X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=romdev;a=blobdiff_plain;f=romdev.sch;fp=romdev.sch;h=0000000000000000000000000000000000000000;hp=113f447ac62ea5097415342b1796d3b21b4176bf;hb=ab4208125865af42eeaedde46afa79af706a8d64;hpb=1a6205c536ca621debc9948a3409c91ba327a145 diff --git a/romdev.sch b/romdev.sch deleted file mode 100644 index 113f447..0000000 --- a/romdev.sch +++ /dev/null @@ -1,2119 +0,0 @@ -EESchema Schematic File Version 4 -EELAYER 30 0 -EELAYER END -$Descr A4 11693 8268 -encoding utf-8 -Sheet 1 2 -Title "ROM development board" -Date "2020-05-18" -Rev "1" -Comp "" -Comment1 "" -Comment2 "" -Comment3 "License: Creative Commons Attribution Share-Alike (CC BY-SA)" -Comment4 "Copyright (C) 2020 John Tsiombikas " -$EndDescr -$Comp -L Connector:USB_B_Micro J2 -U 1 1 5EC163C7 -P 1600 5100 -F 0 "J2" H 1370 5089 50 0000 R CNN -F 1 "USB_B_Micro" H 1370 4998 50 0000 R CNN -F 2 "Connector_USB:USB_Micro-B_Molex-105017-0001" H 1750 5050 50 0001 C CNN -F 3 "~" H 1750 5050 50 0001 C CNN - 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1 9000 950 - 1 0 0 -1 -$EndComp -$Comp -L power:GND #PWR025 -U 1 1 60895593 -P 6850 1100 -F 0 "#PWR025" H 6850 850 50 0001 C CNN -F 1 "GND" H 6850 950 50 0000 C CNN -F 2 "" H 6850 1100 50 0001 C CNN -F 3 "" H 6850 1100 50 0001 C CNN - 1 6850 1100 - -1 0 0 -1 -$EndComp -$Comp -L power:VCC #PWR024 -U 1 1 6089701F -P 6850 800 -F 0 "#PWR024" H 6850 650 50 0001 C CNN -F 1 "VCC" H 6850 950 50 0000 C CNN -F 2 "" H 6850 800 50 0001 C CNN -F 3 "" H 6850 800 50 0001 C CNN - 1 6850 800 - -1 0 0 -1 -$EndComp -Wire Wire Line - 6850 800 7000 800 -Connection ~ 7000 800 -Wire Wire Line - 7000 800 7250 800 -Connection ~ 7250 800 -Wire Wire Line - 7250 800 7500 800 -Connection ~ 7500 800 -Wire Wire Line - 7500 800 7750 800 -Connection ~ 7750 800 -Wire Wire Line - 7750 800 8000 800 -Connection ~ 8000 800 -Wire Wire Line - 8000 800 8250 800 -Connection ~ 8250 800 -Wire Wire Line - 8250 800 8500 800 -Connection ~ 8500 800 -Wire Wire Line - 8500 800 8750 800 -Connection ~ 8750 800 -Wire Wire Line - 8750 800 9000 800 -Wire Wire Line - 6850 1100 7000 1100 -Connection ~ 7000 1100 -Wire Wire Line - 7000 1100 7250 1100 -Connection ~ 7250 1100 -Wire Wire Line - 7250 1100 7500 1100 -Connection ~ 7500 1100 -Wire Wire Line - 7500 1100 7750 1100 -Connection ~ 7750 1100 -Wire Wire Line - 7750 1100 8000 1100 -Connection ~ 8000 1100 -Wire Wire Line - 8000 1100 8250 1100 -Connection ~ 8250 1100 -Wire Wire Line - 8250 1100 8500 1100 -Connection ~ 8500 1100 -Wire Wire Line - 8500 1100 8750 1100 -Connection ~ 8750 1100 -Wire Wire Line - 8750 1100 9000 1100 -Text Notes 7750 650 0 50 ~ 0 -bypass capacitors -NoConn ~ 1900 5300 -Text Label 2800 3050 0 50 ~ 0 -~SYSRST -$Comp -L Connector:Conn_01x01_Male J7 -U 1 1 60C37FAA -P 3150 2750 -F 0 "J7" V 3100 2700 50 0000 L CNN -F 1 "SYSRST" H 3150 2800 50 0000 L CNN -F 2 "Connector_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_Vertical" H 3150 2750 50 0001 C CNN -F 3 "~" H 3150 2750 50 0001 C CNN - 1 3150 2750 - 0 1 1 0 -$EndComp -Wire Wire Line - 3150 3050 3150 2950 -Wire Wire Line - 2800 3050 3150 3050 -$Comp -L Device:R R3 -U 1 1 60D2872F -P 7200 5000 -F 0 "R3" V 7200 4750 50 0000 C CNN -F 1 "4K7" V 7200 5000 50 0000 C CNN -F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7130 5000 50 0001 C CNN -F 3 "~" H 7200 5000 50 0001 C CNN - 1 7200 5000 - 0 -1 1 0 -$EndComp -Wire Wire Line - 6250 6450 6050 6450 -Wire Wire Line - 6050 6250 6400 6250 -Wire Wire Line - 6400 6250 6400 6850 -Entry Wire Line - 6650 4900 6750 5000 -Entry Wire Line - 6650 5000 6750 5100 -Entry Wire Line - 6650 5100 6750 5200 -Entry Wire Line - 6650 5200 6750 5300 -Wire Wire Line - 6750 5000 7050 5000 -Wire Wire Line - 6750 5100 7050 5100 -Wire Wire Line - 6750 5200 7050 5200 -Wire Wire Line - 6750 5300 7050 5300 -Text Label 6750 5000 0 50 ~ 0 -SYSA11 -Text Label 6750 5100 0 50 ~ 0 -SYSA12 -Text Label 6750 5200 0 50 ~ 0 -SYSA13 -Text Label 6750 5300 0 50 ~ 0 -SYSA14 -$Comp -L Device:R R4 -U 1 1 60E87D8E -P 7200 5100 -F 0 "R4" V 7200 4850 50 0000 C CNN -F 1 "4K7" V 7200 5100 50 0000 C CNN -F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7130 5100 50 0001 C CNN -F 3 "~" H 7200 5100 50 0001 C CNN - 1 7200 5100 - 0 -1 1 0 -$EndComp -$Comp -L Device:R R5 -U 1 1 60E87FB4 -P 7200 5200 -F 0 "R5" V 7200 4950 50 0000 C CNN -F 1 "4K7" V 7200 5200 50 0000 C CNN -F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7130 5200 50 0001 C CNN -F 3 "~" H 7200 5200 50 0001 C CNN - 1 7200 5200 - 0 -1 1 0 -$EndComp -$Comp -L Device:R R6 -U 1 1 60E8815F -P 7200 5300 -F 0 "R6" V 7200 5050 50 0000 C CNN -F 1 "4K7" V 7200 5300 50 0000 C CNN -F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7130 5300 50 0001 C CNN -F 3 "~" H 7200 5300 50 0001 C CNN - 1 7200 5300 - 0 -1 1 0 -$EndComp -$Comp -L power:GND #PWR031 -U 1 1 60E8A6A5 -P 7350 5350 -F 0 "#PWR031" H 7350 5100 50 0001 C CNN -F 1 "GND" H 7350 5200 50 0000 C CNN -F 2 "" H 7350 5350 50 0001 C CNN -F 3 "" H 7350 5350 50 0001 C CNN - 1 7350 5350 - -1 0 0 -1 -$EndComp -Wire Wire Line - 7350 5350 7350 5300 -Connection ~ 7350 5100 -Wire Wire Line - 7350 5100 7350 5000 -Connection ~ 7350 5200 -Wire Wire Line - 7350 5200 7350 5100 -Connection ~ 7350 5300 -Wire Wire Line - 7350 5300 7350 5200 -NoConn ~ 2800 2950 -Connection ~ 3500 3350 -Wire Wire Line - 3500 3450 3500 3350 -Wire Wire Line - 3650 3450 3500 3450 -Wire Wire Line - 3500 1750 3500 1950 -Wire Wire Line - 3500 1650 3500 1750 -Connection ~ 3500 1750 -Wire Wire Line - 3650 1750 3500 1750 -Text Notes 1250 1200 0 50 ~ 0 -Note: firmware drives ~SS~ high when not in\nprogramming mode (PGM low) to avoid contention\nwhen the system drives the address bus. -$Comp -L Device:R R7 -U 1 1 60FC7770 -P 3350 2950 -F 0 "R7" H 3400 3100 50 0000 C CNN -F 1 "4K7" V 3350 2950 50 0000 C CNN -F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3280 2950 50 0001 C CNN -F 3 "~" H 3350 2950 50 0001 C CNN - 1 3350 2950 - 1 0 0 1 -$EndComp -Wire Wire Line - 3350 3150 3350 3100 -Wire Wire Line - 2800 3150 3350 3150 -$Comp -L power:VCC #PWR032 -U 1 1 60FE6889 -P 3350 2800 -F 0 "#PWR032" H 3350 2650 50 0001 C CNN -F 1 "VCC" H 3350 2950 50 0000 C CNN -F 2 "" H 3350 2800 50 0001 C CNN -F 3 "" H 3350 2800 50 0001 C CNN - 1 3350 2800 - 1 0 0 -1 -$EndComp -Wire Wire Line - 3300 3550 2800 3550 -Wire Wire Line - 3350 3450 2800 3450 -Wire Wire Line - 3350 3450 3350 5200 -Wire Wire Line - 5550 6850 6400 6850 -Wire Wire Line - 6300 4850 6300 4750 -Connection ~ 6300 4750 -Wire Wire Line - 6050 6550 6050 6450 -Connection ~ 6050 6450 -Wire Wire Line - 6700 3050 6700 2950 -$Comp -L Diode:1N4148 D3 -U 1 1 5F8C7D7E -P 6250 3300 -F 0 "D3" V 6350 3150 50 0000 L CNN -F 1 "1N4148" H 6000 3200 50 0000 L CNN -F 2 "Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 6250 3125 50 0001 C CNN -F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 6250 3300 50 0001 C CNN - 1 6250 3300 - 0 1 1 0 -$EndComp -$Comp -L Diode:1N4148 D4 -U 1 1 5F89552F -P 6450 3300 -F 0 "D4" V 6550 3300 50 0000 L CNN -F 1 "1N4148" H 6200 3200 50 0000 L CNN -F 2 "Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 6450 3125 50 0001 C CNN -F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 6450 3300 50 0001 C CNN - 1 6450 3300 - 0 1 1 0 -$EndComp -Connection ~ 6700 3050 -Text Label 6550 3550 0 50 ~ 0 -~SYSCS -Text Label 6550 3650 0 50 ~ 0 -~SYSOE -Wire Wire Line - 6800 3550 6450 3550 -Wire Wire Line - 6450 3550 6450 3450 -Wire Wire Line - 6800 3650 6250 3650 -Wire Wire Line - 6250 3650 6250 3450 -Wire Wire Line - 6250 3150 6250 3050 -Wire Wire Line - 6250 3050 6450 3050 -Wire Wire Line - 6450 3150 6450 3050 -Connection ~ 6450 3050 -Wire Wire Line - 6450 3050 6700 3050 -Wire Wire Line - 6700 3350 6700 3050 -$Comp -L Device:R R8 -U 1 1 5FB4A123 -P 6950 3350 -F 0 "R8" V 7050 3350 50 0000 C CNN -F 1 "4K7" V 6950 3350 50 0000 C CNN -F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 6880 3350 50 0001 C CNN -F 3 "~" H 6950 3350 50 0001 C CNN - 1 6950 3350 - 0 -1 1 0 -$EndComp -Wire Wire Line - 6800 3350 6700 3350 -Wire Wire Line - 7100 3350 7200 3350 -Wire Bus Line - 8100 1500 8100 2650 -Wire Bus Line - 3250 650 3250 4250 -Wire Bus Line - 6400 650 6400 2650 -Wire Bus Line - 10350 1500 10350 4900 -Wire Bus Line - 6650 3950 6650 6450 -Wire Bus Line - 8650 2100 8650 6450 -Wire Bus Line - 4750 1250 4750 6150 -Connection ~ 7200 3350 -$EndSCHEMATC