Text GLabel 1050 2100 2    50   Output ~ 0
A3
Text GLabel 1050 2200 2    50   Output ~ 0
A2
Text GLabel 1050 2300 2    50   Output ~ 0
A1
Text GLabel 1050 2400 2    50   Output ~ 0
A0
Text GLabel 1050 2500 2    50   Output ~ 0
GND
Text GLabel 1050 2600 2    50   Output ~ 0
VCC
Text GLabel 1050 2700 2    50   Output ~ 0
M1
Text GLabel 1050 2800 2    50   3State ~ 0
RESET
Text GLabel 1050 2900 2    50   Output ~ 0
CLK
Text GLabel 1050 3000 2    50   Output ~ 0
INT
Text GLabel 1050 3200 2    50   Output ~ 0
WR
Text GLabel 1050 3300 2    50   Output ~ 0
RD
Text GLabel 1050 3400 2    50   Output ~ 0
IORQ
Text GLabel 1050 3500 2    50   3State ~ 0
D0
Text GLabel 1050 3600 2    50   3State ~ 0
D1
Text GLabel 1050 3700 2    50   3State ~ 0
D2
Text GLabel 1050 3800 2    50   3State ~ 0
D3
Text GLabel 1050 3900 2    50   3State ~ 0
D4
Text GLabel 1050 4000 2    50   3State ~ 0
D5
Text GLabel 1050 4100 2    50   3State ~ 0
D6
Text GLabel 1050 4200 2    50   3State ~ 0
D7
Text GLabel 1050 4300 2    50   Output ~ 0
TX
Text GLabel 1650 4400 2    50   Input ~ 0
RX
$Comp
L 74xx_IEEE:74LS688 U2
U 1 1 5D4F1B7D
P 3750 2500
F 0 "U2" H 3750 3566 50  0000 C CNN
F 1 "74HCT688" H 3750 3475 50  0000 C CNN
F 2 "Package_DIP:DIP-20_W7.62mm" H 3750 2500 50  0001 C CNN
F 3 "" H 3750 2500 50  0001 C CNN
	1    3750 2500
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS32 U1
U 1 1 5D4F4C42
P 5350 2100
F 0 "U1" H 5350 2425 50  0000 C CNN
F 1 "74HCT32" H 5350 2334 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 5350 2100 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 5350 2100 50  0001 C CNN
	1    5350 2100
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS32 U1
U 2 1 5D4F655C
P 5350 2850
F 0 "U1" H 5350 3175 50  0000 C CNN
F 1 "74HCT32" H 5350 3084 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 5350 2850 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 5350 2850 50  0001 C CNN
	2    5350 2850
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS32 U1
U 3 1 5D4F6F81
P 1250 5350
F 0 "U1" H 1250 5675 50  0000 C CNN
F 1 "74HCT32" H 1250 5584 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 1250 5350 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 1250 5350 50  0001 C CNN
	3    1250 5350
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS32 U1
U 4 1 5D4F8A2B
P 1250 5900
F 0 "U1" H 1250 6225 50  0000 C CNN
F 1 "74HCT32" H 1250 6134 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 1250 5900 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 1250 5900 50  0001 C CNN
	4    1250 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4300 2550 5050 2550
Wire Wire Line
	5050 2550 5050 2750
Wire Wire Line
	5050 2200 5050 2550
Connection ~ 5050 2550
Text GLabel 5050 2000 0    50   Input ~ 0
RD
Text GLabel 5050 2950 0    50   Input ~ 0
WR
Text GLabel 5650 2100 2    50   Output ~ 0
IORD
Text GLabel 5650 2850 2    50   Output ~ 0
IOWR
$Comp
L Device:R_Network08 RN1
U 1 1 5D519A29
P 2200 1200
F 0 "RN1" H 2588 1246 50  0000 L CNN
F 1 "10K" H 2588 1155 50  0000 L CNN
F 2 "Resistor_THT:R_Array_SIP9" V 2675 1200 50  0001 C CNN
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 2200 1200 50  0001 C CNN
	1    2200 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	2500 1400 2500 1800
Wire Wire Line
	2500 1800 3200 1800
Wire Wire Line
	3200 1900 2400 1900
Wire Wire Line
	2400 1900 2400 1400
Wire Wire Line
	2300 1400 2300 2000
Wire Wire Line
	2200 2100 2200 1400
Wire Wire Line
	2100 1400 2100 2200
Wire Wire Line
	2100 2200 3200 2200
Wire Wire Line
	2200 2100 3200 2100
Wire Wire Line
	3200 2300 2000 2300
Wire Wire Line
	2000 2300 2000 1400
Wire Wire Line
	1900 2400 1900 1400
Wire Wire Line
	1800 1400 1800 2500
Wire Wire Line
	1800 2500 3200 2500
Text GLabel 3200 2600 0    50   Input ~ 0
A7
Text GLabel 3200 2700 0    50   Input ~ 0
A6
Text GLabel 3200 2800 0    50   Input ~ 0
A5
Text GLabel 3200 2900 0    50   Input ~ 0
A4
Text GLabel 3200 3000 0    50   Input ~ 0
A3
Text GLabel 3200 3100 0    50   Input ~ 0
A2
Text GLabel 3200 3200 0    50   Input ~ 0
A1
Text GLabel 3200 3300 0    50   Input ~ 0
A0
Text GLabel 3200 1700 0    50   Input ~ 0
IORQ
$Comp
L power:GND #PWR0101
U 1 1 5D52743F
P 3750 3350
F 0 "#PWR0101" H 3750 3100 50  0001 C CNN
F 1 "GND" H 3755 3177 50  0000 C CNN
F 2 "" H 3750 3350 50  0001 C CNN
F 3 "" H 3750 3350 50  0001 C CNN
	1    3750 3350
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0102
U 1 1 5D527B9C
P 3750 1650
F 0 "#PWR0102" H 3750 1500 50  0001 C CNN
F 1 "+5V" H 3765 1823 50  0000 C CNN
F 2 "" H 3750 1650 50  0001 C CNN
F 3 "" H 3750 1650 50  0001 C CNN
	1    3750 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	950  5250 950  5450
Connection ~ 950  5450
Wire Wire Line
	950  5450 950  5800
Connection ~ 950  5800
Wire Wire Line
	950  5800 950  6000
$Comp
L power:GND #PWR0103
U 1 1 5D536635
P 950 6200
F 0 "#PWR0103" H 950 5950 50  0001 C CNN
F 1 "GND" H 955 6027 50  0000 C CNN
F 2 "" H 950 6200 50  0001 C CNN
F 3 "" H 950 6200 50  0001 C CNN
	1    950  6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	950  6000 950  6200
Connection ~ 950  6000
$Comp
L Connector_Generic:Conn_02x08_Odd_Even J2
U 1 1 5D539983
P 2100 3050
F 0 "J2" V 2196 2662 50  0000 R CNN
F 1 "Conn_02x08_Top_Bottom" V 2105 2662 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Vertical" H 2100 3050 50  0001 C CNN
F 3 "~" H 2100 3050 50  0001 C CNN
	1    2100 3050
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 5D53B6A4
P 2200 3250
F 0 "#PWR0104" H 2200 3000 50  0001 C CNN
F 1 "GND" H 2205 3077 50  0000 C CNN
F 2 "" H 2200 3250 50  0001 C CNN
F 3 "" H 2200 3250 50  0001 C CNN
	1    2200 3250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1900 3250 2000 3250
Connection ~ 2000 3250
Wire Wire Line
	2000 3250 2100 3250
Connection ~ 2100 3250
Wire Wire Line
	2100 3250 2200 3250
Connection ~ 2200 3250
Wire Wire Line
	2200 3250 2300 3250
Connection ~ 2300 3250
Wire Wire Line
	2300 3250 2400 3250
Connection ~ 2400 3250
Wire Wire Line
	2400 3250 2500 3250
Wire Wire Line
	2500 2750 2500 1800
Connection ~ 2500 1800
Wire Wire Line
	2400 2750 2400 1900
Connection ~ 2400 1900
Wire Wire Line
	2300 2000 3200 2000
Wire Wire Line
	2300 2750 2300 2000
Connection ~ 2300 2000
Wire Wire Line
	2200 2750 2200 2100
Connection ~ 2200 2100
Wire Wire Line
	2100 2750 2100 2200
Connection ~ 2100 2200
Wire Wire Line
	2000 2750 2000 2300
Connection ~ 2000 2300
Wire Wire Line
	3200 2400 1900 2400
Wire Wire Line
	1900 2750 1900 2400
Connection ~ 1900 2400
$Comp
L Device:C C1
U 1 1 5D57E02E
P 1400 7150
F 0 "C1" H 1515 7196 50  0000 L CNN
F 1 "0.1uF" H 1515 7105 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 1438 7000 50  0001 C CNN
F 3 "~" H 1400 7150 50  0001 C CNN
	1    1400 7150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 5D57E8D5
P 1850 7150
F 0 "C2" H 1965 7196 50  0000 L CNN
F 1 "0.1uF" H 1965 7105 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 1888 7000 50  0001 C CNN
F 3 "~" H 1850 7150 50  0001 C CNN
	1    1850 7150
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 5D580F42
P 1400 7300
F 0 "#PWR0105" H 1400 7050 50  0001 C CNN
F 1 "GND" H 1405 7127 50  0000 C CNN
F 2 "" H 1400 7300 50  0001 C CNN
F 3 "" H 1400 7300 50  0001 C CNN
	1    1400 7300
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0106
U 1 1 5D581782
P 1400 7000
F 0 "#PWR0106" H 1400 6850 50  0001 C CNN
F 1 "+5V" H 1415 7173 50  0000 C CNN
F 2 "" H 1400 7000 50  0001 C CNN
F 3 "" H 1400 7000 50  0001 C CNN
	1    1400 7000
	1    0    0    -1  
$EndComp
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 5D5820E1
P 1850 7000
F 0 "#FLG0101" H 1850 7075 50  0001 C CNN
F 1 "PWR_FLAG" H 1850 7173 50  0000 C CNN
F 2 "" H 1850 7000 50  0001 C CNN
F 3 "~" H 1850 7000 50  0001 C CNN
	1    1850 7000
	1    0    0    -1  
$EndComp
Connection ~ 1850 7000
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 5D5827AF
P 1850 7300
F 0 "#FLG0102" H 1850 7375 50  0001 C CNN
F 1 "PWR_FLAG" H 1850 7473 50  0000 C CNN
F 2 "" H 1850 7300 50  0001 C CNN
F 3 "~" H 1850 7300 50  0001 C CNN
	1    1850 7300
	-1   0    0    1   
$EndComp
Connection ~ 1850 7300
NoConn ~ 1550 5350
NoConn ~ 1550 5900
Connection ~ 1400 7300
Connection ~ 1400 7000
Wire Wire Line
	1400 7000 1850 7000
Wire Wire Line
	1400 7300 1850 7300
$Comp
L power:+5V #PWR0107
U 1 1 5D5AE646
P 1800 1000
F 0 "#PWR0107" H 1800 850 50  0001 C CNN
F 1 "+5V" H 1815 1173 50  0000 C CNN
F 2 "" H 1800 1000 50  0001 C CNN
F 3 "" H 1800 1000 50  0001 C CNN
	1    1800 1000
	1    0    0    -1  
$EndComp
Text GLabel 1200 7000 0    50   Input ~ 0
VCC
Text GLabel 1200 7300 0    50   Input ~ 0
GND
Wire Wire Line
	1200 7000 1400 7000
Wire Wire Line
	1400 7300 1200 7300
$Comp
L Connector_Generic:Conn_01x40 J3
U 1 1 5D972839
P 10750 2900
F 0 "J3" H 10668 5017 50  0000 C CNN
F 1 "Conn_01x40" H 10668 4926 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x40_P2.54mm_Vertical" H 10750 2900 50  0001 C CNN
F 3 "~" H 10750 2900 50  0001 C CNN
	1    10750 2900
	1    0    0    -1  
$EndComp
Text GLabel 10550 1800 0    50   Input ~ 0
B_A15
Text GLabel 10550 1900 0    50   Input ~ 0
B_A14
Text GLabel 10550 2000 0    50   Input ~ 0
B_A13
Text GLabel 10550 2100 0    50   Input ~ 0
B_A12
Text GLabel 10550 2200 0    50   Input ~ 0
B_A11
Text GLabel 10550 2300 0    50   Input ~ 0
B_A10
Text GLabel 10550 2400 0    50   Input ~ 0
B_A9
Text GLabel 10550 2500 0    50   Input ~ 0
B_A8
Text GLabel 10550 2600 0    50   Input ~ 0
GND
Text GLabel 10550 2700 0    50   Input ~ 0
VCC
Text GLabel 10550 2800 0    50   Input ~ 0
B_M1
Text GLabel 10550 2900 0    50   3State ~ 0
RESET
Text GLabel 10550 3000 0    50   Input ~ 0
B_CLK
Text GLabel 10550 3100 0    50   3State ~ 0
INT
Text GLabel 10550 3300 0    50   Input ~ 0
IOWR
Text GLabel 10550 3400 0    50   Input ~ 0
IORD
Text GLabel 10550 3500 0    50   Input ~ 0
B_IORQ
NoConn ~ 10550 4600
NoConn ~ 10550 4700
NoConn ~ 10550 4800
NoConn ~ 10550 4900
NoConn ~ 10550 1000
NoConn ~ 10550 1100
NoConn ~ 10550 1200
NoConn ~ 10550 1300
NoConn ~ 10550 1400
NoConn ~ 10550 1500
NoConn ~ 10550 1600
NoConn ~ 10550 1700
Text GLabel 4000 4550 0    50   Input ~ 0
A15
Text GLabel 4000 4650 0    50   Input ~ 0
A14
Text GLabel 4000 4750 0    50   Input ~ 0
A13
Text GLabel 4000 4850 0    50   Input ~ 0
A12
Text GLabel 4000 4950 0    50   Input ~ 0
A11
Text GLabel 4000 5050 0    50   Input ~ 0
A10
Text GLabel 4000 5150 0    50   Input ~ 0
A9
Text GLabel 4000 5250 0    50   Input ~ 0
A8
Text GLabel 4450 2800 2    50   Output ~ 0
IOCS
Wire Wire Line
	4250 2550 4250 2800
Wire Wire Line
	4250 2800 4450 2800
Text GLabel 3450 5300 1    50   Input ~ 0
IOCS
Wire Wire Line
	3600 5550 4000 5550
Text GLabel 5000 4550 2    50   Output ~ 0
B_A15
Text GLabel 5000 4650 2    50   Output ~ 0
B_A14
Text GLabel 5000 4750 2    50   Output ~ 0
B_A13
Text GLabel 5000 4850 2    50   Output ~ 0
B_A12
Text GLabel 5000 4950 2    50   Output ~ 0
B_A11
Text GLabel 5000 5050 2    50   Output ~ 0
B_A10
Text GLabel 5000 5150 2    50   Output ~ 0
B_A9
Text GLabel 5000 5250 2    50   Output ~ 0
B_A8
Text GLabel 6350 4500 0    50   Input ~ 0
M1
Text GLabel 6350 4600 0    50   Input ~ 0
CLK
Text GLabel 6350 4700 0    50   Input ~ 0
IORQ
Text GLabel 6350 4800 0    50   Input ~ 0
TX
Text GLabel 7350 4900 2    50   Output ~ 0
RX
Text GLabel 7350 4500 2    50   Output ~ 0
B_M1
Text GLabel 7350 4600 2    50   Output ~ 0
B_CLK
Text GLabel 7350 4700 2    50   Output ~ 0
B_IORQ
Text GLabel 7350 4800 2    50   Output ~ 0
B_TX
Text GLabel 6350 4900 0    50   Input ~ 0
B_RX
Wire Wire Line
	1800 3250 1900 3250
Connection ~ 1900 3250
Wire Wire Line
	1800 2500 1800 2750
Connection ~ 1800 2500
$Comp
L power:GND #PWR0108
U 1 1 5D9E1A33
P 4500 5850
F 0 "#PWR0108" H 4500 5600 50  0001 C CNN
F 1 "GND" H 4505 5677 50  0000 C CNN
F 2 "" H 4500 5850 50  0001 C CNN
F 3 "" H 4500 5850 50  0001 C CNN
	1    4500 5850
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0109
U 1 1 5D9E258C
P 4500 4250
F 0 "#PWR0109" H 4500 4100 50  0001 C CNN
F 1 "VCC" H 4517 4423 50  0000 C CNN
F 2 "" H 4500 4250 50  0001 C CNN
F 3 "" H 4500 4250 50  0001 C CNN
	1    4500 4250
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0110
U 1 1 5D9E2C65
P 6850 4200
F 0 "#PWR0110" H 6850 4050 50  0001 C CNN
F 1 "VCC" H 6867 4373 50  0000 C CNN
F 2 "" H 6850 4200 50  0001 C CNN
F 3 "" H 6850 4200 50  0001 C CNN
	1    6850 4200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0111
U 1 1 5D9E359A
P 6850 5800
F 0 "#PWR0111" H 6850 5550 50  0001 C CNN
F 1 "GND" H 6855 5627 50  0000 C CNN
F 2 "" H 6850 5800 50  0001 C CNN
F 3 "" H 6850 5800 50  0001 C CNN
	1    6850 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	6350 5000 6350 5100
Connection ~ 6350 5100
Wire Wire Line
	6350 5100 6350 5200
Wire Wire Line
	6150 5800 6850 5800
$Comp
L 74xx:74LS245 U5
U 1 1 5D9E78BA
P 7850 2400
F 0 "U5" H 8150 3450 50  0000 C CNN
F 1 "74HCT245" H 8200 3350 50  0000 C CNN
F 2 "Package_DIP:DIP-20_W7.62mm" H 7850 2400 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 7850 2400 50  0001 C CNN
	1    7850 2400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 5DA206B9
P 7850 3200
F 0 "#PWR0112" H 7850 2950 50  0001 C CNN
F 1 "GND" H 7855 3027 50  0000 C CNN
F 2 "" H 7850 3200 50  0001 C CNN
F 3 "" H 7850 3200 50  0001 C CNN
	1    7850 3200
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0113
U 1 1 5DA212DA
P 7850 1600
F 0 "#PWR0113" H 7850 1450 50  0001 C CNN
F 1 "VCC" H 7867 1773 50  0000 C CNN
F 2 "" H 7850 1600 50  0001 C CNN
F 3 "" H 7850 1600 50  0001 C CNN
	1    7850 1600
	1    0    0    -1  
$EndComp
Text GLabel 7350 2900 0    50   Input ~ 0
IOCS
$Comp
L Jumper:Jumper_3_Open JP1
U 1 1 5DA29456
P 3450 5550
F 0 "JP1" V 3496 5637 50  0000 L CNN
F 1 "Jumper_3_Open" V 3405 5637 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 3450 5550 50  0001 C CNN
F 3 "~" H 3450 5550 50  0001 C CNN
	1    3450 5550
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 5DA391CA
P 3450 5800
F 0 "#PWR0114" H 3450 5550 50  0001 C CNN
F 1 "GND" H 3455 5627 50  0000 C CNN
F 2 "" H 3450 5800 50  0001 C CNN
F 3 "" H 3450 5800 50  0001 C CNN
	1    3450 5800
	1    0    0    -1  
$EndComp
Text GLabel 7350 2800 0    50   Input ~ 0
IORD
Text GLabel 10550 3600 0    50   3State ~ 0
B_D0
Text GLabel 10550 3700 0    50   3State ~ 0
B_D1
Text GLabel 10550 3800 0    50   3State ~ 0
B_D2
Text GLabel 10550 3900 0    50   3State ~ 0
B_D3
Text GLabel 10550 4000 0    50   3State ~ 0
B_D4
Text GLabel 10550 4100 0    50   3State ~ 0
B_D5
Text GLabel 10550 4200 0    50   3State ~ 0
B_D6
Text GLabel 10550 4300 0    50   3State ~ 0
B_D7
Text GLabel 9950 4400 0    50   Input ~ 0
B_TX
Text GLabel 10550 4500 0    50   Output ~ 0
B_RX
NoConn ~ 1050 4500
NoConn ~ 1050 4600
NoConn ~ 1050 4700
NoConn ~ 1050 4800
$Comp
L Device:R R1
U 1 1 5DA801C0
P 9450 2650
F 0 "R1" H 9520 2696 50  0000 L CNN
F 1 "10K" H 9520 2605 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 9380 2650 50  0001 C CNN
F 3 "~" H 9450 2650 50  0001 C CNN
	1    9450 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 2800 9450 3200
Wire Wire Line
	9450 3200 10550 3200
$Comp
L power:VCC #PWR0115
U 1 1 5DA81AD5
P 9450 2500
F 0 "#PWR0115" H 9450 2350 50  0001 C CNN
F 1 "VCC" H 9467 2673 50  0000 C CNN
F 2 "" H 9450 2500 50  0001 C CNN
F 3 "" H 9450 2500 50  0001 C CNN
	1    9450 2500
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS245 U4
U 1 1 5DA8624F
P 6850 5000
F 0 "U4" H 7150 6050 50  0000 C CNN
F 1 "74HCT245" H 7200 5950 50  0000 C CNN
F 2 "Package_DIP:DIP-20_W7.62mm" H 6850 5000 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 6850 5000 50  0001 C CNN
	1    6850 5000
	1    0    0    -1  
$EndComp
Connection ~ 6850 5800
$Comp
L 74xx:74LS245 U3
U 1 1 5DA85667
P 4500 5050
F 0 "U3" H 4800 6100 50  0000 C CNN
F 1 "74HCT245" H 4850 6000 50  0000 C CNN
F 2 "Package_DIP:DIP-20_W7.62mm" H 4500 5050 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 4500 5050 50  0001 C CNN
	1    4500 5050
	1    0    0    -1  
$EndComp
Wire Wire Line
	4000 5450 3650 5450
Wire Wire Line
	3650 5450 3650 4250
Wire Wire Line
	3650 4250 4500 4250
Connection ~ 4500 4250
Wire Wire Line
	6350 5500 6150 5500
Wire Wire Line
	6150 5500 6150 5800
Wire Wire Line
	6350 5400 5900 5400
Wire Wire Line
	5900 5400 5900 4200
Wire Wire Line
	5900 4200 6850 4200
Connection ~ 6850 4200
Text GLabel 8350 2600 2    50   3State ~ 0
B_D7
Text GLabel 8350 2500 2    50   3State ~ 0
B_D6
Text GLabel 8350 2400 2    50   3State ~ 0
B_D5
Text GLabel 8350 2300 2    50   3State ~ 0
B_D4
Text GLabel 8350 2200 2    50   3State ~ 0
B_D3
Text GLabel 8350 2100 2    50   3State ~ 0
B_D2
Text GLabel 8350 2000 2    50   3State ~ 0
B_D1
Text GLabel 8350 1900 2    50   3State ~ 0
B_D0
Text GLabel 7350 2600 0    50   3State ~ 0
D7
Text GLabel 7350 2500 0    50   3State ~ 0
D6
Text GLabel 7350 2400 0    50   3State ~ 0
D5
Text GLabel 7350 2300 0    50   3State ~ 0
D4
Text GLabel 7350 2200 0    50   3State ~ 0
D3
Text GLabel 7350 2100 0    50   3State ~ 0
D2
Text GLabel 7350 2000 0    50   3State ~ 0
D1
Text GLabel 7350 1900 0    50   3State ~ 0
D0
Wire Wire Line
	7350 5000 7350 5100
Connection ~ 7350 5100
Wire Wire Line
	7350 5100 7350 5200
Wire Wire Line
	7350 5100 7600 5100
Wire Wire Line
	7600 5100 7600 6150
Wire Wire Line
	7600 6150 5650 6150
Wire Wire Line
	5650 6150 5650 5100
Wire Wire Line
	5650 5100 6350 5100
NoConn ~ 1050 3100
$Comp
L 74xx:74LS32 U1
U 5 1 5DB20AA5
P 4250 6950
F 0 "U1" H 4480 6996 50  0000 L CNN
F 1 "74HCT32" H 4480 6905 50  0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 4250 6950 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 4250 6950 50  0001 C CNN
	5    4250 6950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 5DB21F78
P 4250 7450
F 0 "#PWR0116" H 4250 7200 50  0001 C CNN
F 1 "GND" H 4255 7277 50  0000 C CNN
F 2 "" H 4250 7450 50  0001 C CNN
F 3 "" H 4250 7450 50  0001 C CNN
	1    4250 7450
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0117
U 1 1 5DB22E29
P 4250 6450
F 0 "#PWR0117" H 4250 6300 50  0001 C CNN
F 1 "VCC" H 4267 6623 50  0000 C CNN
F 2 "" H 4250 6450 50  0001 C CNN
F 3 "" H 4250 6450 50  0001 C CNN
	1    4250 6450
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5DB5EF13
P 2300 7150
F 0 "C3" H 2415 7196 50  0000 L CNN
F 1 "0.1uF" H 2415 7105 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 2338 7000 50  0001 C CNN
F 3 "~" H 2300 7150 50  0001 C CNN
	1    2300 7150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C4
U 1 1 5DB5F3DB
P 2750 7150
F 0 "C4" H 2865 7196 50  0000 L CNN
F 1 "0.1uF" H 2865 7105 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 2788 7000 50  0001 C CNN
F 3 "~" H 2750 7150 50  0001 C CNN
	1    2750 7150
	1    0    0    -1  
$EndComp
Wire Wire Line
	1850 7000 2300 7000
Connection ~ 2300 7000
Wire Wire Line
	2750 7300 2300 7300
Connection ~ 2300 7300
Wire Wire Line
	2300 7300 1850 7300
$Comp
L Device:C C5
U 1 1 5DB69E24
P 3150 7150
F 0 "C5" H 3265 7196 50  0000 L CNN
F 1 "0.1uF" H 3265 7105 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 3188 7000 50  0001 C CNN
F 3 "~" H 3150 7150 50  0001 C CNN
	1    3150 7150
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 7000 2750 7000
Connection ~ 2750 7000
Wire Wire Line
	2750 7000 3150 7000
Wire Wire Line
	3150 7300 2750 7300
Connection ~ 2750 7300
$Comp
L Device:Jumper JP2
U 1 1 5DC9D990
P 10250 4400
F 0 "JP2" H 10250 4664 50  0000 C CNN
F 1 "Jumper" H 10250 4573 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 10250 4400 50  0001 C CNN
F 3 "~" H 10250 4400 50  0001 C CNN
	1    10250 4400
	1    0    0    -1  
$EndComp
$Comp
L Device:Jumper JP3
U 1 1 5DCA3850
P 1350 4400
F 0 "JP3" H 1350 4664 50  0000 C CNN
F 1 "Jumper" H 1350 4573 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 1350 4400 50  0001 C CNN
F 3 "~" H 1350 4400 50  0001 C CNN
	1    1350 4400
	1    0    0    -1  
$EndComp
$EndSCHEMATC
