EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr USLedger 17000 11000 encoding utf-8 Sheet 5 5 Title "Unified Retro Keyboard Apple 2 Encoder" Date "2021-02-01" Rev "2.1" Comp "OSIWeb.org" Comment1 "Main Keyboard Interface" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L Device:C C5 U 1 1 5DD6A5C6 P 10470 9550 F 0 "C5" H 10475 9630 50 0000 L CNN F 1 "0.1 uF" H 10485 9465 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 10508 9400 50 0001 C CNN F 3 "~" H 10470 9550 50 0001 C CNN F 4 "YES" H 10470 9550 50 0001 C CNN "Substitution OK" F 5 "YES" H 10470 9550 50 0001 C CNN "Fitted" F 6 "0.1 uF" H 10470 9550 50 0001 C CNN "Parameters" F 7 "SMT" H 10470 9550 50 0001 C CNN "Mount Style" F 8 "0603" H 10470 9550 50 0001 C CNN "Package" F 9 "C14663" H 10470 9550 50 0001 C CNN "LCSC" 1 10470 9550 1 0 0 -1 $EndComp $Comp L Device:C C6 U 1 1 5DF5B37D P 10870 9550 F 0 "C6" H 10875 9630 50 0000 L CNN F 1 "0.1 uF" H 10885 9465 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 10908 9400 50 0001 C CNN F 3 "~" H 10870 9550 50 0001 C CNN F 4 "YES" H 10870 9550 50 0001 C CNN "Substitution OK" F 5 "YES" H 10870 9550 50 0001 C CNN "Fitted" F 6 "0.1 uF" H 10870 9550 50 0001 C CNN "Parameters" F 7 "SMT" H 10870 9550 50 0001 C CNN "Mount Style" F 8 "0603" H 10870 9550 50 0001 C CNN "Package" F 9 "C14663" H 10870 9550 50 0001 C CNN "LCSC" 1 10870 9550 1 0 0 -1 $EndComp Wire Wire Line 11900 2800 11490 2800 Wire Wire Line 11500 2600 11900 2600 Wire Wire Line 11900 3200 11490 3200 Wire Wire Line 11900 3100 11800 3100 Wire Wire Line 11490 3000 11900 3000 Wire Wire Line 11900 2900 11800 2900 Wire Wire Line 11800 2700 11900 2700 Wire Wire Line 11900 2500 11800 2500 $Comp L Diode:1N4148 D88 U 1 1 5DFACD33 P 11340 3200 F 0 "D88" H 11185 3250 50 0000 C CNN F 1 "1N4148" H 11160 3300 50 0001 C CNN F 2 "Diode_SMD:D_SOT-23_ANK" H 11340 3025 50 0001 C CNN F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 11340 3200 50 0001 C CNN F 4 "YES" H 11340 3200 50 0001 C CNN "Substitution OK" F 5 "YES" H 11340 3200 50 0001 C CNN "Fitted" F 6 "Gen. Purpose Switch, <1.25V forward drop" H 11340 3200 50 0001 C CNN "Parameters" F 7 "SMT" H 11340 3200 50 0001 C CNN "Mount Style" F 8 "SMT: SOT-23-3" H 11340 3200 50 0001 C CNN "Package" F 9 "C118751" H 11340 3200 50 0001 C CNN "LCSC" 1 11340 3200 -1 0 0 1 $EndComp $Comp L Diode:1N4148 D87 U 1 1 5DF9A8E3 P 11340 3000 F 0 "D87" H 11225 2960 50 0000 C CNN F 1 "1N4148" H 11138 3040 50 0001 C CNN F 2 "Diode_SMD:D_SOT-23_ANK" H 11340 2825 50 0001 C CNN F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 11340 3000 50 0001 C CNN F 4 "YES" H 11340 3000 50 0001 C CNN "Substitution OK" F 5 "YES" H 11340 3000 50 0001 C CNN "Fitted" F 6 "Gen. Purpose Switch, <1.25V forward drop" H 11340 3000 50 0001 C CNN "Parameters" F 7 "SMT" H 11340 3000 50 0001 C CNN "Mount Style" F 8 "SMT: SOT-23-3" H 11340 3000 50 0001 C CNN "Package" F 9 "C118751" H 11340 3000 50 0001 C CNN "LCSC" 1 11340 3000 -1 0 0 1 $EndComp $Comp L Diode:1N4148 D86 U 1 1 5DF87A8E P 11340 2800 F 0 "D86" H 11215 2760 50 0000 C CNN F 1 "1N4148" H 11138 2840 50 0001 C CNN F 2 "Diode_SMD:D_SOT-23_ANK" H 11340 2625 50 0001 C CNN F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 11340 2800 50 0001 C CNN F 4 "YES" H 11340 2800 50 0001 C CNN "Substitution OK" F 5 "YES" H 11340 2800 50 0001 C CNN "Fitted" F 6 "Gen. Purpose Switch, <1.25V forward drop" H 11340 2800 50 0001 C CNN "Parameters" F 7 "SMT" H 11340 2800 50 0001 C CNN "Mount Style" F 8 "SMT: SOT-23-3" H 11340 2800 50 0001 C CNN "Package" F 9 "C118751" H 11340 2800 50 0001 C CNN "LCSC" 1 11340 2800 -1 0 0 1 $EndComp $Comp L Diode:1N4148 D93 U 1 1 5DF6B891 P 11650 3100 F 0 "D93" H 11525 3060 50 0000 C CNN F 1 "1N4148" H 11448 3140 50 0001 C CNN F 2 "Diode_SMD:D_SOT-23_ANK" H 11650 2925 50 0001 C CNN F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 11650 3100 50 0001 C CNN F 4 "YES" H 11650 3100 50 0001 C CNN "Substitution OK" F 5 "YES" H 11650 3100 50 0001 C CNN "Fitted" F 6 "Gen. Purpose Switch, <1.25V forward drop" H 11650 3100 50 0001 C CNN "Parameters" F 7 "SMT" H 11650 3100 50 0001 C CNN "Mount Style" F 8 "SMT: SOT-23-3" H 11650 3100 50 0001 C CNN "Package" F 9 "C118751" H 11650 3100 50 0001 C CNN "LCSC" 1 11650 3100 -1 0 0 1 $EndComp $Comp L Diode:1N4148 D92 U 1 1 5DF5903F P 11650 2900 F 0 "D92" H 11525 2860 50 0000 C CNN F 1 "1N4148" H 11448 2940 50 0001 C CNN F 2 "Diode_SMD:D_SOT-23_ANK" H 11650 2725 50 0001 C CNN F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 11650 2900 50 0001 C CNN F 4 "YES" H 11650 2900 50 0001 C CNN "Substitution OK" F 5 "YES" H 11650 2900 50 0001 C CNN "Fitted" F 6 "Gen. Purpose Switch, <1.25V forward drop" H 11650 2900 50 0001 C CNN "Parameters" F 7 "SMT" H 11650 2900 50 0001 C CNN "Mount Style" F 8 "SMT: SOT-23-3" H 11650 2900 50 0001 C CNN "Package" F 9 "C118751" H 11650 2900 50 0001 C CNN "LCSC" 1 11650 2900 -1 0 0 1 $EndComp $Comp L Diode:1N4148 D90 U 1 1 5DF45137 P 11650 2500 F 0 "D90" H 11535 2450 50 0000 C CNN F 1 "1N4148" H 11540 2370 50 0000 C CNN F 2 "Diode_SMD:D_SOT-23_ANK" H 11650 2325 50 0001 C CNN F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 11650 2500 50 0001 C CNN F 4 "YES" H 11650 2500 50 0001 C CNN "Substitution OK" F 5 "YES" H 11650 2500 50 0001 C CNN "Fitted" F 6 "Gen. Purpose Switch, <1.25V forward drop" H 11650 2500 50 0001 C CNN "Parameters" F 7 "SMT" H 11650 2500 50 0001 C CNN "Mount Style" F 8 "SMT: SOT-23-3" H 11650 2500 50 0001 C CNN "Package" F 9 "C118751" H 11650 2500 50 0001 C CNN "LCSC" 1 11650 2500 -1 0 0 1 $EndComp $Comp L Diode:1N4148 D91 U 1 1 5DF31D18 P 11650 2700 F 0 "D91" H 11525 2650 50 0000 C CNN F 1 "1N4148" H 11448 2740 50 0001 C CNN F 2 "Diode_SMD:D_SOT-23_ANK" H 11650 2525 50 0001 C CNN F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 11650 2700 50 0001 C CNN F 4 "YES" H 11650 2700 50 0001 C CNN "Substitution OK" F 5 "YES" H 11650 2700 50 0001 C CNN "Fitted" F 6 "Gen. Purpose Switch, <1.25V forward drop" H 11650 2700 50 0001 C CNN "Parameters" F 7 "SMT" H 11650 2700 50 0001 C CNN "Mount Style" F 8 "SMT: SOT-23-3" H 11650 2700 50 0001 C CNN "Package" F 9 "C118751" H 11650 2700 50 0001 C CNN "LCSC" 1 11650 2700 -1 0 0 1 $EndComp $Comp L Diode:1N4148 D89 U 1 1 5DF29274 P 11350 2600 F 0 "D89" H 11225 2560 50 0000 C CNN F 1 "1N4148" H 11148 2640 50 0001 C CNN F 2 "Diode_SMD:D_SOT-23_ANK" H 11350 2425 50 0001 C CNN F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 11350 2600 50 0001 C CNN F 4 "YES" H 11350 2600 50 0001 C CNN "Substitution OK" F 5 "YES" H 11350 2600 50 0001 C CNN "Fitted" F 6 "Gen. Purpose Switch, <1.25V forward drop" H 11350 2600 50 0001 C CNN "Parameters" F 7 "SMT" H 11350 2600 50 0001 C CNN "Mount Style" F 8 "SMT: SOT-23-3" H 11350 2600 50 0001 C CNN "Package" F 9 "C118751" H 11350 2600 50 0001 C CNN "LCSC" 1 11350 2600 -1 0 0 1 $EndComp $Comp L Switch:SW_DIP_x08 SW1 U 1 1 5DF0476A P 12200 2900 F 0 "SW1" H 12200 3567 50 0000 C CNN F 1 "Options" H 12200 3476 50 0000 C CNN F 2 "unikbd:SW_DIP_SPSTx08_Piano_CTS_Series194-8MSTN_W7.62mm_P2.54mm" H 12200 2900 50 0001 C CNN F 3 "~" H 12200 2900 50 0001 C CNN F 4 "YES" H 12200 2900 50 0001 C CNN "Substitution OK" F 5 "YES" H 12200 2900 50 0001 C CNN "Fitted" F 6 "8-pos DIP switch, piano style" H 12200 2900 50 0001 C CNN "Parameters" F 7 "TH" H 12200 2900 50 0001 C CNN "Mount Style" 1 12200 2900 -1 0 0 -1 $EndComp Text Label 12270 2500 2 50 ~ 0 Row8 $Comp L Device:C C4 U 1 1 5BFE9D13 P 10070 9550 F 0 "C4" H 10075 9630 50 0000 L CNN F 1 "0.1 uF" H 10085 9465 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 10108 9400 50 0001 C CNN F 3 "~" H 10070 9550 50 0001 C CNN F 4 "YES" H 10070 9550 50 0001 C CNN "Substitution OK" F 5 "YES" H 10070 9550 50 0001 C CNN "Fitted" F 6 "0.1 uF" H 10070 9550 50 0001 C CNN "Parameters" F 7 "SMT" H 10070 9550 50 0001 C CNN "Mount Style" F 8 "0603" H 10070 9550 50 0001 C CNN "Package" F 9 "C14663" H 10070 9550 50 0001 C CNN "LCSC" 1 10070 9550 1 0 0 -1 $EndComp $Comp L Device:C C3 U 1 1 5BFE9C80 P 9680 9550 F 0 "C3" H 9685 9630 50 0000 L CNN F 1 "0.1 uF" H 9690 9470 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 9718 9400 50 0001 C CNN F 3 "~" H 9680 9550 50 0001 C CNN F 4 "YES" H 9680 9550 50 0001 C CNN "Substitution OK" F 5 "YES" H 9680 9550 50 0001 C CNN "Fitted" F 6 "0.1 uF" H 9680 9550 50 0001 C CNN "Parameters" F 7 "SMT" H 9680 9550 50 0001 C CNN "Mount Style" F 8 "0603" H 9680 9550 50 0001 C CNN "Package" F 9 "C14663" H 9680 9550 50 0001 C CNN "LCSC" 1 9680 9550 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_01x20 J2 U 1 1 5E5FA80F P 1300 3000 F 0 "J2" H 1218 4117 50 0000 C CNN F 1 "SOL-20" H 1535 2980 50 0000 C CNN F 2 "unikbd:SOL20-header-vertical" H 1300 3000 50 0001 C CNN F 3 "~" H 1300 3000 50 0001 C CNN F 4 "YES" H 1300 3000 50 0001 C CNN "Substitution OK" F 5 "YES" H 1300 3000 50 0001 C CNN "Fitted" F 6 "2x10 0.1\" right angle pin header" H 1300 3000 50 0001 C CNN "Parameters" F 7 "TH" H 1300 3000 50 0001 C CNN "Mount Style" 1 1300 3000 -1 0 0 -1 $EndComp Text Label 1610 2500 0 50 ~ 0 D0 Text Label 1610 2600 0 50 ~ 0 D1 Text Label 1610 2700 0 50 ~ 0 D2 Text Label 1610 2800 0 50 ~ 0 D3 Text Label 1610 3500 0 50 ~ 0 D4 Text Label 1610 3600 0 50 ~ 0 D5 Text Label 1610 3700 0 50 ~ 0 D6 Text Label 1610 3800 0 50 ~ 0 D7 Text Label 1610 2300 0 50 ~ 0 ~STROBE Text Label 1610 3300 0 50 ~ 0 OUT3 Text Label 1610 3400 0 50 ~ 0 OUT1 $Comp L power:GND #PWR0102 U 1 1 5EC5500D P 8300 8800 F 0 "#PWR0102" H 8300 8550 50 0001 C CNN F 1 "GND" H 8305 8627 50 0000 C CNN F 2 "" H 8300 8800 50 0001 C CNN F 3 "" H 8300 8800 50 0001 C CNN 1 8300 8800 1 0 0 -1 $EndComp Wire Wire Line 8100 2000 8100 1600 Wire Wire Line 8400 1600 8200 1600 Connection ~ 8100 1600 Wire Wire Line 8200 2000 8200 1600 Connection ~ 8200 1600 Wire Wire Line 8200 1600 8100 1600 Wire Wire Line 7900 2000 7900 1600 Wire Wire Line 7900 1600 8000 1600 Wire Wire Line 8000 2000 8000 1600 Connection ~ 8000 1600 Wire Wire Line 8000 1600 8100 1600 $Comp L power:GND #PWR0103 U 1 1 5EFF9297 P 4200 3850 F 0 "#PWR0103" H 4200 3600 50 0001 C CNN F 1 "GND" H 4205 3677 50 0000 C CNN F 2 "" H 4200 3850 50 0001 C CNN F 3 "" H 4200 3850 50 0001 C CNN 1 4200 3850 1 0 0 -1 $EndComp Wire Wire Line 3550 2500 4850 2500 Wire Wire Line 4850 2500 4850 1950 Wire Wire Line 3550 2700 4050 2700 Wire Wire Line 7300 2700 5600 2700 Text Label 1710 1300 0 50 ~ 0 OUT3 Text Label 1715 1100 0 50 ~ 0 OUT1 $Comp L Connector_Generic:Conn_01x05 J1 U 1 1 5E83DEBE P 1300 1200 F 0 "J1" H 1218 775 50 0000 C CNN F 1 "Outputs" H 1218 866 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Horizontal" H 1300 1200 50 0001 C CNN F 3 "~" H 1300 1200 50 0001 C CNN F 4 "YES" H 1300 1200 50 0001 C CNN "Substitution OK" F 5 "NO" H 1300 1200 50 0001 C CNN "Fitted" F 6 "1x5 0.1\" right angle header" H 1300 1200 50 0001 C CNN "Parameters" F 7 "TH" H 1300 1200 50 0001 C CNN "Mount Style" 1 1300 1200 -1 0 0 1 $EndComp Text Label 1715 1200 0 50 ~ 0 OUT2 Wire Wire Line 1500 2100 2000 2100 Wire Wire Line 2000 2100 2000 3000 $Comp L power:GND #PWR0104 U 1 1 5F8830B3 P 2000 4200 F 0 "#PWR0104" H 2000 3950 50 0001 C CNN F 1 "GND" H 2005 4027 50 0000 C CNN F 2 "" H 2000 4200 50 0001 C CNN F 3 "" H 2000 4200 50 0001 C CNN 1 2000 4200 1 0 0 -1 $EndComp Wire Wire Line 1500 4000 2000 4000 Connection ~ 2000 4000 Wire Wire Line 2000 4000 2000 4200 Wire Wire Line 1500 3000 2000 3000 Connection ~ 2000 3000 Wire Wire Line 2000 3000 2000 3100 Wire Wire Line 2000 3100 1500 3100 Connection ~ 2000 3100 Wire Wire Line 2000 3100 2000 4000 Wire Wire Line 1500 3900 2200 3900 Wire Wire Line 2200 3900 2200 3200 Wire Wire Line 1500 2900 2200 2900 Connection ~ 2200 2900 Wire Wire Line 2200 2900 2200 2200 Wire Wire Line 1500 2200 2200 2200 Connection ~ 2200 2200 Wire Wire Line 2200 2200 2200 2000 Wire Wire Line 1500 3200 2200 3200 Connection ~ 2200 3200 Wire Wire Line 2200 3200 2200 2900 Wire Wire Line 1500 2300 2400 2300 Wire Wire Line 1500 2400 2400 2400 Text Label 1600 2400 0 50 ~ 0 OUT2 Wire Wire Line 1500 1000 2200 1000 Wire Wire Line 2200 1000 2200 800 Wire Wire Line 1500 1400 2000 1400 Wire Wire Line 2000 1400 2000 1500 $Comp L power:GND #PWR0105 U 1 1 5F9FA5EE P 2000 1500 F 0 "#PWR0105" H 2000 1250 50 0001 C CNN F 1 "GND" H 2005 1327 50 0000 C CNN F 2 "" H 2000 1500 50 0001 C CNN F 3 "" H 2000 1500 50 0001 C CNN 1 2000 1500 1 0 0 -1 $EndComp Wire Wire Line 2400 1100 1500 1100 Wire Wire Line 2400 1200 1500 1200 Wire Wire Line 2400 1300 1500 1300 Wire Wire Line 2400 2500 1500 2500 Wire Wire Line 2400 2600 1500 2600 Wire Wire Line 2400 2700 1500 2700 Wire Wire Line 2400 3300 1500 3300 Wire Wire Line 2400 3400 1500 3400 Wire Wire Line 2400 3500 1500 3500 Wire Wire Line 2400 3600 1500 3600 Wire Wire Line 2400 3700 1500 3700 Wire Wire Line 2400 3800 1500 3800 Wire Wire Line 2400 2800 1500 2800 $Comp L Device:R_US R7 U 1 1 5E9E37FE P 5600 1700 F 0 "R7" H 5668 1746 50 0000 L CNN F 1 "10k" H 5668 1655 50 0000 L CNN F 2 "Resistor_SMD:R_0603_1608Metric" V 5640 1690 50 0001 C CNN F 3 "https://industrial.panasonic.com/cdbs/www-data/pdf/RDA0000/DMA0000COL9.pdf" H 5600 1700 50 0001 C CNN F 4 "Panasonic" H 5600 1700 50 0001 C CNN "Manufacturer" F 5 "ERJ-3EKF1002V" H 5600 1700 50 0001 C CNN "Part No." F 6 "YES" H 5600 1700 50 0001 C CNN "Substitution OK" F 7 "YES" H 5600 1700 50 0001 C CNN "Fitted" F 8 "10k, 1%" H 5600 1700 50 0001 C CNN "Parameters" F 9 "SMT" H 5600 1700 50 0001 C CNN "Mount Style" F 10 "0603" H 5600 1700 50 0001 C CNN "Package" F 11 "C98220" H 5600 1700 50 0001 C CNN "LCSC" 1 5600 1700 1 0 0 -1 $EndComp Wire Wire Line 5600 1850 5600 2700 $Comp L Device:Crystal Y1 U 1 1 5EA2E720 P 6350 1950 F 0 "Y1" H 6350 1682 50 0000 C CNN F 1 "16.000 MHz" H 6350 1773 50 0000 C CNN F 2 "Crystal:Crystal_SMD_HC49-SD" H 6350 1950 50 0001 C CNN F 3 "https://abracon.com/Resonators/ABLS2.pdf" H 6350 1950 50 0001 C CNN F 4 "YES" H 6350 1950 50 0001 C CNN "Substitution OK" F 5 "YES" H 6350 1950 50 0001 C CNN "Fitted" F 6 "16.000 MHz, parallel resonant" H 6350 1950 50 0001 C CNN "Parameters" F 7 "ABRACON" H 6350 1950 50 0001 C CNN "Manufacturer" F 8 "SMT" H 6350 1950 50 0001 C CNN "Mount Style" F 9 "HC-49/US" H 6350 1950 50 0001 C CNN "Package" F 10 "ABLS2-16.000MHz-B1U-T" H 6350 1950 50 0001 C CNN "Part No." F 11 "C326544" H 6350 1950 50 0001 C CNN "LCSC" 1 6350 1950 -1 0 0 1 $EndComp $Comp L Device:C C1 U 1 1 5EA513C7 P 6050 2200 F 0 "C1" H 6165 2246 50 0000 L CNN F 1 "36pf" H 6165 2155 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 6088 2050 50 0001 C CNN F 3 "~" H 6050 2200 50 0001 C CNN F 4 "YES" H 6050 2200 50 0001 C CNN "Substitution OK" F 5 "YES" H 6050 2200 50 0001 C CNN "Fitted" F 6 "36pf" H 6050 2200 50 0001 C CNN "Parameters" F 7 "" H 6050 2200 50 0001 C CNN "hello" F 8 "SMT" H 6050 2200 50 0001 C CNN "Mount Style" F 9 "0603" H 6050 2200 50 0001 C CNN "Package" F 10 "C134070" H 6050 2200 50 0001 C CNN "LCSC" 1 6050 2200 1 0 0 -1 $EndComp $Comp L Device:C C2 U 1 1 5EA526AF P 6650 2200 F 0 "C2" H 6765 2246 50 0000 L CNN F 1 "36pf" H 6765 2155 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 6688 2050 50 0001 C CNN F 3 "~" H 6650 2200 50 0001 C CNN F 4 "YES" H 6650 2200 50 0001 C CNN "Substitution OK" F 5 "YES" H 6650 2200 50 0001 C CNN "Fitted" F 6 "36pf" H 6650 2200 50 0001 C CNN "Parameters" F 7 "" H 6650 2200 50 0001 C CNN "hello" F 8 "SMT" H 6650 2200 50 0001 C CNN "Mount Style" F 9 "0603" H 6650 2200 50 0001 C CNN "Package" F 10 "C134070" H 6650 2200 50 0001 C CNN "LCSC" 1 6650 2200 1 0 0 -1 $EndComp $Comp L power:GND #PWR0106 U 1 1 5EA55577 P 6050 2350 F 0 "#PWR0106" H 6050 2100 50 0001 C CNN F 1 "GND" H 6055 2177 50 0000 C CNN F 2 "" H 6050 2350 50 0001 C CNN F 3 "" H 6050 2350 50 0001 C CNN 1 6050 2350 1 0 0 -1 $EndComp Wire Wire Line 7300 2300 7300 1550 Wire Wire Line 7300 1550 6050 1550 Wire Wire Line 6050 1550 6050 1950 Wire Wire Line 6650 2050 6650 1950 Wire Wire Line 6650 1950 7200 1950 Wire Wire Line 7200 2500 7300 2500 Wire Wire Line 6500 1950 6650 1950 Connection ~ 6650 1950 Wire Wire Line 6200 1950 6050 1950 Connection ~ 6050 1950 Wire Wire Line 6050 1950 6050 2050 Wire Wire Line 7200 1950 7200 2500 Text Label 10500 3100 2 50 ~ 0 Col6 Text Label 10500 3000 2 50 ~ 0 Col5 Text Label 10500 2900 2 50 ~ 0 Col4 Text Label 10500 2800 2 50 ~ 0 Col3 Text Label 10500 2700 2 50 ~ 0 Col2 Text Label 10500 2600 2 50 ~ 0 Col1 Text Label 10500 2500 2 50 ~ 0 Col0 Text Label 10500 3200 2 50 ~ 0 Col7 Wire Wire Line 9200 3500 8900 3500 Wire Wire Line 8900 3600 9200 3600 Wire Wire Line 9200 3700 8900 3700 Wire Wire Line 8900 3800 9200 3800 Wire Wire Line 9200 3900 8900 3900 Wire Wire Line 8900 4000 9200 4000 Wire Wire Line 9200 4100 8900 4100 Wire Wire Line 8900 4200 9200 4200 Wire Wire Line 8900 4600 9200 4600 Wire Wire Line 9200 4700 8900 4700 Wire Wire Line 8900 4800 9200 4800 Wire Wire Line 9200 4900 8900 4900 Wire Wire Line 8900 5000 9200 5000 Wire Wire Line 9200 5100 8900 5100 Wire Wire Line 8900 5200 9200 5200 Wire Wire Line 8300 8800 8300 8700 Wire Wire Line 8200 8400 8200 8700 Wire Wire Line 8200 8700 8100 8700 Connection ~ 8100 8700 Wire Wire Line 8100 8700 8100 8400 Wire Wire Line 8100 8700 8000 8700 Wire Wire Line 8000 8700 8000 8400 Wire Wire Line 7900 8400 7900 8700 Wire Wire Line 7900 8700 8000 8700 Connection ~ 8000 8700 Wire Wire Line 8200 8700 8300 8700 Wire Wire Line 8300 8700 8300 8400 Connection ~ 8200 8700 Connection ~ 8300 8700 Wire Wire Line 8400 1600 8400 1500 Entry Wire Line 2400 2300 2500 2400 Entry Wire Line 2400 2400 2500 2500 Entry Wire Line 2400 2500 2500 2600 Entry Wire Line 2400 2600 2500 2700 Entry Wire Line 2400 2700 2500 2800 Entry Wire Line 2400 2800 2500 2900 Entry Wire Line 2400 1100 2500 1200 Entry Wire Line 2400 1200 2500 1300 Entry Wire Line 2400 1300 2500 1400 Entry Wire Line 2400 3300 2500 3400 Entry Wire Line 2400 3400 2500 3500 Entry Wire Line 2400 3500 2500 3600 Entry Wire Line 2400 3600 2500 3700 Entry Wire Line 2400 3700 2500 3800 Entry Wire Line 2400 3800 2500 3900 Entry Wire Line 6000 7000 6100 7100 Entry Wire Line 6000 7200 6100 7300 Entry Wire Line 6000 7300 6100 7400 Entry Wire Line 6000 7400 6100 7500 Entry Wire Line 6000 7500 6100 7600 Entry Wire Line 6000 7600 6100 7700 Entry Wire Line 6000 7700 6100 7800 Entry Wire Line 6000 7100 6100 7200 Wire Wire Line 6100 7800 7300 7800 Wire Wire Line 7300 7700 6100 7700 Wire Wire Line 6100 7600 7300 7600 Wire Wire Line 7300 7500 6100 7500 Wire Wire Line 6100 7400 7300 7400 Wire Wire Line 7300 7300 6100 7300 Wire Wire Line 6100 7200 7300 7200 Wire Wire Line 7300 7100 6100 7100 Wire Bus Line 6000 4600 2500 4600 Text Label 6400 7100 0 50 ~ 0 D0 Text Label 6400 7200 0 50 ~ 0 D1 Text Label 6400 7300 0 50 ~ 0 D2 Text Label 6400 7400 0 50 ~ 0 D3 Text Label 6400 7500 0 50 ~ 0 D4 Text Label 6400 7600 0 50 ~ 0 D5 Text Label 6400 7700 0 50 ~ 0 D6 Text Label 6400 7800 0 50 ~ 0 D7 Wire Wire Line 9190 7900 8900 7900 Wire Wire Line 8900 7800 9190 7800 Wire Wire Line 9190 7700 8900 7700 Entry Wire Line 6000 5400 6100 5300 Entry Wire Line 6000 5500 6100 5400 Entry Wire Line 6000 5600 6100 5500 Entry Wire Line 6000 5700 6100 5600 Wire Wire Line 6100 5300 7300 5300 Wire Wire Line 7300 5400 6100 5400 Wire Wire Line 6100 5500 7300 5500 Wire Wire Line 6100 5600 7300 5600 Text Label 6400 5300 0 50 ~ 0 ~STROBE Text Label 6400 5400 0 50 ~ 0 OUT1 Text Label 6400 5500 0 50 ~ 0 OUT2 Text Label 6400 5600 0 50 ~ 0 OUT3 Wire Wire Line 12500 2500 12700 2500 Wire Wire Line 12700 2500 12700 2600 Wire Wire Line 12500 3200 12700 3200 Wire Wire Line 12500 3100 12700 3100 Connection ~ 12700 3100 Wire Wire Line 12700 3100 12700 3200 Wire Wire Line 12500 3000 12700 3000 Connection ~ 12700 3000 Wire Wire Line 12700 3000 12700 3100 Wire Wire Line 12500 2900 12700 2900 Connection ~ 12700 2900 Wire Wire Line 12700 2900 12700 3000 Wire Wire Line 12500 2800 12700 2800 Connection ~ 12700 2800 Wire Wire Line 12700 2800 12700 2900 Wire Wire Line 12500 2700 12700 2700 Connection ~ 12700 2700 Wire Wire Line 12700 2700 12700 2800 Wire Wire Line 12500 2600 12700 2600 Connection ~ 12700 2600 Wire Wire Line 12700 2600 12700 2700 NoConn ~ 8900 5500 NoConn ~ 8900 5600 NoConn ~ 8900 5700 NoConn ~ 8900 5800 NoConn ~ 8900 5900 NoConn ~ 8900 6000 NoConn ~ 8900 6100 NoConn ~ 8900 6200 NoConn ~ 8900 6500 NoConn ~ 8900 6600 NoConn ~ 8900 6700 NoConn ~ 8900 6800 NoConn ~ 8900 6900 NoConn ~ 8900 7000 NoConn ~ 8900 7200 NoConn ~ 8900 7300 NoConn ~ 8900 7400 NoConn ~ 8900 7500 NoConn ~ 8900 7600 NoConn ~ 7300 6600 NoConn ~ 7300 6500 NoConn ~ 7300 6400 NoConn ~ 7300 6300 NoConn ~ 7300 6200 NoConn ~ 7300 6100 NoConn ~ 7300 4900 NoConn ~ 7300 4700 NoConn ~ 7300 4600 NoConn ~ 7300 4500 NoConn ~ 7300 4400 NoConn ~ 7300 4300 NoConn ~ 7300 4200 NoConn ~ 7300 4100 NoConn ~ 7300 4000 $Comp L unikbd:ATmega2560-16AU U1 U 1 1 5EC4527C P 8100 4900 F 0 "U1" H 7500 7800 50 0000 C CNN F 1 "ATmega2560-16AU" H 8100 5100 50 0000 C CNN F 2 "Package_QFP:TQFP-100_14x14mm_P0.5mm" H 8100 4600 50 0001 C CIN F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-2549-8-bit-AVR-Microcontroller-ATmega640-1280-1281-2560-2561_datasheet.pdf" H 8100 4900 50 0001 C CNN F 4 "YES" H 8100 4900 50 0001 C CNN "Substitution OK" F 5 "YES" H 8100 4900 50 0001 C CNN "Fitted" F 6 "ATmega2560-16AU" H 8100 4900 50 0001 C CNN "Parameters" F 7 "SMT" H 8100 4900 50 0001 C CNN "Mount Style" F 8 "TQFP-100 " H 8100 4900 50 0001 C CNN "Package" F 9 "C22460" H 8100 4900 50 0001 C CNN "LCSC" 1 8100 4900 1 0 0 -1 $EndComp NoConn ~ 7300 2900 NoConn ~ 7300 3100 $Comp L power:GND #PWR0107 U 1 1 5F52426A P 6650 2350 F 0 "#PWR0107" H 6650 2100 50 0001 C CNN F 1 "GND" H 6655 2177 50 0000 C CNN F 2 "" H 6650 2350 50 0001 C CNN F 3 "" H 6650 2350 50 0001 C CNN 1 6650 2350 1 0 0 -1 $EndComp Wire Wire Line 8400 2000 8400 1600 Connection ~ 8400 1600 Wire Wire Line 9620 9200 9620 9100 Wire Wire Line 9610 9900 9610 10000 $Comp L power:GND #PWR0108 U 1 1 5F67BB8A P 9610 10000 F 0 "#PWR0108" H 9610 9750 50 0001 C CNN F 1 "GND" H 9615 9827 50 0000 C CNN F 2 "" H 9610 10000 50 0001 C CNN F 3 "" H 9610 10000 50 0001 C CNN 1 9610 10000 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0109 U 1 1 5F67CB37 P 9620 9100 F 0 "#PWR0109" H 9620 8950 50 0001 C CNN F 1 "VCC" H 9637 9273 50 0000 C CNN F 2 "" H 9620 9100 50 0001 C CNN F 3 "" H 9620 9100 50 0001 C CNN 1 9620 9100 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0110 U 1 1 5F6991B1 P 2200 800 F 0 "#PWR0110" H 2200 650 50 0001 C CNN F 1 "VCC" H 2217 973 50 0000 C CNN F 2 "" H 2200 800 50 0001 C CNN F 3 "" H 2200 800 50 0001 C CNN 1 2200 800 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0111 U 1 1 5F6B5112 P 8400 1500 F 0 "#PWR0111" H 8400 1350 50 0001 C CNN F 1 "VCC" H 8417 1673 50 0000 C CNN F 2 "" H 8400 1500 50 0001 C CNN F 3 "" H 8400 1500 50 0001 C CNN 1 8400 1500 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0112 U 1 1 5EA2D073 P 5600 1550 F 0 "#PWR0112" H 5600 1400 50 0001 C CNN F 1 "VCC" H 5615 1723 50 0000 C CNN F 2 "" H 5600 1550 50 0001 C CNN F 3 "" H 5600 1550 50 0001 C CNN 1 5600 1550 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0113 U 1 1 5F70BC32 P 2200 2000 F 0 "#PWR0113" H 2200 1850 50 0001 C CNN F 1 "VCC" H 2217 2173 50 0000 C CNN F 2 "" H 2200 2000 50 0001 C CNN F 3 "" H 2200 2000 50 0001 C CNN 1 2200 2000 1 0 0 -1 $EndComp Wire Wire Line 9680 9400 9680 9200 Wire Wire Line 10070 9400 10070 9200 Wire Wire Line 10470 9400 10470 9200 Wire Wire Line 10870 9400 10870 9200 Wire Wire Line 10870 9700 10870 9900 Wire Wire Line 10470 9700 10470 9900 Wire Wire Line 10070 9900 10070 9700 Wire Wire Line 9680 9700 9680 9900 $Comp L power:PWR_FLAG #FLG0101 U 1 1 5F848CA1 P 11500 9200 F 0 "#FLG0101" H 11500 9275 50 0001 C CNN F 1 "PWR_FLAG" H 11500 9373 50 0000 C CNN F 2 "" H 11500 9200 50 0001 C CNN F 3 "~" H 11500 9200 50 0001 C CNN 1 11500 9200 1 0 0 -1 $EndComp $Comp L power:PWR_FLAG #FLG0102 U 1 1 5F84A535 P 11500 9900 F 0 "#FLG0102" H 11500 9975 50 0001 C CNN F 1 "PWR_FLAG" H 11500 10073 50 0000 C CNN F 2 "" H 11500 9900 50 0001 C CNN F 3 "~" H 11500 9900 50 0001 C CNN 1 11500 9900 -1 0 0 1 $EndComp $Comp L power:VCC #PWR0114 U 1 1 5F86A206 P 4850 1950 F 0 "#PWR0114" H 4850 1800 50 0001 C CNN F 1 "VCC" H 4867 2123 50 0000 C CNN F 2 "" H 4850 1950 50 0001 C CNN F 3 "" H 4850 1950 50 0001 C CNN 1 4850 1950 1 0 0 -1 $EndComp Wire Wire Line 3550 2300 4200 2300 Wire Wire Line 3550 3100 4200 3100 Connection ~ 4200 3100 Wire Wire Line 4200 3100 4200 3700 Wire Wire Line 4200 2300 4200 3100 Wire Wire Line 3550 2200 4600 2200 Wire Wire Line 4600 2200 4600 2800 Wire Wire Line 4600 2800 5850 2800 Wire Wire Line 5800 2900 4500 2900 Wire Wire Line 4500 2900 4500 2600 Wire Wire Line 4500 2600 3550 2600 Wire Wire Line 5750 3000 4400 3000 Wire Wire Line 4400 3000 4400 2400 Wire Wire Line 4400 2400 3550 2400 Wire Wire Line 5700 3100 4300 3100 Wire Wire Line 4300 3100 4300 3000 Wire Wire Line 4300 3000 3550 3000 Text Label 3700 2200 0 50 ~ 0 TCK Text Label 3700 2400 0 50 ~ 0 TDO Text Label 3700 2600 0 50 ~ 0 TMS Text Label 3700 2700 0 50 ~ 0 ~RESET Text Label 3700 3000 0 50 ~ 0 TDI NoConn ~ 3550 2800 NoConn ~ 3550 2900 NoConn ~ 7300 3200 NoConn ~ 7300 3300 NoConn ~ 7300 3400 $Comp L Connector_Generic:Conn_01x16 J3 U 1 1 5ED55F89 P 3350 2900 F 0 "J3" H 3268 3817 50 0000 C CNN F 1 "Programming" H 3268 3726 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Horizontal" H 3350 2900 50 0001 C CNN F 3 "~" H 3350 2900 50 0001 C CNN F 4 "YES" H 3350 2900 50 0001 C CNN "Substitution OK" F 5 "YES" H 3350 2900 50 0001 C CNN "Fitted" F 6 "2x8 0.1\" right angle header" H 3350 2900 50 0001 C CNN "Parameters" F 7 "TH" H 3350 2900 50 0001 C CNN "Mount Style" 1 3350 2900 -1 0 0 -1 $EndComp Connection ~ 5600 2700 Wire Wire Line 5700 3100 5700 3800 Wire Wire Line 5700 3800 7300 3800 Wire Wire Line 5750 3000 5750 3700 Wire Wire Line 5750 3700 7300 3700 Wire Wire Line 7300 3600 5800 3600 Wire Wire Line 5800 3600 5800 2900 Wire Wire Line 5850 2800 5850 3500 Wire Wire Line 5850 3500 7300 3500 Wire Wire Line 3550 3200 5500 3200 Wire Wire Line 5500 3200 5500 4000 Wire Wire Line 5500 4000 6250 4000 Wire Wire Line 6250 4000 6250 5200 Wire Wire Line 6250 5200 7300 5200 Wire Wire Line 5200 3500 5200 4100 Wire Wire Line 5200 4100 6150 4100 Wire Wire Line 6150 4100 6150 5100 Wire Wire Line 6150 5100 7300 5100 Wire Wire Line 5200 3500 3550 3500 Wire Wire Line 3550 3300 4850 3300 Wire Wire Line 4850 3300 4850 2500 Connection ~ 4850 2500 Wire Wire Line 3550 3700 4200 3700 Connection ~ 4200 3700 Wire Wire Line 4200 3700 4200 3850 Wire Wire Line 3550 3600 4050 3600 Wire Wire Line 4050 3600 4050 2700 Connection ~ 4050 2700 Wire Wire Line 4050 2700 5600 2700 Wire Wire Line 3550 3400 5350 3400 Wire Wire Line 5350 3400 5350 4050 Wire Wire Line 5350 4050 6200 4050 Wire Wire Line 6200 4050 6200 5000 Wire Wire Line 6200 5000 7300 5000 Text Label 3700 3400 0 50 ~ 0 SCK Text Label 3700 3200 0 50 ~ 0 MISO Text Label 3700 3500 0 50 ~ 0 MOSI Text Notes 3395 9280 0 50 ~ 0 SOL-20:\n/RESET (PIN 13) = OUT3\nBREAK (PIN 4) = OUT2 \nLOCAL (PIN 14) = OUT1\n\n\nApple 1:\nD7 on socket is tied high\n/RESET = OUT3\nCLRSCR = OUT1\n\nApple 2:\n/RESET = OUT3\n\n Wire Notes Line style solid 3215 3175 3040 3175 Wire Notes Line style solid 3040 3175 3040 3725 Wire Notes Line style solid 3215 3725 3040 3725 Wire Notes Line style solid 3215 2200 3040 2200 Wire Notes Line style solid 3215 3100 3040 3100 Wire Notes Line style solid 3040 3100 3040 2200 Text Notes 3065 2715 0 50 ~ 0 JTAG Text Notes 3065 3455 0 50 ~ 0 ISP Wire Wire Line 8900 2700 9600 2700 Wire Wire Line 8900 2800 9700 2800 Wire Wire Line 8900 2900 9800 2900 Wire Wire Line 8900 3000 9900 3000 Wire Wire Line 8900 3100 10000 3100 Wire Wire Line 8900 3200 10100 3200 Text HLabel 9200 3500 2 50 Output ~ 0 Row0 Text HLabel 9200 3600 2 50 Output ~ 0 Row1 Text HLabel 9200 3700 2 50 Output ~ 0 Row2 Text HLabel 9200 3800 2 50 Output ~ 0 Row3 Text HLabel 9200 3900 2 50 Output ~ 0 Row4 Text HLabel 9200 4000 2 50 Output ~ 0 Row5 Text HLabel 9200 4100 2 50 Output ~ 0 Row6 Text HLabel 9200 4200 2 50 Output ~ 0 Row7 Text HLabel 9200 4600 2 50 Output ~ 0 Row9 Text HLabel 9200 4700 2 50 Output ~ 0 Row10 Text HLabel 9200 4800 2 50 Output ~ 0 Row11 Text HLabel 9200 4900 2 50 Output ~ 0 Row12 Text HLabel 9200 5000 2 50 Output ~ 0 Row13 Text HLabel 9200 5100 2 50 Output ~ 0 Row14 Text HLabel 9200 5200 2 50 Output ~ 0 Row15 Text HLabel 9190 7700 2 50 Output ~ 0 LED1 Text HLabel 9190 7800 2 50 Output ~ 0 LED2 Text HLabel 9190 7900 2 50 Output ~ 0 LED3 Wire Wire Line 8900 2600 9500 2600 Wire Wire Line 8900 2500 9400 2500 Wire Wire Line 10100 3200 10100 2000 Wire Wire Line 10100 2000 10500 2000 Connection ~ 10100 3200 Wire Wire Line 10100 3200 11190 3200 Wire Wire Line 10000 3100 10000 1900 Wire Wire Line 10000 1900 10500 1900 Connection ~ 10000 3100 Wire Wire Line 10000 3100 11500 3100 Wire Wire Line 10500 1800 9900 1800 Wire Wire Line 9900 1800 9900 3000 Connection ~ 9900 3000 Wire Wire Line 9900 3000 11190 3000 Wire Wire Line 9800 2900 9800 1700 Wire Wire Line 9800 1700 10500 1700 Connection ~ 9800 2900 Wire Wire Line 9800 2900 11500 2900 Wire Wire Line 10500 1600 9700 1600 Wire Wire Line 9700 1600 9700 2800 Connection ~ 9700 2800 Wire Wire Line 9700 2800 11190 2800 Wire Wire Line 9600 2700 9600 1500 Wire Wire Line 9600 1500 10500 1500 Connection ~ 9600 2700 Wire Wire Line 9600 2700 11500 2700 Wire Wire Line 10500 1400 9500 1400 Wire Wire Line 9500 1400 9500 2600 Connection ~ 9500 2600 Wire Wire Line 9500 2600 11200 2600 Wire Wire Line 9400 2500 9400 1300 Wire Wire Line 9400 1300 10500 1300 Connection ~ 9400 2500 Wire Wire Line 9400 2500 11500 2500 Text HLabel 10500 1300 2 50 Input ~ 0 Col0 Text HLabel 10500 1400 2 50 Input ~ 0 Col1 Text HLabel 10500 1500 2 50 Input ~ 0 Col2 Text HLabel 10500 1600 2 50 Input ~ 0 Col3 Text HLabel 10500 1700 2 50 Input ~ 0 Col4 Text HLabel 10500 1800 2 50 Input ~ 0 Col5 Text HLabel 10500 1900 2 50 Input ~ 0 Col6 Text HLabel 10500 2000 2 50 Input ~ 0 Col7 Wire Wire Line 12700 4500 12700 3200 Wire Wire Line 8900 4500 12700 4500 Connection ~ 12700 3200 Text Label 9400 4500 2 50 ~ 0 Row8 NoConn ~ 7300 5900 NoConn ~ 7300 6000 $Comp L Device:C C7 U 1 1 60086D26 P 11240 9550 F 0 "C7" H 11245 9630 50 0000 L CNN F 1 "0.1 uF" H 11250 9470 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 11278 9400 50 0001 C CNN F 3 "~" H 11240 9550 50 0001 C CNN F 4 "YES" H 11240 9550 50 0001 C CNN "Substitution OK" F 5 "YES" H 11240 9550 50 0001 C CNN "Fitted" F 6 "0.1 uF" H 11240 9550 50 0001 C CNN "Parameters" F 7 "SMT" H 11240 9550 50 0001 C CNN "Mount Style" F 8 "0603" H 11240 9550 50 0001 C CNN "Package" F 9 "C14663" H 11240 9550 50 0001 C CNN "LCSC" 1 11240 9550 1 0 0 -1 $EndComp Wire Wire Line 11240 9400 11240 9200 Wire Wire Line 11240 9700 11240 9900 Connection ~ 9680 9200 Wire Wire Line 9680 9200 9620 9200 Connection ~ 9680 9900 Wire Wire Line 9680 9900 9610 9900 Wire Wire Line 9680 9200 10070 9200 Wire Wire Line 9680 9900 10070 9900 Connection ~ 11240 9200 Wire Wire Line 11240 9200 11500 9200 Connection ~ 11240 9900 Wire Wire Line 11240 9900 11500 9900 Connection ~ 10070 9200 Wire Wire Line 10070 9200 10470 9200 Connection ~ 10070 9900 Wire Wire Line 10070 9900 10470 9900 Connection ~ 10470 9200 Wire Wire Line 10470 9200 10870 9200 Connection ~ 10470 9900 Wire Wire Line 10470 9900 10870 9900 Connection ~ 10870 9200 Wire Wire Line 10870 9200 11240 9200 Connection ~ 10870 9900 Wire Wire Line 10870 9900 11240 9900 Wire Bus Line 2500 1200 2500 4600 Wire Bus Line 6000 4600 6000 7700 $EndSCHEMATC