source: avrstuff/CPC stuff/gordon/ramcard.sch@ 8fdcef1

main
Last change on this file since 8fdcef1 was 8fdcef1, checked in by Adrien Destugues <pulkomandy@…>, 12 years ago
  • Finished schematic (now a clearer version of the MegaFlash one)
  • Started a first try at routing.

git-svn-id: svn://pulkomandy.tk/avrstuff@71 c6672c3c-f6b6-47f9-9001-1fd6b12fecbe

  • Property mode set to 100644
File size: 19.4 KB
Line 
1EESchema Schematic File Version 2 date 19/09/2012 21:31:40
2LIBS:device
3LIBS:power
4LIBS:transistors
5LIBS:conn
6LIBS:linear
7LIBS:74xx
8LIBS:special
9LIBS:interface
10LIBS:contrib
11LIBS:valves
12LIBS:byteeeprom
13LIBS:ramcard-cache
14EELAYER 25 0
15EELAYER END
16$Descr User 10000 6000
17encoding utf-8
18Sheet 1 1
19Title "Ramcard"
20Date "19 sep 2012"
21Rev ""
22Comp "Ram7"
23Comment1 "Retro analyzed from PCB"
24Comment2 ""
25Comment3 ""
26Comment4 ""
27$EndDescr
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32Wire Wire Line
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37Wire Wire Line
38 3450 2150 2900 2150
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42 1900 1750 2000 1750
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870Text Notes 5650 2600 0 60 ~ 0
871OUT Decoder
872Text GLabel 5950 2950 0 60 Input ~ 0
873WR
874Text GLabel 6900 2150 3 60 Output ~ 0
875WR
876$Comp
877L GND #PWR013
878U 1 1 4CA89326
879P 7800 2150
880F 0 "#PWR013" H 7800 2150 30 0001 C CNN
881F 1 "GND" H 7800 2080 30 0001 C CNN
882 1 7800 2150
883 0 -1 -1 0
884$EndComp
885Text GLabel 6800 2150 3 60 Output ~ 0
886IORQ
887Text GLabel 5950 2750 0 60 Input ~ 0
888IORQ
889$Comp
890L 74LS32 U2
891U 4 1 4CA89162
892P 6750 2850
893F 0 "U2" H 6750 2900 60 0000 C CNN
894F 1 "74LS32" H 6750 2800 60 0000 C CNN
895 4 6750 2850
896 1 0 0 -1
897$EndComp
898Text GLabel 9050 2750 2 60 Output ~ 0
899ROMSEL
900Text GLabel 900 5250 0 60 Input ~ 0
901ROMSEL
902$Comp
903L 74LS32 U2
904U 3 1 4CA89099
905P 8200 2750
906F 0 "U2" H 8200 2800 60 0000 C CNN
907F 1 "74LS32" H 8200 2700 60 0000 C CNN
908 3 8200 2750
909 1 0 0 1
910$EndComp
911$Comp
912L GND #PWR014
913U 1 1 4CA88AFC
914P 900 5400
915F 0 "#PWR014" H 900 5400 30 0001 C CNN
916F 1 "GND" H 900 5330 30 0001 C CNN
917 1 900 5400
918 1 0 0 -1
919$EndComp
920Text Notes 1150 4200 0 60 ~ 0
921Current ROM number storage
922Text Notes 600 2750 0 60 ~ 0
923comparator
924$Comp
925L 74LS32 U2
926U 1 1 4CA87CE5
927P 6200 3450
928F 0 "U2" H 6200 3500 60 0000 C CNN
929F 1 "74LS32" H 6200 3400 60 0000 C CNN
930 1 6200 3450
931 1 0 0 1
932$EndComp
933$Comp
934L C C4
935U 1 1 4CA87152
936P 9300 4200
937F 0 "C4" H 9350 4300 50 0000 L CNN
938F 1 "C" H 9350 4100 50 0000 L CNN
939 1 9300 4200
940 1 0 0 -1
941$EndComp
942$Comp
943L C C3
944U 1 1 4CA87151
945P 9000 4200
946F 0 "C3" H 9050 4300 50 0000 L CNN
947F 1 "C" H 9050 4100 50 0000 L CNN
948 1 9000 4200
949 1 0 0 -1
950$EndComp
951$Comp
952L CP1 C5
953U 1 1 4CA87146
954P 8650 4200
955F 0 "C5" H 8700 4300 50 0000 L CNN
956F 1 "CP1" H 8700 4100 50 0000 L CNN
957 1 8650 4200
958 1 0 0 -1
959$EndComp
960$Comp
961L CONN_25X2 P1
962U 1 1 4CA8712F
963P 6500 1500
964F 0 "P1" H 6500 2800 60 0000 C CNN
965F 1 "CONN_25X2" V 6500 1500 50 0000 C CNN
966 1 6500 1500
967 0 -1 -1 0
968$EndComp
969$Comp
970L C C2
971U 1 1 4CA870EF
972P 8300 4200
973F 0 "C2" H 8350 4300 50 0000 L CNN
974F 1 "C" H 8350 4100 50 0000 L CNN
975 1 8300 4200
976 1 0 0 -1
977$EndComp
978$Comp
979L R R2
980U 1 1 4CA870D9
981P 1350 3050
982F 0 "R2" V 1430 3050 50 0000 C CNN
983F 1 "1KR" V 1350 3050 50 0000 C CNN
984 1 1350 3050
985 -1 0 0 1
986$EndComp
987$Comp
988L DIODE D13
989U 1 1 4CA870AA
990P 8700 3550
991F 0 "D13" H 8700 3650 40 0000 C CNN
992F 1 "DIODE" H 8700 3450 40 0000 C CNN
993 1 8700 3550
994 1 0 0 -1
995$EndComp
996$EndSCHEMATC
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