Apple-2-HW/unified_retro_keyboard
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9550331adf
unified_retro_keyboard/hardware/interface-ascii/interface-ascii.sch
David Fenyes 9550331adf PCB cleanups 
- swap numbering of row select protection diodes for cleaner PCB labeling
- clarify labeling on GPIO pins on the MCU
- bump rev to 2.4 to indicate work in progress. Release will be 2.5.
2020-02-28 03:31:48 -06:00

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 1 1
Title "ASCII Interface for Unified Retro Keyboard"
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Rev "2.4"
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1 0 0 -1
$EndComp
Wire Wire Line
3900 4250 5735 4250
Wire Wire Line
5735 4250 5735 3830
Wire Wire Line
5735 3830 5950 3830
Wire Wire Line
5950 3930 5785 3930
Wire Wire Line
5785 3930 5785 4350
Wire Wire Line
5785 4350 3900 4350
Wire Wire Line
5950 4030 5840 4030
Wire Wire Line
5840 4030 5840 4450
Wire Wire Line
5840 4450 3900 4450
Wire Wire Line
3900 4550 5885 4550
$Comp
L power:GND #PWR017
U 1 1 5DE8F508
P 6445 4845
F 0 "#PWR017" H 6445 4595 50 0001 C CNN
F 1 "GND" H 6305 4800 50 0000 C CNN
F 2 "" H 6445 4845 50 0001 C CNN
F 3 "" H 6445 4845 50 0001 C CNN
1 6445 4845
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR019
U 1 1 5DE8FEDD
P 6460 5070
F 0 "#PWR019" H 6460 4920 50 0001 C CNN
F 1 "+5V" H 6550 5125 50 0000 C CNN
F 2 "" H 6460 5070 50 0001 C CNN
F 3 "" H 6460 5070 50 0001 C CNN
1 6460 5070
1 0 0 -1
$EndComp
Wire Wire Line
6445 4845 6450 4845
Wire Wire Line
6450 4845 6450 4830
Connection ~ 5840 4450
Wire Wire Line
5785 5470 5785 4355
Connection ~ 5735 4250
Wire Wire Line
5860 6070 5960 6070
Wire Wire Line
5860 6070 5860 5970
Wire Wire Line
5860 5970 5960 5970
Connection ~ 5860 6070
Wire Wire Line
5885 4430 5885 4550
Wire Wire Line
5885 5870 5960 5870
Connection ~ 5885 4550
Wire Wire Line
5885 4550 5885 5870
Wire Wire Line
5885 4430 5950 4430
Wire Wire Line
5950 4530 5950 4845
Wire Wire Line
5950 4845 6445 4845
Connection ~ 6445 4845
Wire Wire Line
5950 4330 5915 4330
Wire Wire Line
5915 4330 5915 3475
Wire Wire Line
5915 3475 6450 3475
Wire Wire Line
6450 3475 6450 3395
Wire Wire Line
6450 3475 6450 3530
Connection ~ 6450 3475
Wire Wire Line
5840 5570 5960 5570
Wire Wire Line
5840 4450 5840 5570
Wire Wire Line
5785 5470 5960 5470
Wire Wire Line
5960 5370 5735 5370
Wire Wire Line
5735 4250 5735 5370
Wire Wire Line
7230 1815 7230 2010
Wire Wire Line
6730 1815 6730 2510
Wire Wire Line
6730 2510 6730 2980
Connection ~ 6730 2510
Wire Wire Line
6155 2510 6730 2510
Wire Wire Line
6930 1815 6930 2310
Wire Wire Line
6930 2310 6930 3180
Connection ~ 6930 2310
Wire Wire Line
6155 2310 6930 2310
Wire Wire Line
6830 1815 6830 2410
Wire Wire Line
6830 2410 6830 3080
Connection ~ 6830 2410
Wire Wire Line
6155 2410 6830 2410
Connection ~ 7230 2010
Wire Wire Line
6155 2010 7230 2010
Wire Wire Line
7130 1815 7130 2110
Wire Wire Line
7130 2110 7130 3380
Connection ~ 7130 2110
Wire Wire Line
6155 2110 7130 2110
Wire Wire Line
6630 1815 6630 2610
Wire Wire Line
6630 2610 6630 2880
Connection ~ 6630 2610
Wire Wire Line
6155 2610 6630 2610
Wire Wire Line
7030 1815 7030 2210
Wire Wire Line
7030 2210 7030 3280
Connection ~ 7030 2210
Wire Wire Line
6155 2210 7030 2210
Wire Wire Line
7230 2010 7230 3480
Wire Wire Line
6530 2710 6530 2780
Wire Wire Line
6530 1815 6530 2710
Connection ~ 6530 2710
Wire Wire Line
6155 2710 6530 2710
$Comp
L Device:C C4
U 1 1 5DF5B37D
P 3450 7300
F 0 "C4" H 3455 7380 50 0000 L CNN
F 1 "0.1 uF" H 3465 7215 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 3488 7150 50 0001 C CNN
F 3 "~" H 3450 7300 50 0001 C CNN
1 3450 7300
1 0 0 -1
$EndComp
Text Label 9795 6500 0 50 ~ 0
Col7
Text Label 9795 6400 0 50 ~ 0
Col6
Text Label 9795 6300 0 50 ~ 0
Col5
Text Label 9795 6200 0 50 ~ 0
Col4
Text Label 9795 6100 0 50 ~ 0
Col3
Text Label 9795 6000 0 50 ~ 0
Col2
Text Label 9795 5900 0 50 ~ 0
Col1
Text Label 9795 5800 0 50 ~ 0
Col0
Wire Wire Line
9075 6100 9485 6100
Wire Wire Line
9475 5900 9075 5900
Wire Wire Line
9975 5800 9475 5800
Wire Wire Line
9975 5900 9775 5900
Wire Wire Line
9975 6000 9475 6000
Wire Wire Line
9975 6100 9785 6100
Wire Wire Line
9975 6200 9475 6200
Wire Wire Line
9785 6300 9975 6300
Wire Wire Line
9785 6500 9975 6500
Wire Wire Line
9475 6400 9975 6400
Wire Wire Line
9075 6500 9485 6500
Wire Wire Line
9075 6400 9175 6400
Wire Wire Line
9485 6300 9075 6300
Wire Wire Line
9075 6200 9175 6200
Wire Wire Line
9175 6000 9075 6000
Wire Wire Line
9075 5800 9175 5800
Entry Wire Line
9975 5900 10075 5800
Entry Wire Line
9975 5800 10075 5700
Entry Wire Line
9975 6100 10075 6000
Entry Wire Line
9975 6000 10075 5900
Entry Wire Line
9975 6300 10075 6200
Entry Wire Line
9975 6200 10075 6100
Entry Wire Line
9975 6500 10075 6400
Entry Wire Line
9975 6400 10075 6300
$Comp
L Diode:1N4148 D27
U 1 1 5DFACD33
P 9635 6500
F 0 "D27" H 9480 6550 50 0000 C CNN
F 1 "1N4148" H 9455 6600 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9635 6325 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9635 6500 50 0001 C CNN
1 9635 6500
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D26
U 1 1 5DF9A8E3
P 9635 6300
F 0 "D26" H 9520 6260 50 0000 C CNN
F 1 "1N4148" H 9433 6340 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9635 6125 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9635 6300 50 0001 C CNN
1 9635 6300
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D25
U 1 1 5DF87A8E
P 9635 6100
F 0 "D25" H 9510 6060 50 0000 C CNN
F 1 "1N4148" H 9433 6140 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9635 5925 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9635 6100 50 0001 C CNN
1 9635 6100
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D20
U 1 1 5DF6B891
P 9325 6400
F 0 "D20" H 9200 6360 50 0000 C CNN
F 1 "1N4148" H 9123 6440 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9325 6225 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9325 6400 50 0001 C CNN
1 9325 6400
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D19
U 1 1 5DF5903F
P 9325 6200
F 0 "D19" H 9200 6160 50 0000 C CNN
F 1 "1N4148" H 9123 6240 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9325 6025 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9325 6200 50 0001 C CNN
1 9325 6200
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D17
U 1 1 5DF45137
P 9325 5800
F 0 "D17" H 9210 5750 50 0000 C CNN
F 1 "1N4148" H 9215 5670 50 0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9325 5625 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9325 5800 50 0001 C CNN
1 9325 5800
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D18
U 1 1 5DF31D18
P 9325 6000
F 0 "D18" H 9200 5950 50 0000 C CNN
F 1 "1N4148" H 9123 6040 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9325 5825 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9325 6000 50 0001 C CNN
1 9325 6000
1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D24
U 1 1 5DF29274
P 9625 5900
F 0 "D24" H 9500 5860 50 0000 C CNN
F 1 "1N4148" H 9423 5940 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9625 5725 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9625 5900 50 0001 C CNN
1 9625 5900
1 0 0 1
$EndComp
$Comp
L Switch:SW_DIP_x08 SW1
U 1 1 5DF0476A
P 8775 6200
F 0 "SW1" H 8775 6867 50 0000 C CNN
F 1 "Options" H 8775 6776 50 0000 C CNN
F 2 "Button_Switch_THT:SW_DIP_SPSTx08_Piano_CTS_Series194-8MSTN_W7.62mm_P2.54mm" H 8775 6200 50 0001 C CNN
F 3 "~" H 8775 6200 50 0001 C CNN
1 8775 6200
1 0 0 -1
$EndComp
Wire Wire Line
8475 5800 8300 5800
Text Label 8705 5800 0 50 ~ 0
Row8
Wire Wire Line
8300 5800 8300 5900
Wire Wire Line
8300 6500 8475 6500
Wire Wire Line
8475 6400 8300 6400
Connection ~ 8300 6400
Wire Wire Line
8300 6400 8300 6500
Wire Wire Line
8475 6300 8300 6300
Connection ~ 8300 6300
Wire Wire Line
8300 6300 8300 6400
Wire Wire Line
8475 6200 8300 6200
Connection ~ 8300 6200
Wire Wire Line
8300 6200 8300 6300
Wire Wire Line
8475 6100 8300 6100
Connection ~ 8300 6100
Wire Wire Line
8475 6000 8300 6000
Connection ~ 8300 6000
Wire Wire Line
8300 6000 8300 6100
Wire Wire Line
8475 5900 8300 5900
Connection ~ 8300 5900
Wire Wire Line
8300 5900 8300 6000
Entry Wire Line
7800 3050 7900 2950
Entry Wire Line
7800 3150 7900 3050
Entry Wire Line
7800 2950 7900 2850
Wire Wire Line
7900 2850 8560 2850
Wire Wire Line
8560 2950 7900 2950
Wire Wire Line
7900 3050 8560 3050
Wire Wire Line
8560 3150 7900 3150
Wire Wire Line
9060 3050 9975 3050
Wire Wire Line
9060 2850 9975 2850
Wire Wire Line
9060 2950 9975 2950
Wire Wire Line
9060 3150 9975 3150
Entry Wire Line
7800 3250 7900 3150
$Comp
L Diode:1N4148 D4
U 1 1 5E316F0B
P 7150 4530
F 0 "D4" H 7120 4190 50 0000 C CNN
F 1 "1N4148" H 6948 4570 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7150 4355 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7150 4530 50 0001 C CNN
1 7150 4530
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D1
U 1 1 5E32CB02
P 7280 4430
F 0 "D1" H 7310 3990 50 0000 C CNN
F 1 "1N4148" H 7078 4470 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7280 4255 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7280 4430 50 0001 C CNN
1 7280 4430
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D2
U 1 1 5E34160D
P 7150 4330
F 0 "D2" H 7120 3860 50 0000 C CNN
F 1 "1N4148" H 6948 4370 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7150 4155 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7150 4330 50 0001 C CNN
1 7150 4330
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D13
U 1 1 5E412853
P 7300 5370
F 0 "D13" H 7370 4570 50 0000 C CNN
F 1 "1N4148" H 7240 5480 50 0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7300 5195 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7300 5370 50 0001 C CNN
1 7300 5370
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D8
U 1 1 5E412859
P 7170 6070
F 0 "D8" H 7150 5730 50 0000 C CNN
F 1 "1N4148" H 6968 6110 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7170 5895 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7170 6070 50 0001 C CNN
1 7170 6070
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D16
U 1 1 5E41285F
P 7310 5970
F 0 "D16" H 7370 5530 50 0000 C CNN
F 1 "1N4148" H 7108 6010 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7310 5795 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7310 5970 50 0001 C CNN
1 7310 5970
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D7
U 1 1 5E412865
P 7170 5870
F 0 "D7" H 7150 5410 50 0000 C CNN
F 1 "1N4148" H 6968 5910 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7170 5695 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7170 5870 50 0001 C CNN
1 7170 5870
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D6
U 1 1 5E41286B
P 7170 5670
F 0 "D6" H 7150 5090 50 0000 C CNN
F 1 "1N4148" H 6968 5710 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7170 5495 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7170 5670 50 0001 C CNN
1 7170 5670
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D5
U 1 1 5E412871
P 7160 5470
F 0 "D5" H 7150 4770 50 0000 C CNN
F 1 "1N4148" H 6958 5510 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7160 5295 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7160 5470 50 0001 C CNN
1 7160 5470
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D15
U 1 1 5E412877
P 7300 5770
F 0 "D15" H 7370 5210 50 0000 C CNN
F 1 "1N4148" H 7098 5810 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7300 5595 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7300 5770 50 0001 C CNN
1 7300 5770
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D14
U 1 1 5E41287D
P 7300 5570
F 0 "D14" H 7370 4890 50 0000 C CNN
F 1 "1N4148" H 7098 5610 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7300 5395 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7300 5570 50 0001 C CNN
1 7300 5570
1 0 0 -1
$EndComp
Wire Wire Line
6950 3830 7120 3830
Wire Wire Line
6990 3930 6950 3930
Wire Wire Line
6950 4030 7130 4030
Wire Wire Line
6950 4130 7000 4130
Wire Wire Line
6950 4230 7130 4230
Wire Wire Line
6950 4330 7000 4330
Wire Wire Line
6950 4430 7130 4430
Wire Wire Line
6950 4530 7000 4530
Wire Wire Line
7300 4530 7700 4530
Wire Wire Line
7700 4430 7430 4430
Wire Wire Line
7300 4330 7700 4330
Wire Wire Line
7700 4230 7430 4230
Wire Wire Line
7700 4130 7300 4130
Wire Wire Line
7700 4030 7430 4030
Wire Wire Line
7290 3930 7700 3930
Wire Wire Line
7700 3830 7420 3830
Wire Wire Line
6960 5370 7150 5370
Wire Wire Line
7010 5470 6960 5470
Wire Wire Line
6960 5570 7150 5570
Wire Wire Line
7020 5670 6960 5670
Wire Wire Line
6960 5770 7150 5770
Wire Wire Line
6960 5870 7020 5870
Wire Wire Line
7160 5970 6960 5970
Wire Wire Line
6960 6070 7020 6070
Wire Wire Line
7320 6070 7700 6070
Wire Wire Line
7700 5970 7460 5970
Wire Wire Line
7700 5870 7320 5870
Wire Wire Line
7700 5770 7450 5770
Wire Wire Line
7320 5670 7700 5670
Wire Wire Line
7700 5370 7450 5370
$Comp
L Diode:1N4148 D11
U 1 1 5E37FC86
P 7280 4230
F 0 "D11" H 7310 3660 50 0000 C CNN
F 1 "1N4148" H 7078 4270 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7280 4055 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7280 4230 50 0001 C CNN
1 7280 4230
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D3
U 1 1 5E357678
P 7150 4130
F 0 "D3" H 7120 3540 50 0000 C CNN
F 1 "1N4148" H 6948 4170 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7150 3955 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7150 4130 50 0001 C CNN
1 7150 4130
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D10
U 1 1 5E3942E4
P 7280 4030
F 0 "D10" H 7310 3340 50 0000 C CNN
F 1 "1N4148" H 7078 4070 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7280 3855 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7280 4030 50 0001 C CNN
1 7280 4030
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D12
U 1 1 5E36B862
P 7140 3930
F 0 "D12" H 7120 3210 50 0000 C CNN
F 1 "1N4148" H 6938 3970 50 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7140 3755 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7140 3930 50 0001 C CNN
1 7140 3930
1 0 0 -1
$EndComp
$Comp
L Diode:1N4148 D9
U 1 1 5E301C34
P 7270 3830
F 0 "D9" H 7310 3010 50 0000 C CNN
F 1 "1N4148" H 7210 3940 50 0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7270 3655 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 7270 3830 50 0001 C CNN
1 7270 3830
1 0 0 -1
$EndComp
Wire Wire Line
7310 5470 7700 5470
Wire Wire Line
7700 5570 7450 5570
Wire Wire Line
9500 1350 9975 1350
Wire Wire Line
7900 2350 8560 2350
Entry Wire Line
9975 1250 10075 1350
Entry Wire Line
9975 1750 10075 1850
Text Label 9745 1750 0 50 ~ 0
Row7
Text Label 9745 1650 0 50 ~ 0
Col0
$Comp
L Diode:1N4148 D22
U 1 1 5D9C0280
P 9355 1750
F 0 "D22" H 9490 1720 50 0000 C CNN
F 1 "1N4148" H 9530 1790 40 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9355 1575 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9355 1750 50 0001 C CNN
1 9355 1750
-1 0 0 1
$EndComp
$Comp
L Diode:1N4148 D23
U 1 1 5EB56F93
P 9355 2150
F 0 "D23" H 9490 2120 50 0000 C CNN
F 1 "1N4148" H 9530 2185 40 0001 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9355 1975 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 9355 2150 50 0001 C CNN
1 9355 2150
-1 0 0 1
$EndComp
Wire Wire Line
9975 1250 9060 1250
Wire Wire Line
9060 1350 9200 1350
Wire Wire Line
9975 1750 9505 1750
Wire Wire Line
9205 1750 9060 1750
Wire Wire Line
9060 2050 9975 2050
Wire Wire Line
9975 2150 9505 2150
Wire Wire Line
9205 2150 9060 2150
Text Notes 9425 2150 0 50 ~ 0
Rubout
Text Notes 9495 1740 0 50 ~ 0
@
Text Notes 9445 1340 0 50 ~ 0
Power
$Comp
L Device:R_US R5
U 1 1 5EE753E3
P 9330 2350
F 0 "R5" V 9295 2435 50 0000 L CNN
F 1 "330" V 9405 2280 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 9370 2340 50 0001 C CNN
F 3 "~" H 9330 2350 50 0001 C CNN
1 9330 2350
0 1 1 0
$EndComp
Wire Wire Line
9060 2350 9180 2350
Wire Wire Line
4355 4850 3900 4850
Wire Wire Line
3900 3850 4120 3850
Text Label 4690 4650 0 50 ~ 0
LED1
Entry Wire Line
9975 1350 10075 1450
Wire Wire Line
9060 1450 9115 1450
Wire Wire Line
9115 1450 9115 1065
$Comp
L power:+5V #PWR023
U 1 1 5E8162A5
P 9115 1065
F 0 "#PWR023" H 9115 915 50 0001 C CNN
F 1 "+5V" H 9130 1238 50 0000 C CNN
F 2 "" H 9115 1065 50 0001 C CNN
F 3 "" H 9115 1065 50 0001 C CNN
1 9115 1065
1 0 0 -1
$EndComp
Wire Wire Line
9190 1550 9060 1550
Wire Wire Line
9060 2250 9115 2250
Wire Wire Line
9115 2250 9115 1850
Connection ~ 9115 1450
Wire Wire Line
9975 1650 9060 1650
Wire Wire Line
9480 2350 9680 2350
$Comp
L Device:C C5
U 1 1 5E4F4413
P 3840 7300
F 0 "C5" H 3845 7380 50 0000 L CNN
F 1 "0.1 uF" H 3855 7215 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 3878 7150 50 0001 C CNN
F 3 "~" H 3840 7300 50 0001 C CNN
1 3840 7300
1 0 0 -1
$EndComp
Wire Wire Line
2020 7710 2020 7765
Wire Wire Line
4100 7710 3840 7710
Wire Wire Line
4100 6960 3840 6960
Wire Wire Line
3840 7150 3840 6960
Connection ~ 3840 6960
Wire Wire Line
3840 6960 3450 6960
Wire Wire Line
3450 7150 3450 6960
Connection ~ 3450 6960
Wire Wire Line
3450 6960 3075 6960
$Comp
L Device:C C2
U 1 1 5BFE9D13
P 2650 7300
F 0 "C2" H 2655 7380 50 0000 L CNN
F 1 "0.1 uF" H 2665 7215 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 2688 7150 50 0001 C CNN
F 3 "~" H 2650 7300 50 0001 C CNN
1 2650 7300
1 0 0 -1
$EndComp
$Comp
L Device:C C1
U 1 1 5BFE9C80
P 2250 7300
F 0 "C1" H 2255 7380 50 0000 L CNN
F 1 "0.1 uF" H 2260 7220 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 2288 7150 50 0001 C CNN
F 3 "~" H 2250 7300 50 0001 C CNN
1 2250 7300
1 0 0 -1
$EndComp
Wire Wire Line
2650 7150 2650 6960
Connection ~ 2650 6960
Wire Wire Line
2650 6960 2250 6960
Wire Wire Line
2250 6960 2250 7150
Connection ~ 2250 6960
Wire Wire Line
2250 6960 2020 6960
Wire Wire Line
3075 7150 3075 6960
Connection ~ 3075 6960
Wire Wire Line
3075 6960 2650 6960
Wire Wire Line
3840 7450 3840 7710
Connection ~ 3840 7710
Wire Wire Line
3840 7710 3450 7710
Wire Wire Line
3450 7450 3450 7710
Connection ~ 3450 7710
Wire Wire Line
3450 7710 3075 7710
Wire Wire Line
3075 7450 3075 7710
Connection ~ 3075 7710
Wire Wire Line
3075 7710 2650 7710
Wire Wire Line
2650 7450 2650 7710
Connection ~ 2650 7710
Wire Wire Line
2650 7710 2250 7710
Wire Wire Line
2250 7450 2250 7710
Connection ~ 2250 7710
Wire Wire Line
2250 7710 2020 7710
$Comp
L Connector_Generic:Conn_01x04 J3
U 1 1 5E4CDDD4
P 950 7320
F 0 "J3" H 868 6895 50 0000 C CNN
F 1 "UART" H 868 6986 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal" H 950 7320 50 0001 C CNN
F 3 "~" H 950 7320 50 0001 C CNN
1 950 7320
-1 0 0 -1
$EndComp
Wire Wire Line
1200 7220 1150 7220
Wire Wire Line
1200 7170 1200 7220
$Comp
L power:+5V #PWR01
U 1 1 5DFE19CD
P 1200 7170
F 0 "#PWR01" H 1200 7020 50 0001 C CNN
F 1 "+5V" H 1215 7343 50 0000 C CNN
F 2 "" H 1200 7170 50 0001 C CNN
F 3 "" H 1200 7170 50 0001 C CNN
1 1200 7170
1 0 0 -1
$EndComp
Text Label 1230 7320 0 50 ~ 0
Tx
Text Label 1235 7420 0 50 ~ 0
Rx
Wire Wire Line
1200 7520 1150 7520
Wire Wire Line
1200 7720 1200 7520
$Comp
L power:GND #PWR02
U 1 1 5DDAEC22
P 1200 7720
F 0 "#PWR02" H 1200 7470 50 0001 C CNN
F 1 "GND" H 1205 7547 50 0000 C CNN
F 2 "" H 1200 7720 50 0001 C CNN
F 3 "" H 1200 7720 50 0001 C CNN
1 1200 7720
1 0 0 -1
$EndComp
$Comp
L Connector_Generic:Conn_01x05 J4
U 1 1 5E83DEBE
P 955 875
F 0 "J4" H 873 450 50 0000 C CNN
F 1 "Conn_01x05" H 873 541 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Horizontal" H 955 875 50 0001 C CNN
F 3 "~" H 955 875 50 0001 C CNN
1 955 875
-1 0 0 1
$EndComp
Text Label 1370 875 0 50 ~ 0
OUT2
Wire Wire Line
4190 1355 4190 3750
Wire Wire Line
4120 3850 4120 1555
Wire Wire Line
4120 1555 3000 1555
$Comp
L 74xx:74LS04 U5
U 1 1 5EE66C70
P 9100 3670
F 0 "U5" H 9100 3987 50 0000 C CNN
F 1 "74LS04" H 9100 3896 50 0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 9100 3670 50 0001 C CNN
F 3 "www.ti.com/lit/ds/symlink/sn74ls04.pdf" H 9100 3670 50 0001 C CNN
1 9100 3670
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS04 U5
U 2 1 5EE68D6D
P 9110 4195
F 0 "U5" H 9110 4512 50 0000 C CNN
F 1 "74LS04" H 9110 4421 50 0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 9110 4195 50 0001 C CNN
F 3 "www.ti.com/lit/ds/symlink/sn74ls04.pdf" H 9110 4195 50 0001 C CNN
2 9110 4195
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS04 U5
U 3 1 5EE6B606
P 8550 4610
F 0 "U5" H 8230 4555 50 0000 C CNN
F 1 "74LS04" H 8750 4710 50 0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 8550 4610 50 0001 C CNN
F 3 "www.ti.com/lit/ds/symlink/sn74ls04.pdf" H 8550 4610 50 0001 C CNN
3 8550 4610
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS04 U5
U 5 1 5EE6F7E7
P 8550 5200
F 0 "U5" H 8240 5145 50 0000 C CNN
F 1 "74LS04" H 8785 5110 50 0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 8550 5200 50 0001 C CNN
F 3 "www.ti.com/lit/ds/symlink/sn74ls04.pdf" H 8550 5200 50 0001 C CNN
5 8550 5200
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS04 U5
U 6 1 5EE70D7E
P 2505 655
F 0 "U5" H 2520 810 50 0000 C CNN
F 1 "74LS04" H 2210 720 50 0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 2505 655 50 0001 C CNN
F 3 "www.ti.com/lit/ds/symlink/sn74ls04.pdf" H 2505 655 50 0001 C CNN
6 2505 655
-1 0 0 1
$EndComp
$Comp
L 74xx:74LS04 U5
U 7 1 5EE72AB1
P 4730 7320
F 0 "U5" H 4960 7366 50 0000 L CNN
F 1 "74LS04" H 4960 7275 50 0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 4730 7320 50 0001 C CNN
F 3 "www.ti.com/lit/ds/symlink/sn74ls04.pdf" H 4730 7320 50 0001 C CNN
7 4730 7320
1 0 0 -1
$EndComp
Wire Wire Line
4035 1655 4035 3650
$Comp
L Device:R_US R1
U 1 1 5E779921
P 9340 1550
F 0 "R1" V 9380 1635 50 0000 L CNN
F 1 "330" V 9265 1470 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 9380 1540 50 0001 C CNN
F 3 "~" H 9340 1550 50 0001 C CNN
1 9340 1550
0 1 1 0
$EndComp
Wire Wire Line
9190 1950 9060 1950
$Comp
L Device:R_US R2
U 1 1 5EFBE67B
P 9340 1950
F 0 "R2" V 9380 2035 50 0000 L CNN
F 1 "330" V 9265 1870 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 9380 1940 50 0001 C CNN
F 3 "~" H 9340 1950 50 0001 C CNN
1 9340 1950
0 1 1 0
$EndComp
Wire Wire Line
9115 1850 9060 1850
Connection ~ 9115 1850
Wire Wire Line
9115 1850 9115 1450
Wire Wire Line
9490 1550 9975 1550
Wire Wire Line
9490 1950 9705 1950
Wire Wire Line
9705 4195 9410 4195
Wire Wire Line
9400 3670 9680 3670
Wire Wire Line
9680 3670 9680 2350
Wire Wire Line
8155 5400 8155 5200
Wire Wire Line
8155 4900 8680 4900
Wire Wire Line
8250 5200 8155 5200
Connection ~ 8155 5200
Wire Wire Line
8155 5200 8155 4900
$Comp
L power:GND #PWR022
U 1 1 5F0E3B37
P 8155 5400
F 0 "#PWR022" H 8155 5150 50 0001 C CNN
F 1 "GND" H 8160 5227 50 0000 C CNN
F 2 "" H 8155 5400 50 0001 C CNN
F 3 "" H 8155 5400 50 0001 C CNN
1 8155 5400
1 0 0 -1
$EndComp
Wire Wire Line
3000 1355 4190 1355
Wire Wire Line
3050 655 3050 1655
Wire Wire Line
3000 1655 3050 1655
Connection ~ 3050 1655
Wire Wire Line
3050 1655 4035 1655
Entry Wire Line
5100 3850 5200 3950
Wire Wire Line
5100 3850 4120 3850
Connection ~ 4120 3850
Entry Wire Line
5100 3750 5200 3850
Wire Wire Line
4190 3750 5100 3750
Connection ~ 4190 3750
Text Label 3485 1655 0 50 ~ 0
MOSI-OUT2
Wire Wire Line
3415 1455 3415 1270
$Comp
L power:+5V #PWR012
U 1 1 5DA61D1D
P 3415 1270
F 0 "#PWR012" H 3415 1120 50 0001 C CNN
F 1 "+5V" H 3430 1443 50 0000 C CNN
F 2 "" H 3415 1270 50 0001 C CNN
F 3 "" H 3415 1270 50 0001 C CNN
1 3415 1270
1 0 0 -1
$EndComp
Entry Wire Line
9975 1550 10075 1650
Text Label 9750 1550 0 50 ~ 0
LED1
Wire Wire Line
8250 4610 8155 4610
Wire Wire Line
8155 4610 8155 4900
Connection ~ 8155 4900
$Comp
L 74xx:74LS04 U5
U 4 1 5EE6DE5B
P 8980 4900
F 0 "U5" H 8255 4855 50 0000 C CNN
F 1 "74LS04" H 9175 5010 50 0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 8980 4900 50 0001 C CNN
F 3 "www.ti.com/lit/ds/symlink/sn74ls04.pdf" H 8980 4900 50 0001 C CNN
4 8980 4900
1 0 0 -1
$EndComp
Entry Wire Line
7800 3570 7900 3670
Entry Wire Line
7800 4095 7900 4195
Wire Wire Line
8800 3670 7900 3670
Wire Wire Line
8810 4195 7900 4195
Wire Wire Line
9705 1950 9705 4195
Wire Bus Line
10075 6705 7800 6705
Text Label 8135 4195 0 50 ~ 0
SCK-LED2
Text Label 8135 3670 0 50 ~ 0
MISO-LED3
Wire Wire Line
4730 6820 4100 6820
Wire Wire Line
4100 6820 4100 6960
Wire Wire Line
4730 7820 4100 7820
Wire Wire Line
4100 7820 4100 7710
Connection ~ 4310 5050
Connection ~ 4210 5150
Wire Wire Line
3900 5050 4310 5050
Wire Wire Line
4310 5050 4310 6710
Wire Wire Line
4210 5150 4460 5150
Text Label 7950 6500 0 50 ~ 0
Row15
Entry Wire Line
7800 6400 7900 6500
Wire Wire Line
8300 6500 7900 6500
Connection ~ 8300 6500
Wire Wire Line
8300 6100 8300 6200
Entry Wire Line
9975 2150 10075 2250
Wire Wire Line
1150 6640 1750 6640
Connection ~ 1750 6640
Wire Wire Line
1750 6640 1750 5090
Text Label 1250 6340 0 50 ~ 0
OUT1
Text Notes 1135 6635 0 50 ~ 0
(D7 to +5V)
NoConn ~ 1150 6440
NoConn ~ 1150 6140
NoConn ~ 1150 6240
NoConn ~ 1150 3825
NoConn ~ 1150 4325
NoConn ~ 1150 4825
NoConn ~ 1150 4925
NoConn ~ 1150 5025
Text Notes 2055 6585 0 50 ~ 0
SOL-20:\nRESET=OUT1\nLOCAL=OUT3\nBREAK=OUT2\n\nApple 1:\nD7 on socket is tied high\n~RESET = OUT3\nCLRSCR = OUT1\n\nApple 2:\n~RESET = OUT3\n\n
Wire Wire Line
2805 655 3050 655
Wire Wire Line
1155 775 1875 775
Entry Wire Line
1875 775 1975 875
Wire Wire Line
1845 655 1845 875
Wire Wire Line
1845 875 1155 875
Entry Wire Line
1875 1385 1975 1485
Entry Wire Line
1875 1485 1975 1585
Entry Wire Line
1875 1785 1975 1885
Entry Wire Line
1875 1885 1975 1985
Entry Wire Line
1875 1985 1975 2085
Entry Wire Line
1875 2585 1975 2685
Entry Wire Line
1875 2685 1975 2785
Entry Wire Line
1875 2785 1975 2885
Entry Wire Line
1875 2885 1975 2985
Entry Wire Line
1875 2985 1975 3085
Entry Wire Line
1875 3085 1975 3185
Wire Wire Line
1875 1885 1150 1885
Wire Wire Line
1150 1785 1875 1785
Wire Wire Line
1150 1385 1285 1385
$Comp
L Connector_Generic:Conn_01x20 J7
U 1 1 5E5FA80F
P 950 2285
F 0 "J7" H 868 3402 50 0000 C CNN
F 1 "SOL-20" H 1185 2265 50 0000 C CNN
F 2 "unikbd:SOL20-header-vertical" H 950 2285 50 0001 C CNN
F 3 "~" H 950 2285 50 0001 C CNN
1 950 2285
-1 0 0 -1
$EndComp
Wire Wire Line
1150 1585 1875 1585
Wire Wire Line
1150 2085 1875 2085
Wire Wire Line
1150 1985 1875 1985
Text Label 1260 1785 0 50 ~ 0
D0
Text Label 1260 1885 0 50 ~ 0
D1
Text Label 1260 1985 0 50 ~ 0
D2
Text Label 1260 2085 0 50 ~ 0
D3
Wire Wire Line
1150 2785 1875 2785
Wire Wire Line
1875 2885 1150 2885
Wire Wire Line
1150 2985 1875 2985
Wire Wire Line
1875 3085 1150 3085
Text Label 1260 2785 0 50 ~ 0
D4
Text Label 1260 2885 0 50 ~ 0
D5
Text Label 1260 2985 0 50 ~ 0
D6
Text Label 1260 3085 0 50 ~ 0
D7
Wire Wire Line
1150 3285 1650 3285
Wire Wire Line
1650 3285 1650 4225
Connection ~ 1650 4225
Wire Wire Line
1285 1075 1285 1385
Connection ~ 1285 1075
Wire Wire Line
1285 1075 1455 1075
Connection ~ 1285 1385
Wire Wire Line
1285 1385 1875 1385
Wire Wire Line
1875 1485 1735 1485
Wire Wire Line
1735 675 1735 620
Wire Wire Line
1155 675 1735 675
Wire Wire Line
1735 675 1735 1485
Connection ~ 1735 675
Connection ~ 1735 1485
Wire Wire Line
1735 1485 1150 1485
Text Label 1260 1585 0 50 ~ 0
~STROBE
Wire Wire Line
1875 2585 1150 2585
Text Label 1260 2585 0 50 ~ 0
OUT3
Wire Wire Line
1150 7320 1860 7320
Wire Wire Line
1860 7320 1860 6675
Wire Wire Line
1860 6675 4210 6675
Wire Wire Line
4210 5150 4210 6675
Wire Wire Line
4310 6710 1900 6710
Wire Wire Line
1900 6710 1900 7420
Wire Wire Line
1900 7420 1150 7420
Entry Wire Line
1875 6340 1975 6440
Wire Wire Line
1150 2285 1650 2285
Wire Wire Line
1650 2285 1650 2385
Connection ~ 1650 3285
Wire Wire Line
1150 2385 1650 2385
Connection ~ 1650 2385
Wire Wire Line
1650 2385 1650 3285
Wire Wire Line
1150 3185 1735 3185
Wire Wire Line
1735 1485 1735 2185
Wire Wire Line
1735 3185 1735 3525
Connection ~ 1735 3185
Wire Wire Line
1845 655 2205 655
Wire Wire Line
1150 2485 1735 2485
Connection ~ 1735 2485
Wire Wire Line
1735 2485 1735 3185
Wire Wire Line
1150 2185 1735 2185
Connection ~ 1735 2185
Wire Wire Line
1735 2185 1735 2485
Wire Wire Line
1150 1685 1845 1685
Wire Wire Line
1845 1685 1845 875
Connection ~ 1845 875
Entry Wire Line
1875 1585 1975 1685
Entry Wire Line
1875 2085 1975 2185
Wire Wire Line
1150 2685 1875 2685
Text Label 1260 2685 0 50 ~ 0
OUT1
Wire Bus Line
5200 3850 5200 6640
Wire Bus Line
10075 1350 10075 6705
Wire Bus Line
1975 875 1975 6640
Wire Bus Line
7800 1350 7800 6705
$EndSCHEMATC
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