ramcard.sch@ f249d93

main

Last change on this file since f249d93 was f249d93, checked in by Adrien Destugues <pulkomandy@…>, 11 years ago

Oops !
Missing chip enable connection to the flash chip.
This actually made me spot some ways to clean up the routing, but the first batch of board will have a Little Blue Strap (tm) on them.

git-svn-id: svn://pulkomandy.tk/avrstuff@77 c6672c3c-f6b6-47f9-9001-1fd6b12fecbe

Property mode set to 100644

File size: 20.2 KB

Line
1	EESchema Schematic File Version 2 date 17/11/2012 12:11:23
2	LIBS:device
3	LIBS:power
4	LIBS:transistors
5	LIBS:conn
6	LIBS:linear
7	LIBS:74xx
8	LIBS:special
9	LIBS:interface
10	LIBS:contrib
11	LIBS:valves
12	LIBS:byteeeprom
13	LIBS:ramcard-cache
14	EELAYER 25 0
15	EELAYER END
16	$Descr User 10000 6000
17	encoding utf-8
18	Sheet 1 1
19	Title "Ramcard"
20	Date "17 nov 2012"
21	Rev ""
22	Comp "Ram7"
23	Comment1 "Retro analyzed from PCB"
24	Comment2 ""
25	Comment3 ""
26	Comment4 ""
27	$EndDescr
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33	Wire Wire Line
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35	Wire Wire Line
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44	Wire Wire Line
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783	A0
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791	A12
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797	A9
798	Text Label 5700 950 1 60 ~ 0
799	A8
800	Text Label 5800 2050 1 60 ~ 0
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802	Text Label 5800 950 1 60 ~ 0
803	A6
804	Text Label 5900 2050 1 60 ~ 0
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806	Text Label 5900 950 1 60 ~ 0
807	A4
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812	Text Label 6100 2050 1 60 ~ 0
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814	Text Label 6100 950 1 60 ~ 0
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817	D7
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832	Entry Wire Line
833	6500 800 6400 700
834	Entry Wire Line
835	6400 800 6300 700
836	Entry Wire Line
837	6300 800 6200 700
838	Entry Wire Line
839	6200 800 6100 700
840	Entry Wire Line
841	6500 2200 6400 2100
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843	6400 2200 6300 2100
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845	6300 2200 6200 2100
846	Entry Wire Line
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859	D4
860	Text Label 6400 950 1 60 ~ 0
861	D2
862	Text Label 6500 950 1 60 ~ 0
863	D0
864	$Comp
865	L GND #PWR014
866	U 1 1 4DBBE106
867	P 9300 2450
868	F 0 "#PWR014" H 9300 2450 30 0001 C CNN
869	F 1 "GND" H 9300 2380 30 0001 C CNN
870	1 9300 2450
871	0 -1 -1 0
872	$EndComp
873	Text GLabel 7400 2100 3 60 Input ~ 0
874	ROMDIS
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876	D7
877	Text Label 9300 1250 0 60 ~ 0
878	D6
879	Text Label 9300 1150 0 60 ~ 0
880	D5
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898	NoConn ~ 7500 950
899	NoConn ~ 7600 950
900	NoConn ~ 7700 950
901	NoConn ~ 5300 950
902	NoConn ~ 5300 2100
903	NoConn ~ 6700 2100
904	NoConn ~ 7000 2100
905	NoConn ~ 7100 2100
906	NoConn ~ 7200 2100
907	NoConn ~ 7300 2100
908	NoConn ~ 7500 2100
909	NoConn ~ 7600 2100
910	Text Notes 5050 2350 1 60 ~ 0
911	\ncpc connector
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913	OUT Decoder
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915	WR
916	Text GLabel 6900 2150 3 60 Output ~ 0
917	WR
918	$Comp
919	L GND #PWR015
920	U 1 1 4CA89326
921	P 7800 2150
922	F 0 "#PWR015" H 7800 2150 30 0001 C CNN
923	F 1 "GND" H 7800 2080 30 0001 C CNN
924	1 7800 2150
925	0 -1 -1 0
926	$EndComp
927	Text GLabel 6800 2150 3 60 Output ~ 0
928	IORQ
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930	IORQ
931	$Comp
932	L 74LS32 U2
933	U 4 1 4CA89162
934	P 6750 2850
935	F 0 "U2" H 6750 2900 60 0000 C CNN
936	F 1 "74LS32" H 6750 2800 60 0000 C CNN
937	4 6750 2850
938	1 0 0 -1
939	$EndComp
940	Text GLabel 9050 2750 2 60 Output ~ 0
941	ROMSEL
942	Text GLabel 900 5250 0 60 Input ~ 0
943	ROMSEL
944	$Comp
945	L 74LS32 U2
946	U 3 1 4CA89099
947	P 8200 2750
948	F 0 "U2" H 8200 2800 60 0000 C CNN
949	F 1 "74LS32" H 8200 2700 60 0000 C CNN
950	3 8200 2750
951	1 0 0 1
952	$EndComp
953	$Comp
954	L GND #PWR016
955	U 1 1 4CA88AFC
956	P 900 5400
957	F 0 "#PWR016" H 900 5400 30 0001 C CNN
958	F 1 "GND" H 900 5330 30 0001 C CNN
959	1 900 5400
960	1 0 0 -1
961	$EndComp
962	Text Notes 1150 4200 0 60 ~ 0
963	Current ROM number storage
964	Text Notes 600 2750 0 60 ~ 0
965	comparator
966	$Comp
967	L 74LS32 U2
968	U 1 1 4CA87CE5
969	P 6200 3450
970	F 0 "U2" H 6200 3500 60 0000 C CNN
971	F 1 "74LS32" H 6200 3400 60 0000 C CNN
972	1 6200 3450
973	1 0 0 1
974	$EndComp
975	$Comp
976	L C C4
977	U 1 1 4CA87152
978	P 9300 4200
979	F 0 "C4" H 9350 4300 50 0000 L CNN
980	F 1 "C" H 9350 4100 50 0000 L CNN
981	1 9300 4200
982	1 0 0 -1
983	$EndComp
984	$Comp
985	L C C3
986	U 1 1 4CA87151
987	P 9000 4200
988	F 0 "C3" H 9050 4300 50 0000 L CNN
989	F 1 "C" H 9050 4100 50 0000 L CNN
990	1 9000 4200
991	1 0 0 -1
992	$EndComp
993	$Comp
994	L CP1 C5
995	U 1 1 4CA87146
996	P 8650 4200
997	F 0 "C5" H 8700 4300 50 0000 L CNN
998	F 1 "CP1" H 8700 4100 50 0000 L CNN
999	1 8650 4200
1000	1 0 0 -1
1001	$EndComp
1002	$Comp
1003	L CONN_25X2 P1
1004	U 1 1 4CA8712F
1005	P 6500 1500
1006	F 0 "P1" H 6500 2800 60 0000 C CNN
1007	F 1 "CONN_25X2" V 6500 1500 50 0000 C CNN
1008	1 6500 1500
1009	0 -1 -1 0
1010	$EndComp
1011	$Comp
1012	L C C2
1013	U 1 1 4CA870EF
1014	P 8300 4200
1015	F 0 "C2" H 8350 4300 50 0000 L CNN
1016	F 1 "C" H 8350 4100 50 0000 L CNN
1017	1 8300 4200
1018	1 0 0 -1
1019	$EndComp
1020	$Comp
1021	L R R2
1022	U 1 1 4CA870D9
1023	P 1350 3050
1024	F 0 "R2" V 1430 3050 50 0000 C CNN
1025	F 1 "1KR" V 1350 3050 50 0000 C CNN
1026	1 1350 3050
1027	-1 0 0 1
1028	$EndComp
1029	$Comp
1030	L DIODE D13
1031	U 1 1 4CA870AA
1032	P 8700 3550
1033	F 0 "D13" H 8700 3650 40 0000 C CNN
1034	F 1 "DIODE" H 8700 3450 40 0000 C CNN
1035	1 8700 3550
1036	1 0 0 -1
1037	$EndComp
1038	$EndSCHEMATC

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