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