source: avrstuff/CPC stuff/gordon/ramcard.sch@ 1d60f7b

main
Last change on this file since 1d60f7b was 1d60f7b, checked in by Adrien Destugues <pulkomandy@…>, 11 years ago

swap write switch pins to match hardware...
This version is confirmed working.

git-svn-id: svn://pulkomandy.tk/avrstuff@81 c6672c3c-f6b6-47f9-9001-1fd6b12fecbe

  • Property mode set to 100644
File size: 20.0 KB
Line 
1EESchema Schematic File Version 2 date 28/11/2012 19:25:03
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$Descr User 10000 6000
17encoding utf-8
18Sheet 1 1
19Title "Ramcard"
20Date "28 nov 2012"
21Rev ""
22Comp "Ram7"
23Comment1 "Retro analyzed from PCB"
24Comment2 ""
25Comment3 ""
26Comment4 ""
27$EndDescr
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37Wire Wire Line
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867Text Label 9300 1250 0 60 ~ 0
868D6
869Text Label 9300 1150 0 60 ~ 0
870D5
871Text Label 9300 1050 0 60 ~ 0
872D4
873Text Label 9300 950 0 60 ~ 0
874D3
875Text Label 9300 850 0 60 ~ 0
876D2
877Text Label 9300 750 0 60 ~ 0
878D1
879Text Label 9300 650 0 60 ~ 0
880D0
881Text Notes 1600 5050 0 60 ~ 0
882register
883Text Notes 6700 3200 0 60 ~ 0
884Rom active notification
885Text GLabel 9050 3550 2 60 Output ~ 0
886ROMDIS
887NoConn ~ 7400 950
888NoConn ~ 7500 950
889NoConn ~ 7600 950
890NoConn ~ 7700 950
891NoConn ~ 5300 950
892NoConn ~ 5300 2100
893NoConn ~ 6700 2100
894NoConn ~ 7000 2100
895NoConn ~ 7100 2100
896NoConn ~ 7200 2100
897NoConn ~ 7300 2100
898NoConn ~ 7500 2100
899NoConn ~ 7600 2100
900Text Notes 5050 2350 1 60 ~ 0
901\ncpc connector
902Text Notes 5650 2600 0 60 ~ 0
903OUT Decoder
904Text GLabel 5950 2950 0 60 Input ~ 0
905WR
906Text GLabel 6900 2150 3 60 Output ~ 0
907WR
908$Comp
909L GND #PWR015
910U 1 1 4CA89326
911P 7800 2150
912F 0 "#PWR015" H 7800 2150 30 0001 C CNN
913F 1 "GND" H 7800 2080 30 0001 C CNN
914 1 7800 2150
915 0 -1 -1 0
916$EndComp
917Text GLabel 6800 2150 3 60 Output ~ 0
918IORQ
919Text GLabel 5950 2750 0 60 Input ~ 0
920IORQ
921$Comp
922L 74LS32 U2
923U 4 1 4CA89162
924P 6750 2850
925F 0 "U2" H 6750 2900 60 0000 C CNN
926F 1 "74LS32" H 6750 2800 60 0000 C CNN
927 4 6750 2850
928 1 0 0 -1
929$EndComp
930Text GLabel 9050 2750 2 60 Output ~ 0
931ROMSEL
932Text GLabel 900 5250 0 60 Input ~ 0
933ROMSEL
934$Comp
935L 74LS32 U2
936U 3 1 4CA89099
937P 8200 2750
938F 0 "U2" H 8200 2800 60 0000 C CNN
939F 1 "74LS32" H 8200 2700 60 0000 C CNN
940 3 8200 2750
941 1 0 0 1
942$EndComp
943$Comp
944L GND #PWR016
945U 1 1 4CA88AFC
946P 900 5400
947F 0 "#PWR016" H 900 5400 30 0001 C CNN
948F 1 "GND" H 900 5330 30 0001 C CNN
949 1 900 5400
950 1 0 0 -1
951$EndComp
952Text Notes 1150 4200 0 60 ~ 0
953Current ROM number storage
954Text Notes 600 2750 0 60 ~ 0
955comparator
956$Comp
957L 74LS32 U2
958U 1 1 4CA87CE5
959P 6200 3450
960F 0 "U2" H 6200 3500 60 0000 C CNN
961F 1 "74LS32" H 6200 3400 60 0000 C CNN
962 1 6200 3450
963 1 0 0 1
964$EndComp
965$Comp
966L C C4
967U 1 1 4CA87152
968P 9300 4200
969F 0 "C4" H 9350 4300 50 0000 L CNN
970F 1 "C" H 9350 4100 50 0000 L CNN
971 1 9300 4200
972 1 0 0 -1
973$EndComp
974$Comp
975L C C3
976U 1 1 4CA87151
977P 9000 4200
978F 0 "C3" H 9050 4300 50 0000 L CNN
979F 1 "C" H 9050 4100 50 0000 L CNN
980 1 9000 4200
981 1 0 0 -1
982$EndComp
983$Comp
984L CP1 C5
985U 1 1 4CA87146
986P 8650 4200
987F 0 "C5" H 8700 4300 50 0000 L CNN
988F 1 "CP1" H 8700 4100 50 0000 L CNN
989 1 8650 4200
990 1 0 0 -1
991$EndComp
992$Comp
993L CONN_25X2 P1
994U 1 1 4CA8712F
995P 6500 1500
996F 0 "P1" H 6500 2800 60 0000 C CNN
997F 1 "CONN_25X2" V 6500 1500 50 0000 C CNN
998 1 6500 1500
999 0 -1 -1 0
1000$EndComp
1001$Comp
1002L C C2
1003U 1 1 4CA870EF
1004P 8300 4200
1005F 0 "C2" H 8350 4300 50 0000 L CNN
1006F 1 "C" H 8350 4100 50 0000 L CNN
1007 1 8300 4200
1008 1 0 0 -1
1009$EndComp
1010$Comp
1011L R R2
1012U 1 1 4CA870D9
1013P 1350 3050
1014F 0 "R2" V 1430 3050 50 0000 C CNN
1015F 1 "1KR" V 1350 3050 50 0000 C CNN
1016 1 1350 3050
1017 -1 0 0 1
1018$EndComp
1019$Comp
1020L DIODE D13
1021U 1 1 4CA870AA
1022P 8700 3550
1023F 0 "D13" H 8700 3650 40 0000 C CNN
1024F 1 "DIODE" H 8700 3450 40 0000 C CNN
1025 1 8700 3550
1026 1 0 0 -1
1027$EndComp
1028$EndSCHEMATC
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