EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr USLedger 17000 11000 encoding utf-8 Sheet 1 1 Title "EPROM Emulator NG" Date "2020-05-05" Rev "1.1" Comp "mygeekyhobby.com" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L Connector_Generic:Conn_02x17_Odd_Even J1 U 1 1 5EAF9319 P 14400 3850 F 0 "J1" H 14450 4867 50 0000 C CNN F 1 "IDC34" H 14450 4950 50 0000 C CNN F 2 "Connector_IDC:IDC-Header_2x17_P2.54mm_Horizontal_Lock" H 14400 3850 50 0001 C CNN F 3 "~" H 14400 3850 50 0001 C CNN 1 14400 3850 -1 0 0 -1 $EndComp Text Label 13850 3350 0 50 ~ 0 E_A15 Text Label 13850 3450 0 50 ~ 0 E_A12 Text Label 13850 3550 0 50 ~ 0 E_A7 Text Label 13850 3650 0 50 ~ 0 E_A6 Text Label 13850 3750 0 50 ~ 0 E_A5 Text Label 13850 3850 0 50 ~ 0 E_A4 Text Label 13850 3950 0 50 ~ 0 E_A3 Text Label 13850 4050 0 50 ~ 0 E_A2 Text Label 13850 4150 0 50 ~ 0 E_A1 Text Label 13850 4250 0 50 ~ 0 E_A0 Text Label 13800 4350 0 50 ~ 0 E_D0 Text Label 13800 4450 0 50 ~ 0 E_D1 Text Label 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50 ~ 0 E_A10 Text Label 12950 5600 0 50 ~ 0 E_A11 Wire Wire Line 13200 5900 12900 5900 Wire Wire Line 12900 6000 13200 6000 Wire Wire Line 12900 5800 13200 5800 Entry Wire Line 13200 5900 13300 5800 Entry Wire Line 13200 5800 13300 5700 Entry Wire Line 13200 6000 13300 5900 Entry Wire Line 13200 5600 13300 5500 Wire Wire Line 12900 5600 13200 5600 $Comp L mgh-symbols:74LS541 U10 U 1 1 5EB60B5F P 12400 4150 F 0 "U10" H 12150 4900 50 0000 C CNN F 1 "74HCT541" H 12250 4800 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket" H 12400 4150 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS541" H 12400 4150 50 0001 C CNN 1 12400 4150 -1 0 0 -1 $EndComp $Comp L mgh-symbols:74LS541 U11 U 1 1 5EB67F74 P 12400 5800 F 0 "U11" H 12150 6550 50 0000 C CNN F 1 "74HCT541" H 12250 6450 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket" H 12400 5800 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS541" H 12400 5800 50 0001 C CNN 1 12400 5800 -1 0 0 -1 $EndComp Wire Wire Line 13200 2700 12900 2700 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"http://www.vishay.com/docs/31509/csc.pdf" H 13900 2100 50 0001 C CNN 1 13900 2100 0 1 1 0 $EndComp $Comp L Device:R_Network09 RN2 U 1 1 5EC0D720 P 13900 5600 F 0 "RN2" V 13283 5600 50 0000 C CNN F 1 "10K" V 13374 5600 50 0000 C CNN F 2 "Resistor_THT:R_Array_SIP10" V 14375 5600 50 0001 C CNN F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 13900 5600 50 0001 C CNN 1 13900 5600 0 1 1 0 $EndComp Text Label 13450 2200 0 50 ~ 0 E_D4 Text Label 13450 2300 0 50 ~ 0 E_D5 Text Label 13450 2400 0 50 ~ 0 E_D6 Text Label 13450 2100 0 50 ~ 0 E_D3 Text Label 13450 2500 0 50 ~ 0 E_D7 Wire Wire Line 13400 1900 13700 1900 Wire Wire Line 13400 1800 13700 1800 Wire Wire Line 13400 2200 13700 2200 Wire Wire Line 13400 2000 13700 2000 Text Label 13450 1800 0 50 ~ 0 E_D0 Text Label 13450 1900 0 50 ~ 0 E_D1 Text Label 13450 2000 0 50 ~ 0 E_D2 Wire Wire Line 13700 2400 13400 2400 Wire Wire Line 13400 2500 13700 2500 Wire Wire Line 13400 2300 13700 2300 Wire Wire Line 13400 2100 13700 2100 Entry Wire Line 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Wire Line 13400 5700 13300 5600 Entry Wire Line 13400 5900 13300 5800 Entry Wire Line 13400 5800 13300 5700 Entry Wire Line 13400 6000 13300 5900 Entry Wire Line 13400 5600 13300 5500 $Comp L power:VCC #PWR016 U 1 1 5EC2BB78 P 14300 1650 F 0 "#PWR016" H 14300 1500 50 0001 C CNN F 1 "VCC" H 14317 1823 50 0000 C CNN F 2 "" H 14300 1650 50 0001 C CNN F 3 "" H 14300 1650 50 0001 C CNN 1 14300 1650 1 0 0 -1 $EndComp Wire Bus Line 13300 1200 15150 1200 Wire Wire Line 14300 1650 14300 1700 Wire Wire Line 14300 1700 14100 1700 $Comp L power:VCC #PWR017 U 1 1 5EC3A5D6 P 14300 5150 F 0 "#PWR017" H 14300 5000 50 0001 C CNN F 1 "VCC" H 14317 5323 50 0000 C CNN F 2 "" H 14300 5150 50 0001 C CNN F 3 "" H 14300 5150 50 0001 C CNN 1 14300 5150 1 0 0 -1 $EndComp Wire Wire Line 14300 5150 14300 5200 Wire Wire Line 14300 5200 14100 5200 $Comp L mgh-symbols:HM62256B U7 U 1 1 5EB1B072 P 8100 3450 F 0 "U7" H 8175 4415 50 0000 C CNN F 1 "HM62256B" H 8175 4324 50 0000 C CNN F 2 "Package_DIP:DIP-28_W15.24mm_Socket" H 8100 3450 50 0001 C CNN F 3 "" H 8100 3450 50 0001 C CNN 1 8100 3450 1 0 0 -1 $EndComp Text Label 8800 4000 0 50 ~ 0 D0 Text Label 8800 3900 0 50 ~ 0 D1 Text Label 8800 3800 0 50 ~ 0 D2 Text Label 8800 3700 0 50 ~ 0 D3 Text Label 8800 3600 0 50 ~ 0 D4 Text Label 8800 3500 0 50 ~ 0 D5 Text Label 8800 3400 0 50 ~ 0 D6 Text Label 8800 3300 0 50 ~ 0 D7 Text Label 8600 6450 2 50 ~ 0 A14 Text Label 8600 6000 2 50 ~ 0 A13 Text Label 8600 5550 2 50 ~ 0 A12 Text Label 8600 5100 2 50 ~ 0 A11 Text Label 7550 3150 0 50 ~ 0 A10 Text Label 7550 3250 0 50 ~ 0 A9 Text Label 7550 3350 0 50 ~ 0 A8 Text Label 7550 3450 0 50 ~ 0 A7 Text Label 7550 3550 0 50 ~ 0 A6 Text Label 7550 3650 0 50 ~ 0 A5 Text Label 7550 3750 0 50 ~ 0 A4 Text Label 7550 3850 0 50 ~ 0 A3 Text Label 7550 3950 0 50 ~ 0 A2 Text Label 7550 4050 0 50 ~ 0 A1 Text Label 7550 4150 0 50 ~ 0 A0 Text Label 6800 1250 2 50 ~ 0 D0 Text Label 6800 1350 2 50 ~ 0 D1 Text Label 6800 1450 2 50 ~ 0 D2 Text Label 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Wire Line 11400 2200 11500 2300 Entry Wire Line 11400 2300 11500 2400 Entry Wire Line 11400 2400 11500 2500 Entry Wire Line 8950 4000 9050 3900 Entry Wire Line 8950 3900 9050 3800 Entry Wire Line 8950 3800 9050 3700 Entry Wire Line 8950 3700 9050 3600 Entry Wire Line 8950 3600 9050 3500 Entry Wire Line 8950 3500 9050 3400 Entry Wire Line 8950 3400 9050 3300 Entry Wire Line 8950 3300 9050 3200 Wire Wire Line 8950 3400 8600 3400 Wire Wire Line 8950 3500 8600 3500 Wire Wire Line 8950 3600 8600 3600 Wire Wire Line 8950 3700 8600 3700 Wire Wire Line 8950 3800 8600 3800 Wire Wire Line 8950 3900 8600 3900 Wire Wire Line 8950 4000 8600 4000 Wire Wire Line 11500 1800 11900 1800 Wire Wire Line 11500 1900 11900 1900 Wire Wire Line 11500 2000 11900 2000 Wire Wire Line 11500 2100 11900 2100 Wire Wire Line 11500 2200 11900 2200 Wire Wire Line 11500 2300 11900 2300 Wire Wire Line 11500 2400 11900 2400 Wire Wire Line 11500 2500 11900 2500 Wire Wire Line 11900 5300 11750 5300 Wire Wire Line 11900 5400 11750 5400 Wire Wire Line 11900 5500 11700 5500 $Comp L 74xx:74LS08 U2 U 1 1 5EC4440A P 8100 5200 F 0 "U2" H 8100 5200 50 0000 C CNN F 1 "74HC08" H 8350 5050 50 0000 C CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 8100 5200 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 8100 5200 50 0001 C CNN 1 8100 5200 -1 0 0 1 $EndComp $Comp L 74xx:74LS08 U2 U 2 1 5EC45B6F P 8100 5650 F 0 "U2" H 8100 5650 50 0000 C CNN F 1 "74HC08" H 8350 5500 50 0000 C CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 8100 5650 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 8100 5650 50 0001 C CNN 2 8100 5650 -1 0 0 1 $EndComp $Comp L 74xx:74LS08 U2 U 3 1 5EC47CD0 P 8100 6100 F 0 "U2" H 8100 6100 50 0000 C CNN F 1 "74HC08" H 8350 5950 50 0000 C CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 8100 6100 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 8100 6100 50 0001 C CNN 3 8100 6100 -1 0 0 1 $EndComp $Comp L 74xx:74LS08 U2 U 4 1 5EC49F02 P 8100 6550 F 0 "U2" H 8100 6550 50 0000 C CNN F 1 "74HC08" H 8350 6400 50 0000 C CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 8100 6550 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 8100 6550 50 0001 C CNN 4 8100 6550 -1 0 0 1 $EndComp $Comp L 74xx:74LS08 U2 U 5 1 5EC4DE51 P 3400 9300 F 0 "U2" H 3350 9300 50 0000 L CNN F 1 "74HC08" H 3250 8700 50 0000 L CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 3400 9300 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 3400 9300 50 0001 C CNN 5 3400 9300 1 0 0 -1 $EndComp $Comp L 74xx:74LS00 U1 U 1 1 5ED65403 P 8100 7100 F 0 "U1" H 8100 7100 50 0000 C CNN F 1 "74HC00" H 8100 7350 50 0000 C CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 8100 7100 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 8100 7100 50 0001 C CNN 1 8100 7100 -1 0 0 1 $EndComp $Comp L 74xx:74LS00 U1 U 2 1 5ED679D4 P 7100 7100 F 0 "U1" H 7100 7100 50 0000 C CNN F 1 "74HC00" H 7100 7350 50 0000 C CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 7100 7100 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7100 7100 50 0001 C CNN 2 7100 7100 -1 0 0 1 $EndComp $Comp L 74xx:74LS00 U1 U 3 1 5ED6B7F8 P 6300 2700 F 0 "U1" H 6300 3025 50 0000 C CNN F 1 "74HC00" H 6300 2934 50 0000 C CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 6300 2700 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 6300 2700 50 0001 C CNN 3 6300 2700 1 0 0 -1 $EndComp $Comp L 74xx:74LS00 U1 U 5 1 5ED6E800 P 2850 9300 F 0 "U1" H 2700 9300 50 0000 L CNN F 1 "74HC00" H 2700 8700 50 0000 L CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 2850 9300 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 2850 9300 50 0001 C CNN 5 2850 9300 1 0 0 -1 $EndComp Wire Wire Line 8600 3300 8950 3300 Wire Wire Line 7400 7000 7400 7100 Text Label 8400 5300 0 50 ~ 0 EN_A11 Text Label 8400 5750 0 50 ~ 0 EN_A12 Text Label 8400 6200 0 50 ~ 0 EN_A13 Text Label 8400 6650 0 50 ~ 0 EN_A14 Text Label 8450 7200 0 50 ~ 0 EN_A15 Wire Wire Line 8400 5300 8750 5300 Wire Wire Line 8400 5750 8750 5750 Wire Wire Line 8400 6200 8750 6200 Wire Wire Line 8400 6650 8750 6650 Wire Wire Line 8400 7200 8750 7200 Connection ~ 7400 7100 Wire Wire Line 7400 7100 7400 7200 Text Label 7500 7100 0 50 ~ 0 ~CS2~ Text Label 6650 7100 0 50 ~ 0 ~CS1~ Text Label 8900 3000 2 50 ~ 0 ~CS1~ $Comp L power:VCC #PWR09 U 1 1 5F00620E P 8800 2700 F 0 "#PWR09" H 8800 2550 50 0001 C CNN F 1 "VCC" H 8817 2873 50 0000 C CNN F 2 "" H 8800 2700 50 0001 C CNN F 3 "" H 8800 2700 50 0001 C CNN 1 8800 2700 1 0 0 -1 $EndComp Wire Wire Line 8800 2700 8800 2750 Wire Wire Line 8800 2750 8600 2750 Text Label 8850 4150 2 50 ~ 0 GND Wire Wire Line 8900 4150 8900 4300 $Comp L power:GND #PWR010 U 1 1 5F015B4E P 8900 4300 F 0 "#PWR010" H 8900 4050 50 0001 C CNN F 1 "GND" H 8905 4127 50 0000 C CNN F 2 "" H 8900 4300 50 0001 C CNN F 3 "" H 8900 4300 50 0001 C CNN 1 8900 4300 -1 0 0 -1 $EndComp Wire Wire Line 7400 5200 7800 5200 Wire Wire Line 7400 5650 7800 5650 Wire Wire Line 7400 6550 7800 6550 Wire Wire Line 7800 6100 7400 6100 $Comp L mgh-symbols:Arduino_Nano_v2.x M1 U 1 1 5F1390F9 P 3300 4200 F 0 "M1" H 3000 5150 50 0000 C CNN F 1 "Arduino Nano v3.0" V 3300 4150 50 0000 C CNN F 2 "Module:Arduino_Nano" H 3300 4200 50 0001 C CIN F 3 "https://www.arduino.cc/en/uploads/Main/ArduinoNanoManual23.pdf" H 3300 4200 50 0001 C CNN 1 3300 4200 -1 0 0 -1 $EndComp $Comp L mgh-symbols:74HC595 U4 U 1 1 5EB51D7E P 6250 1650 F 0 "U4" H 6000 2450 50 0000 C CNN F 1 "74HC595" H 6100 2350 50 0000 C CNN F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 6250 1650 50 0001 C CNN F 3 "http://www.ti.com/lit/ds/symlink/sn74hc595.pdf" H 6250 1650 50 0001 C CNN 1 6250 1650 1 0 0 -1 $EndComp $Comp L mgh-symbols:74HC595 U5 U 1 1 5EB5397B P 6250 4400 F 0 "U5" H 5750 5150 50 0000 C CNN F 1 "74HC595" H 5850 5050 50 0000 C CNN F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 6250 4400 50 0001 C CNN F 3 "http://www.ti.com/lit/ds/symlink/sn74hc595.pdf" H 6250 4400 50 0001 C CNN 1 6250 4400 1 0 0 -1 $EndComp $Comp L mgh-symbols:74HC595 U6 U 1 1 5EB550E1 P 6250 5800 F 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Connection ~ 2850 9800 $Comp L power:GND #PWR03 U 1 1 5FF87689 P 3650 9850 F 0 "#PWR03" H 3650 9600 50 0001 C CNN F 1 "GND" H 3655 9677 50 0000 C CNN F 2 "" H 3650 9850 50 0001 C CNN F 3 "" H 3650 9850 50 0001 C CNN 1 3650 9850 1 0 0 -1 $EndComp NoConn ~ 6650 4900 NoConn ~ 6650 6300 NoConn ~ 6650 2150 NoConn ~ 3200 3200 NoConn ~ 3400 3200 NoConn ~ 2800 3700 NoConn ~ 2800 4000 NoConn ~ 2800 4800 NoConn ~ 2800 4900 NoConn ~ 14100 3150 NoConn ~ 14600 3150 NoConn ~ 3800 3600 NoConn ~ 3800 3700 Wire Wire Line 8900 4150 8600 4150 $Comp L Memory_EEPROM:AT25xxx U3 U 1 1 5EE0EEA1 P 3300 6500 F 0 "U3" H 2800 6950 50 0000 C CNN F 1 "25LC512" H 2950 6850 50 0000 C CNN F 2 "Package_DIP:DIP-8_W7.62mm_Socket" H 3300 6500 50 0001 C CNN F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8707-SEEPROM-AT25010B-020B-040B-Datasheet.pdf" H 3300 6500 50 0001 C CNN 1 3300 6500 1 0 0 -1 $EndComp Wire Wire Line 3800 4700 4000 4700 Wire Wire Line 4000 4700 4000 6500 Wire Wire Line 4000 6500 3700 6500 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Wire Wire Line 3100 9800 3400 9800 Wire Wire Line 7950 9050 7950 9200 Text Label 3950 3900 0 50 ~ 0 DATA Text Label 3950 4000 0 50 ~ 0 ADLO Text Label 3950 4100 0 50 ~ 0 ADHI Text Label 3950 4200 0 50 ~ 0 DATA_LD Text Label 3950 4300 0 50 ~ 0 SCLK $Comp L Device:R R1 U 1 1 5F7445F6 P 2200 4550 F 0 "R1" H 2300 4600 50 0000 L CNN F 1 "330R" V 2200 4450 50 0000 L CNN F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 2130 4550 50 0001 C CNN F 3 "~" H 2200 4550 50 0001 C CNN 1 2200 4550 -1 0 0 1 $EndComp Wire Wire Line 3550 2800 3550 3050 Connection ~ 3550 2800 Wire Wire Line 3550 2600 3550 2800 Wire Wire Line 3800 3800 4300 3800 Text Label 2450 4200 0 50 ~ 0 RUN_LED Wire Wire Line 3550 3050 4300 3050 Wire Wire Line 4300 3050 4300 3800 Text Label 4250 5650 3 50 ~ 0 LD_BTN Text Label 4100 5800 3 50 ~ 0 SS Text Label 4000 5750 3 50 ~ 0 MOSI Text Label 3900 5750 3 50 ~ 0 MISO Text Label 3800 5750 3 50 ~ 0 SCK $Comp L Device:D_Small_ALT D5 U 1 1 5F9EC06A P 8350 9200 F 0 "D5" 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9350 50 0001 L CNN F 2 "MountingHole:MountingHole_2.2mm_M2" H 8300 9550 50 0001 C CNN F 3 "~" H 8300 9550 50 0001 C CNN 1 8300 9550 1 0 0 -1 $EndComp $Comp L Mechanical:MountingHole H3 U 1 1 5EC43E36 P 8600 9550 F 0 "H3" H 8700 9596 50 0000 L CNN F 1 "MountingHole" H 9050 9350 50 0001 L CNN F 2 "MountingHole:MountingHole_2.2mm_M2" H 8600 9550 50 0001 C CNN F 3 "~" H 8600 9550 50 0001 C CNN 1 8600 9550 1 0 0 -1 $EndComp $Comp L Mechanical:MountingHole H4 U 1 1 5EC45DB4 P 8900 9550 F 0 "H4" H 9000 9596 50 0000 L CNN F 1 "MountingHole" H 9550 9350 50 0001 L CNN F 2 "MountingHole:MountingHole_2.2mm_M2" H 8900 9550 50 0001 C CNN F 3 "~" H 8900 9550 50 0001 C CNN 1 8900 9550 1 0 0 -1 $EndComp Text Notes 8250 9800 0 50 ~ 0 Mounting Holes NoConn ~ 2800 3600 Connection ~ 5100 8800 Connection ~ 5100 9800 Text Label 13450 1700 0 50 ~ 0 E_~OE~ Text Label 13450 5200 0 50 ~ 0 E_~CS~ Wire Wire Line 13400 5200 13700 5200 Entry Wire Line 13300 5100 13400 5200 Entry Wire Line 13300 1600 13400 1700 Wire Wire Line 13700 1700 13400 1700 Wire Wire Line 3200 5200 3250 5200 Wire Wire Line 5850 5900 5200 5900 Wire Wire Line 5200 4500 5850 4500 Wire Wire Line 5850 1750 5200 1750 Wire Wire Line 4700 1250 4700 3900 Wire Wire Line 3800 3900 4700 3900 Connection ~ 5200 4500 Wire Wire Line 5850 5600 5000 5600 Wire Wire Line 5000 4200 5850 4200 Wire Wire Line 5000 4200 5000 1450 Wire Wire Line 5000 1450 5850 1450 Connection ~ 5000 4200 Wire Wire Line 5200 1750 5200 4500 Wire Wire Line 5000 4200 5000 4700 $Comp L power:VCC #PWR0101 U 1 1 6002B186 P 5700 1550 F 0 "#PWR0101" H 5700 1400 50 0001 C CNN F 1 "VCC" V 5700 1750 50 0000 C CNN F 2 "" H 5700 1550 50 0001 C CNN F 3 "" H 5700 1550 50 0001 C CNN 1 5700 1550 0 -1 -1 0 $EndComp Wire Wire Line 5850 1550 5700 1550 $Comp L power:VCC #PWR0102 U 1 1 60062895 P 5700 5700 F 0 "#PWR0102" H 5700 5550 50 0001 C CNN F 1 "VCC" V 5700 5900 50 0000 C CNN F 2 "" H 5700 5700 50 0001 C CNN F 3 "" H 5700 5700 50 0001 C CNN 1 5700 5700 0 -1 -1 0 $EndComp Wire Wire Line 5850 5700 5700 5700 $Comp L power:VCC #PWR0103 U 1 1 6009AC51 P 5700 4300 F 0 "#PWR0103" H 5700 4150 50 0001 C CNN F 1 "VCC" V 5700 4500 50 0000 C CNN F 2 "" H 5700 4300 50 0001 C CNN F 3 "" H 5700 4300 50 0001 C CNN 1 5700 4300 0 -1 -1 0 $EndComp Wire Wire Line 5850 4300 5700 4300 Wire Wire Line 5850 6000 5400 6000 Wire Wire Line 5400 4600 5850 4600 Wire Wire Line 5400 4600 5400 2700 Connection ~ 5400 4600 Wire Wire Line 5400 1850 5850 1850 Connection ~ 5400 2700 Wire Wire Line 5400 2700 5400 1850 $Comp L 74xx:74LS00 U1 U 4 1 5ED6D149 P 4000 2700 F 0 "U1" H 4000 3025 50 0000 C CNN F 1 "74HC00" H 4000 2934 50 0000 C CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 4000 2700 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 4000 2700 50 0001 C CNN 4 4000 2700 1 0 0 -1 $EndComp Wire Wire Line 4700 1250 5850 1250 Wire Wire Line 3800 4000 5850 4000 Wire Wire Line 5850 5400 4700 5400 Wire Wire Line 4700 5400 4700 4100 Wire Wire Line 3800 4100 4700 4100 Wire Wire Line 5200 4500 5200 5900 Wire Wire Line 5200 4500 4550 4500 Wire Wire Line 4550 4500 4550 4200 Wire Wire Line 3800 4200 4550 4200 Connection ~ 5000 4700 Wire Wire Line 5000 4700 5000 5600 Connection ~ 3250 5200 Wire Wire Line 3250 5200 3300 5200 $Comp L power:GND #PWR0104 U 1 1 609D0EAB P 10800 3100 F 0 "#PWR0104" H 10800 2850 50 0001 C CNN F 1 "GND" V 10800 2900 50 0000 C CNN F 2 "" H 10800 3100 50 0001 C CNN F 3 "" H 10800 3100 50 0001 C CNN 1 10800 3100 0 -1 1 0 $EndComp Wire Wire Line 8600 3100 8700 3100 $Comp L power:GND #PWR0105 U 1 1 60A411BC P 8700 3100 F 0 "#PWR0105" H 8700 2850 50 0001 C CNN F 1 "GND" V 8700 2900 50 0000 C CNN F 2 "" H 8700 3100 50 0001 C CNN F 3 "" H 8700 3100 50 0001 C CNN 1 8700 3100 0 -1 1 0 $EndComp Wire Wire Line 14300 7750 14300 8000 Wire Wire Line 14300 8450 14300 8400 Wire Wire Line 14300 6650 14300 6600 Wire Wire Line 14300 7050 14300 7400 Wire Wire Line 2250 8800 2500 8800 Wire Wire Line 2250 9800 2500 9800 $Comp L Connector:TestPoint TP1 U 1 1 5EFA61D2 P 2500 8800 F 0 "TP1" H 2600 8950 50 0001 L CNN F 1 "VCC" H 2600 8850 50 0001 L CNN F 2 "TestPoint:TestPoint_THTPad_D1.5mm_Drill0.7mm" H 2700 8800 50 0001 C CNN F 3 "~" H 2700 8800 50 0001 C CNN 1 2500 8800 1 0 0 -1 $EndComp $Comp L Connector:TestPoint TP2 U 1 1 5EFA7C6F P 2500 9800 F 0 "TP2" H 2600 9700 50 0001 R CNN F 1 "GND" H 2650 10050 50 0001 R CNN F 2 "TestPoint:TestPoint_THTPad_D1.5mm_Drill0.7mm" H 2700 9800 50 0001 C CNN F 3 "~" H 2700 9800 50 0001 C CNN 1 2500 9800 -1 0 0 1 $EndComp Connection ~ 2500 9800 Wire Wire Line 2500 9800 2600 9800 Connection ~ 2500 8800 Wire Wire Line 2500 8800 2600 8800 $Comp L Connector:TestPoint TP3 U 1 1 5EFA92B9 P 2600 9800 F 0 "TP3" H 2650 9700 50 0001 R CNN F 1 "GND" H 2650 10050 50 0001 R CNN F 2 "TestPoint:TestPoint_THTPad_D1.5mm_Drill0.7mm" H 2800 9800 50 0001 C CNN F 3 "~" H 2800 9800 50 0001 C CNN 1 2600 9800 -1 0 0 1 $EndComp Connection ~ 2600 9800 Wire Wire Line 2600 9800 2850 9800 Wire Wire Line 4400 4700 5000 4700 Wire Wire Line 3800 4300 4400 4300 Wire Wire Line 4400 4300 4400 4700 Wire Wire Line 5400 6000 5400 4600 Wire Wire Line 3800 4400 4150 4400 Text Label 4200 3800 2 50 ~ 0 EN_RST Wire Wire Line 4300 2700 5400 2700 Text Label 4150 4400 2 50 ~ 0 ~WE~ $Comp L Connector:TestPoint TP4 U 1 1 5F3BA202 P 2600 8800 F 0 "TP4" H 2700 8950 50 0001 L CNN F 1 "VCC" H 2700 8850 50 0001 L CNN F 2 "TestPoint:TestPoint_THTPad_D1.5mm_Drill0.7mm" H 2800 8800 50 0001 C CNN F 3 "~" H 2800 8800 50 0001 C CNN 1 2600 8800 1 0 0 -1 $EndComp Connection ~ 2600 8800 Wire Wire Line 2600 8800 2850 8800 $Comp L Device:C C7 U 1 1 5FFDC459 P 5600 9300 F 0 "C7" H 5650 9500 50 0000 L CNN F 1 "22nF" H 5650 9400 50 0000 L CNN F 2 "Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 5638 9150 50 0001 C CNN F 3 "~" H 5600 9300 50 0001 C CNN 1 5600 9300 1 0 0 -1 $EndComp $Comp L Device:C C2 U 1 1 5FD67446 P 4100 9300 F 0 "C2" H 4150 9500 50 0000 L CNN F 1 "100nF" H 3850 9400 50 0001 L CNN F 2 "Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 4138 9150 50 0001 C CNN F 3 "~" H 4100 9300 50 0001 C CNN 1 4100 9300 1 0 0 -1 $EndComp Wire Wire Line 14650 3250 14650 3050 Wire Wire Line 14650 3050 14600 3050 Connection ~ 14650 3250 Wire Wire Line 14650 3250 14600 3250 Wire Wire Line 14050 3250 14050 3050 Wire Wire Line 14050 3050 14100 3050 Connection ~ 14050 3250 Wire Wire Line 14050 3250 14100 3250 $Comp L Mechanical:MountingHole H5 U 1 1 5F96F8A9 P 9600 9550 F 0 "H5" H 9700 9596 50 0001 L CNN F 1 "MountingHole" H 9700 9505 50 0001 L CNN F 2 "Symbol:OSHW-Logo2_9.8x8mm_SilkScreen" H 9600 9550 50 0001 C CNN F 3 "~" H 9600 9550 50 0001 C CNN 1 9600 9550 1 0 0 -1 $EndComp Wire Bus Line 9400 2850 9400 4700 Wire Bus Line 2350 4400 2350 7750 Wire Bus Line 7300 4700 7300 6450 Wire Bus Line 7300 2850 7300 4700 Wire Bus Line 8850 5400 8850 7750 Wire Bus Line 9050 2300 9050 3900 Wire Bus Line 15150 1200 15150 4550 Wire Bus Line 7200 900 7200 2300 Wire Bus Line 11400 900 11400 3900 Wire Bus Line 13300 1200 13300 5900 $EndSCHEMATC