Changeset 09ff5de in avrstuff for CPC stuff/gordon/ramcard.sch
- Timestamp:
- Apr 19, 2020, 10:06:54 PM (4 years ago)
- Branches:
- main
- Children:
- 8f204fc
- Parents:
- 26054cc
- File:
-
- 1 edited
-
CPC stuff/gordon/ramcard.sch (modified) (32 diffs)
Legend:
- Unmodified
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- Removed
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CPC stuff/gordon/ramcard.sch
r26054cc r09ff5de 19 19 Wire Wire Line 20 20 6300 1900 6300 2100 21 Wire Wire Line 22 3250 2600 3500 2600 23 Connection ~ 8400 3550 21 Connection ~ 8400 3950 24 22 Wire Wire Line 25 23 1250 950 1250 900 … … 38 36 1150 750 1250 750 39 37 Wire Wire Line 40 2200 3 400 2000 340041 Wire Wire Line 42 2250 2 700 2000 270043 Wire Wire Line 44 6100 3 350 6400 335038 2200 3600 2000 3600 39 Wire Wire Line 40 2250 2900 2000 2900 41 Wire Wire Line 42 6100 3750 6400 3750 45 43 Wire Wire Line 46 44 8800 2750 9050 2750 47 Connection ~ 3 750 125048 Wire Wire Line 49 4400 1250 4100 125050 Connection ~ 4100 85051 Wire Wire Line 52 4100 800 4100 85045 Connection ~ 3300 1150 46 Wire Wire Line 47 3950 1150 3650 1150 48 Connection ~ 3650 750 49 Wire Wire Line 50 3650 700 3650 750 53 51 Wire Wire Line 54 52 7200 1100 7200 950 … … 66 64 900 5050 900 4350 67 65 Wire Wire Line 68 8150 2450 7950 2450 69 Wire Wire Line 70 8150 2350 7950 2350 71 Wire Wire Line 72 8150 2250 7950 2250 73 Wire Wire Line 74 8150 2150 7950 2150 75 Wire Wire Line 76 8150 2050 7950 2050 77 Wire Wire Line 78 8150 1950 7950 1950 79 Wire Wire Line 80 8150 1850 7950 1850 81 Wire Wire Line 82 8150 1750 7950 1750 83 Wire Wire Line 84 8150 1650 7950 1650 85 Wire Wire Line 86 8150 1550 7950 1550 87 Wire Wire Line 88 8150 1450 7950 1450 89 Wire Wire Line 90 8150 1350 7950 1350 91 Wire Wire Line 92 8150 1250 7950 1250 93 Wire Wire Line 94 8150 1150 7950 1150 95 Wire Wire Line 96 8150 1050 7950 1050 97 Wire Wire Line 98 8150 950 7950 950 99 Wire Wire Line 100 8150 850 7950 850 101 Wire Wire Line 102 8150 750 7950 750 103 Wire Wire Line 104 8150 650 7950 650 105 Wire Bus Line 106 6100 750 5400 750 66 8150 2400 7950 2400 67 Wire Wire Line 68 8150 2300 7950 2300 69 Wire Wire Line 70 8150 2200 7950 2200 71 Wire Wire Line 72 8150 2100 7950 2100 73 Wire Wire Line 74 8150 2000 7950 2000 75 Wire Wire Line 76 8150 1900 7950 1900 77 Wire Wire Line 78 8150 1800 7950 1800 79 Wire Wire Line 80 8150 1700 7950 1700 81 Wire Wire Line 82 8150 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1250239 Connection ~ 4100 1250240 Wire Wire Line 241 4400 850 4100 850242 Connection ~ 3 750 850232 3650 1300 3650 1150 233 Connection ~ 3650 1150 234 Wire Wire Line 235 3950 750 3650 750 236 Connection ~ 3300 750 243 237 Wire Wire Line 244 238 7350 2850 7600 2850 … … 252 246 1150 1250 1250 1250 253 247 Wire Wire Line 254 9350 4100 9350 4000248 4900 2650 4900 2550 255 249 Wire Wire Line 256 250 6200 1900 6200 2100 … … 261 255 L ramcard-rescue:GND #PWR01 262 256 U 1 1 5066EDF0 263 P 9350 4100264 F 0 "#PWR01" H 9350 4100 30 0001 C CNN265 F 1 "GND" H 9350 4030 30 0001 C CNN266 F 2 "" H 9350 4100 50 0001 C CNN267 F 3 "" H 9350 4100 50 0001 C CNN268 1 9350 4100269 1 0 0 -1 270 $EndComp 271 Text Label 8750 4000 2 60 ~ 0257 P 4900 2650 258 F 0 "#PWR01" H 4900 2650 30 0001 C CNN 259 F 1 "GND" H 4900 2580 30 0001 C CNN 260 F 2 "" H 4900 2650 50 0001 C CNN 261 F 3 "" H 4900 2650 50 0001 C CNN 262 1 4900 2650 263 1 0 0 -1 264 $EndComp 265 Text Label 4300 2550 2 60 ~ 0 272 266 BUSRESET 273 267 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-1 294 288 $EndComp 295 289 $Comp 296 290 L ramcard-rescue:R R5 297 291 U 1 1 5066ED0E 298 P 3 750 2600299 F 0 "R5" V 3 830 2600 50 0000 C CNN300 F 1 "10KR" V 3 750 2600 50 0000 C CNN301 F 2 "Resistor_SMD:R_0805_2012Metric" H 3 750 2600 50 0001 C CNN302 F 3 "" H 3 750 2600 50 0001 C CNN303 1 3 750 2600292 P 3050 3050 293 F 0 "R5" V 3130 3050 50 0000 C CNN 294 F 1 "10KR" V 3050 3050 50 0000 C CNN 295 F 2 "Resistor_SMD:R_0805_2012Metric" H 3050 3050 50 0001 C CNN 296 F 3 "" H 3050 3050 50 0001 C CNN 297 1 3050 3050 304 298 0 -1 -1 0 305 299 $EndComp … … 396 390 L power:VCC #PWR06 397 391 U 1 1 5058E0FB 398 P 2 200 3200399 F 0 "#PWR06" H 2 200 3300 30 0001 C CNN400 F 1 "VCC" H 2 200 3300 30 0000 C CNN401 F 2 "" H 2 200 3200 50 0001 C CNN402 F 3 "" H 2 200 3200 50 0001 C CNN403 1 2 200 3200404 1 0 0 -1 405 $EndComp 406 Text Label 3200 3300 0 60 ~ 0392 P 2700 3350 393 F 0 "#PWR06" H 2700 3450 30 0001 C CNN 394 F 1 "VCC" H 2700 3450 30 0000 C CNN 395 F 2 "" H 2700 3350 50 0001 C CNN 396 F 3 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Part="1"430 AR Path="/5058E053" Ref="SW2" Part="1"431 F 0 "SW2" H 2500 3450 50 0000 C CNN432 F 1 "ROM7" H 2550 3150 50 0000 C CNN433 F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 2700 3300 50 0001 C CNN434 F 3 "" H 2700 3300 50 0001 C CNN435 1 2700 3300436 -1 0 0 1437 $EndComp438 $Comp439 L ramcard-rescue:SWITCH_INV SW3440 U 1 1 5058E041441 411 P 2750 2600 442 F 0 " SW3" H 2550 2750 50 0000C CNN443 F 1 " ROM0" H 2600 2450 50 0000 C CNN444 F 2 " Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 2750 2600 50 0001 C CNN412 F 0 "#PWR07" H 2750 2700 30 0001 C CNN 413 F 1 "VCC" H 2750 2700 30 0000 C CNN 414 F 2 "" H 2750 2600 50 0001 C CNN 445 415 F 3 "" H 2750 2600 50 0001 C CNN 446 416 1 2750 2600 447 -1 0 0 1417 1 0 0 -1 448 418 $EndComp 449 419 $Comp … … 460 430 Text Label 3150 5350 2 60 ~ 0 461 431 A15 462 Text Label 4100 3 150 0 60 ~ 0432 Text Label 4100 3550 0 60 ~ 0 463 433 Q5 464 Text Label 4100 3 550 0 60 ~ 0434 Text Label 4100 3950 0 60 ~ 0 465 435 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050 50 0001 C CNN493 F 3 "" H 8400 3 050 50 0001 C CNN494 1 8400 3 050459 P 8400 3450 460 F 0 "#PWR08" H 8400 3550 30 0001 C CNN 461 F 1 "VCC" H 8400 3550 30 0000 C CNN 462 F 2 "" H 8400 3450 50 0001 C CNN 463 F 3 "" H 8400 3450 50 0001 C CNN 464 1 8400 3450 495 465 1 0 0 -1 496 466 $EndComp … … 498 468 L ramcard-rescue:R R4 499 469 U 1 1 5058D332 500 P 8400 3 300501 F 0 "R4" V 8480 3 300 50 0000 C CNN502 F 1 "1KR" V 8400 3 300 50 0000 C CNN503 F 2 "Resistor_SMD:R_0805_2012Metric" H 8400 3 300 50 0001 C CNN504 F 3 "" H 8400 3 300 50 0001 C CNN505 1 8400 3 300470 P 8400 3700 471 F 0 "R4" V 8480 3700 50 0000 C CNN 472 F 1 "1KR" V 8400 3700 50 0000 C CNN 473 F 2 "Resistor_SMD:R_0805_2012Metric" H 8400 3700 50 0001 C CNN 474 F 3 "" H 8400 3700 50 0001 C CNN 475 1 8400 3700 506 476 -1 0 0 1 507 477 $EndComp … … 520 490 L byteeeprom:29C040 U6 521 491 U 1 1 504C83A0 522 P 8750 15 50523 F 0 "U6" H 8750 15 50 60 0000 C CNN524 F 1 "29C040" V 8700 2 100 60 0000 C CNN525 F 2 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-1 834 804 $EndComp … … 836 806 L ramcard-rescue:C C3 837 807 U 1 1 4CA87151 838 P 4100 1050839 F 0 "C3" H 4150 1150 50 0000 L CNN840 F 1 "C" H 4150 950 50 0000 L CNN841 F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 4100 1050 50 0001 C CNN842 F 3 "" H 4100 1050 50 0001 C CNN843 1 4100 1050808 P 3650 950 809 F 0 "C3" H 3700 1050 50 0000 L CNN 810 F 1 "C" H 3700 850 50 0000 L CNN 811 F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 3650 950 50 0001 C CNN 812 F 3 "" H 3650 950 50 0001 C CNN 813 1 3650 950 844 814 1 0 0 -1 845 815 $EndComp … … 847 817 L ramcard-rescue:CP1 C5 848 818 U 1 1 4CA87146 849 P 3 750 1050850 F 0 "C5" H 3 800 1150 50 0000 L CNN851 F 1 "CP1" H 3 800 950 50 0000 L CNN852 F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 3 750 1050 50 0001 C CNN853 F 3 "" H 3 750 1050 50 0001 C CNN854 1 3 750 1050819 P 3300 950 820 F 0 "C5" H 3350 1050 50 0000 L CNN 821 F 1 "CP1" H 3350 850 50 0000 L CNN 822 F 2 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"http://www.ti.com/lit/gpn/sn74LS138" H 1500 3 000 50 0001 C CNN910 1 1500 3 000911 1 0 0 -1 912 $EndComp 913 Text Label 800 2 700 0 60 ~ 0875 P 1500 3200 876 F 0 "U3" H 1750 3700 50 0000 C CNN 877 F 1 "74LS138" H 1200 3700 50 0000 C CNN 878 F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 1500 3200 50 0001 C CNN 879 F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 1500 3200 50 0001 C CNN 880 1 1500 3200 881 1 0 0 -1 882 $EndComp 883 Text Label 800 2900 0 60 ~ 0 914 884 Q0 915 Text Label 800 2800 0 60 ~ 0885 Text Label 800 3000 0 60 ~ 0 916 886 Q1 917 Text Label 800 2900 0 60 ~ 0887 Text Label 800 3100 0 60 ~ 0 918 888 Q2 919 Text Label 800 3 400 0 60 ~ 0889 Text Label 800 3600 0 60 ~ 0 920 890 Q3 921 Text Label 800 3 300 0 60 ~ 0891 Text Label 800 3500 0 60 ~ 0 922 892 Q4 923 893 Wire Wire Line 924 1000 3300 800 3300 925 Wire Wire Line 926 1000 3400 800 3400 927 Wire Wire Line 928 1000 2700 800 2700 929 Wire Wire Line 930 1000 2800 800 2800 894 1000 3500 800 3500 895 Wire Wire Line 896 1000 3600 800 3600 931 897 Wire Wire Line 932 898 1000 2900 800 2900 933 899 Wire Wire Line 934 7600 3450 7700 3450 900 1000 3000 800 3000 901 Wire Wire Line 902 1000 3100 800 3100 903 Wire Wire Line 904 7600 3850 7700 3850 935 905 $Comp 936 906 L power:VCC #PWR0101 937 907 U 1 1 5EA2D764 938 P 800 3 200939 F 0 "#PWR0101" H 800 3 300 30 0001 C CNN940 F 1 "VCC" H 800 3 300 30 0000 C CNN941 F 2 "" H 800 3 200 50 0001 C CNN942 F 3 "" H 800 3 200 50 0001 C CNN943 1 800 3 200944 1 0 0 -1 945 $EndComp 946 Wire Wire Line 947 800 3 200 1000 3200908 P 800 3400 909 F 0 "#PWR0101" H 800 3500 30 0001 C CNN 910 F 1 "VCC" H 800 3500 30 0000 C CNN 911 F 2 "" H 800 3400 50 0001 C CNN 912 F 3 "" H 800 3400 50 0001 C CNN 913 1 800 3400 914 1 0 0 -1 915 $EndComp 916 Wire Wire Line 917 800 3400 1000 3400 948 918 $Comp 949 919 L 74xx:74LS138 U5 950 920 U 1 1 5EA33331 951 P 4750 3250 952 F 0 "U5" H 4750 4028 50 0000 C CNN 953 F 1 "74LS138" H 4750 3937 50 0000 C CNN 954 F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 4750 3250 50 0001 C CNN 955 F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 4750 3250 50 0001 C CNN 956 1 4750 3250 957 1 0 0 -1 958 $EndComp 959 Wire Wire Line 960 4100 2950 4250 2950 961 Wire Wire Line 962 4100 3050 4250 3050 963 Wire Wire Line 964 4100 3150 4250 3150 921 P 4750 3650 922 F 0 "U5" H 5000 4100 50 0000 C CNN 923 F 1 "74LS138" H 4500 4100 50 0000 C CNN 924 F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 4750 3650 50 0001 C CNN 925 F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 4750 3650 50 0001 C CNN 926 1 4750 3650 927 1 0 0 -1 928 $EndComp 929 Wire Wire Line 930 4100 3350 4250 3350 965 931 Wire Wire Line 966 932 4100 3450 4250 3450 … … 968 934 4100 3550 4250 3550 969 935 Wire Wire Line 970 4100 3650 4250 3650 936 4100 3950 4250 3950 937 Wire Wire Line 938 4100 4050 4250 4050 971 939 Text Label 3150 5150 2 60 ~ 0 972 940 A14 973 941 $Comp 974 942 L 74xx:74LS00 U4 975 U 31 5EA5E912976 P 8000 3 550977 F 0 "U4" H 8000 3 87550 0000 C CNN978 F 1 "74LS00" H 8000 3784 50 0000 C CNN979 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 8000 3 550 50 0001 C CNN980 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 8000 3 550 50 0001 C CNN981 3 8000 3550943 U 4 1 5EA5E912 944 P 8000 3950 945 F 0 "U4" H 8000 3950 50 0000 C CNN 946 F 1 "74LS00" H 8000 4184 50 0000 C CNN 947 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 8000 3950 50 0001 C CNN 948 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 8000 3950 50 0001 C CNN 949 4 8000 3950 982 950 1 0 0 -1 983 951 $EndComp … … 986 954 U 1 1 5EA5E9AD 987 955 P 3600 5250 988 F 0 "U4" H 3600 5 57550 0000 C CNN956 F 0 "U4" H 3600 5250 50 0000 C CNN 989 957 F 1 "74LS00" H 3600 5484 50 0000 C CNN 990 958 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 3600 5250 50 0001 C CNN … … 994 962 $EndComp 995 963 Wire Wire Line 996 7700 3 450 7700 3650997 Connection ~ 7700 3 450964 7700 3850 7700 4050 965 Connection ~ 7700 3850 998 966 $Comp 999 967 L 74xx:74LS00 U4 1000 968 U 2 1 5EA5EC31 1001 969 P 4400 5250 1002 F 0 "U4" H 4400 5 57550 0000 C CNN970 F 0 "U4" H 4400 5250 50 0000 C CNN 1003 971 F 1 "74LS00" H 4400 5484 50 0000 C CNN 1004 972 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 4400 5250 50 0001 C CNN … … 1022 990 Text Label 4850 5250 0 50 ~ 0 1023 991 A14A15 1024 Text Label 4100 3450 0 50 ~ 0992 Text Label 3950 3850 0 50 ~ 0 1025 993 A14A15 1026 994 $Comp 1027 995 L power:VCC #PWR0102 1028 996 U 1 1 5EA8DD43 1029 P 1500 2 1501030 F 0 "#PWR0102" H 1500 2 250 30 0001 C CNN1031 F 1 "VCC" H 1500 2 250 30 0000 C CNN1032 F 2 "" H 1500 2 150 50 0001 C CNN1033 F 3 "" H 1500 2 150 50 0001 C CNN1034 1 1500 2 150997 P 1500 2350 998 F 0 "#PWR0102" H 1500 2450 30 0001 C CNN 999 F 1 "VCC" H 1500 2450 30 0000 C CNN 1000 F 2 "" H 1500 2350 50 0001 C CNN 1001 F 3 "" H 1500 2350 50 0001 C CNN 1002 1 1500 2350 1035 1003 1 0 0 -1 1036 1004 $EndComp … … 1038 1006 L power:VCC #PWR0103 1039 1007 U 1 1 5EA8DD82 1040 P 4750 2400 1041 F 0 "#PWR0103" H 4750 2500 30 0001 C CNN 1042 F 1 "VCC" H 4750 2500 30 0000 C CNN 1043 F 2 "" H 4750 2400 50 0001 C CNN 1044 F 3 "" H 4750 2400 50 0001 C CNN 1045 1 4750 2400 1046 1 0 0 -1 1047 $EndComp 1048 Wire Wire Line 1049 4750 2650 4750 2400 1050 Wire Wire Line 1051 1500 2400 1500 2150 1008 P 4750 3050 1009 F 0 "#PWR0103" H 4750 3150 30 0001 C CNN 1010 F 1 "VCC" H 4750 3150 30 0000 C CNN 1011 F 2 "" H 4750 3050 50 0001 C CNN 1012 F 3 "" H 4750 3050 50 0001 C CNN 1013 1 4750 3050 1014 1 0 0 -1 1015 $EndComp 1016 Wire Wire Line 1017 1500 2600 1500 2350 1052 1018 $Comp 1053 1019 L ramcard-rescue:GND #PWR0104 … … 1064 1030 L ramcard-rescue:GND #PWR0105 1065 1031 U 1 1 5EA99D33 1066 P 4750 4100 1067 F 0 "#PWR0105" H 4750 4100 30 0001 C CNN 1068 F 1 "GND" H 4750 4030 30 0001 C CNN 1069 F 2 "" H 4750 4100 50 0001 C CNN 1070 F 3 "" H 4750 4100 50 0001 C CNN 1071 1 4750 4100 1072 1 0 0 -1 1073 $EndComp 1074 Wire Wire Line 1075 4750 4100 4750 3950 1076 Wire Wire Line 1077 1500 3900 1500 3700 1078 Text Notes 3400 4800 0 50 ~ 0 1079 ROM address space decoding 1080 Text Notes 2000 2250 0 50 ~ 0 1032 P 4750 4500 1033 F 0 "#PWR0105" H 4750 4500 30 0001 C CNN 1034 F 1 "GND" H 4750 4430 30 0001 C CNN 1035 F 2 "" H 4750 4500 50 0001 C CNN 1036 F 3 "" H 4750 4500 50 0001 C CNN 1037 1 4750 4500 1038 1 0 0 -1 1039 $EndComp 1040 Wire Wire Line 1041 4750 4500 4750 4350 1042 Text Notes 2950 4800 0 50 ~ 0 1043 ROM address space access (C000-FFFF) decoding 1044 Text Notes 550 2250 0 50 ~ 0 1081 1045 Disable switches 1082 Text Notes 2000 650 0 50 ~ 01046 Text Notes 500 600 0 50 ~ 0 1083 1047 Write protect switch 1084 1048 $Comp 1085 1049 L 74xx:74LS00 U4 1086 1050 U 5 1 5EAC5D80 1087 P 3600 4050 1088 F 0 "U4" H 3830 4096 50 0000 L CNN 1089 F 1 "74LS00" H 3830 4005 50 0000 L CNN 1090 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 3600 4050 50 0001 C CNN 1091 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 3600 4050 50 0001 C CNN 1092 5 3600 4050 1093 1 0 0 -1 1094 $EndComp 1095 $Comp 1096 L power:VCC #PWR010 1097 U 1 1 5EAC5E6B 1098 P 3600 3550 1099 F 0 "#PWR010" H 3600 3650 30 0001 C CNN 1100 F 1 "VCC" H 3600 3650 30 0000 C CNN 1101 F 2 "" H 3600 3550 50 0001 C CNN 1102 F 3 "" H 3600 3550 50 0001 C CNN 1103 1 3600 3550 1104 1 0 0 -1 1105 $EndComp 1106 $Comp 1107 L ramcard-rescue:GND #PWR017 1108 U 1 1 5EAC5EAC 1109 P 3600 4550 1110 F 0 "#PWR017" H 3600 4550 30 0001 C CNN 1111 F 1 "GND" H 3600 4480 30 0001 C CNN 1112 F 2 "" H 3600 4550 50 0001 C CNN 1113 F 3 "" H 3600 4550 50 0001 C CNN 1114 1 3600 4550 1051 P 4450 1000 1052 F 0 "U4" H 4680 1046 50 0000 L CNN 1053 F 1 "74LS00" H 4680 955 50 0000 L CNN 1054 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 4450 1000 50 0001 C CNN 1055 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 4450 1000 50 0001 C CNN 1056 5 4450 1000 1115 1057 1 0 0 -1 1116 1058 $EndComp … … 1130 1072 Wire Wire Line 1131 1073 5100 950 5100 1050 1132 NoConn ~ 2000 28001133 NoConn ~ 2000 29001134 1074 NoConn ~ 2000 3000 1135 1075 NoConn ~ 2000 3100 1136 1076 NoConn ~ 2000 3200 1137 1077 NoConn ~ 2000 3300 1138 NoConn ~ 5250 2950 1139 NoConn ~ 5250 3050 1140 NoConn ~ 5250 3150 1078 NoConn ~ 2000 3400 1079 NoConn ~ 2000 3500 1141 1080 NoConn ~ 5250 3350 1142 1081 NoConn ~ 5250 3450 1143 NoConn ~ 5250 36501144 Wire Wire Line1145 5250 3250 6000 32501146 Wire Wire Line1147 6000 3250 6000 35501148 Wire Wire Line1149 6400 3550 6000 35501150 1082 NoConn ~ 5250 3550 1083 NoConn ~ 5250 3750 1084 NoConn ~ 5250 3850 1085 Wire Wire Line 1086 6000 3650 6000 3950 1087 Wire Wire Line 1088 6400 3950 6000 3950 1089 NoConn ~ 5250 3950 1090 Text Notes 5150 4250 0 50 ~ 0 1091 Use Q7 for ROMs 32-63. 1092 $Comp 1093 L 74xx:74LS00 U4 1094 U 3 1 5E9C8E7F 1095 P 1200 1900 1096 F 0 "U4" H 1200 1900 50 0000 C CNN 1097 F 1 "74LS00" H 1200 2134 50 0000 C CNN 1098 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 1200 1900 50 0001 C CNN 1099 F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 1200 1900 50 0001 C CNN 1100 3 1200 1900 1101 1 0 0 -1 1102 $EndComp 1103 $Comp 1104 L ramcard-rescue:GND #PWR018 1105 U 1 1 5E9C8FE5 1106 P 700 2000 1107 F 0 "#PWR018" H 700 2000 30 0001 C CNN 1108 F 1 "GND" H 700 1930 30 0001 C CNN 1109 F 2 "" H 700 2000 50 0001 C CNN 1110 F 3 "" H 700 2000 50 0001 C CNN 1111 1 700 2000 1112 1 0 0 -1 1113 $EndComp 1114 Wire Wire Line 1115 700 2000 700 1900 1116 Wire Wire Line 1117 700 1900 900 1900 1118 Wire Wire Line 1119 900 1900 900 2000 1120 Wire Wire Line 1121 900 1900 900 1800 1122 Connection ~ 900 1900 1123 NoConn ~ 1500 1900 1124 $Comp 1125 L Jumper:Jumper_3_Open JP2 1126 U 1 1 5E9DD4D0 1127 P 2500 2900 1128 F 0 "JP2" V 2500 3032 50 0000 C CNN 1129 F 1 "Jumper_3_Open" H 2350 3200 50 0000 C CNN 1130 F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 2500 2900 50 0001 C CNN 1131 F 3 "~" H 2500 2900 50 0001 C CNN 1132 1 2500 2900 1133 1 0 0 -1 1134 $EndComp 1135 $Comp 1136 L Jumper:Jumper_3_Open JP1 1137 U 1 1 5E9DD59C 1138 P 2450 3600 1139 F 0 "JP1" H 2450 3824 50 0000 C CNN 1140 F 1 "Jumper_3_Open" H 2450 3350 50 0000 C CNN 1141 F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 2450 3600 50 0001 C CNN 1142 F 3 "~" H 2450 3600 50 0001 C CNN 1143 1 2450 3600 1144 1 0 0 -1 1145 $EndComp 1146 Wire Wire Line 1147 2500 3050 2800 3050 1148 Wire Wire Line 1149 3300 3150 3300 3050 1150 Wire Wire Line 1151 2450 3750 2750 3750 1152 Wire Wire Line 1153 2700 3600 2700 3350 1154 Wire Wire Line 1155 2750 2900 2750 2600 1156 $Comp 1157 L Device:Jumper_NC_Small JP3 1158 U 1 1 5EA3F157 1159 P 5650 3650 1160 F 0 "JP3" H 5650 3862 50 0000 C CNN 1161 F 1 "Jumper_NC_Small" H 5650 3771 50 0000 C CNN 1162 F 2 "Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm" H 5650 3650 50 0001 C CNN 1163 F 3 "~" H 5650 3650 50 0001 C CNN 1164 1 5650 3650 1165 1 0 0 -1 1166 $EndComp 1167 $Comp 1168 L Device:Jumper_NO_Small JP4 1169 U 1 1 5EA3F293 1170 P 5650 4050 1171 F 0 "JP4" H 5650 4235 50 0000 C CNN 1172 F 1 "Jumper_NO_Small" H 5650 4144 50 0000 C CNN 1173 F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 5650 4050 50 0001 C CNN 1174 F 3 "~" H 5650 4050 50 0001 C CNN 1175 1 5650 4050 1176 1 0 0 -1 1177 $EndComp 1178 Wire Wire Line 1179 5250 3650 5550 3650 1180 Wire Wire Line 1181 5750 3650 6000 3650 1182 Wire Wire Line 1183 5250 4050 5550 4050 1184 Wire Wire Line 1185 5750 4050 6000 4050 1186 Wire Wire Line 1187 6000 4050 6000 3950 1188 Connection ~ 6000 3950 1189 Wire Wire Line 1190 4450 500 3950 500 1191 Wire Wire Line 1192 3950 500 3950 750 1193 Connection ~ 3950 750 1194 Wire Wire Line 1195 3950 1500 3950 1150 1196 Connection ~ 3950 1150 1197 Wire Wire Line 1198 4250 3850 3950 3850 1199 Text Notes 2850 2850 0 50 ~ 0 1200 All ROMs disabled \nwhen jumper unplugged 1201 Wire Notes Line 1202 500 1500 1650 1500 1203 Wire Notes Line 1204 2800 500 2800 1600 1205 Wire Notes Line 1206 2800 1600 5000 1600 1207 Wire Notes Line 1208 7900 2500 7900 450 1209 Wire Notes Line 1210 5000 2500 9550 2500 1211 Wire Notes Line 1212 2850 4000 2850 5500 1213 Wire Notes Line 1214 1650 1500 1650 2100 1215 Wire Notes Line 1216 3800 2100 3800 4000 1217 Wire Notes Line 1218 500 4000 3800 4000 1219 Wire Notes Line 1220 2850 4700 5250 4700 1221 Wire Notes Line 1222 5000 500 5000 3100 1223 Wire Notes Line 1224 5000 3100 9550 3100 1225 Wire Notes Line 1226 5000 2750 3800 2750 1227 Text Notes 3850 2250 0 50 ~ 0 1228 Reset button 1229 Wire Notes Line 1230 500 2100 5000 2100 1231 Text Notes 500 1600 0 50 ~ 0 1232 Unused gate 1233 Text Notes 2900 600 0 50 ~ 0 1234 Power distribution 1235 Wire Wire Line 1236 4450 1500 3950 1500 1151 1237 Wire Bus Line 1152 1238 6200 800 6500 800 1153 Text Notes 4900 3900 0 50 ~ 01154 Use Q7 instead for ROMs 32-63.1155 1239 $EndSCHEMATC
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