nova.sch@ 62f4d54

main

Last change on this file since 62f4d54 was ee21858, checked in by PulkoMandy <pulkomandy@…>, 3 years ago

Nova: add softreset handling

This was making the circuit too complicated, so use a GAL to integrate
some of the logic. Let's see how this works out!

Property mode set to 100644

File size: 20.8 KB

Line
1	EESchema Schematic File Version 4
2	LIBS:nova-cache
3	EELAYER 30 0
4	EELAYER END
5	$Descr User 10000 6000
6	encoding utf-8
7	Sheet 1 1
8	Title "Nova 2021"
9	Date "2021-02-23"
10	Rev "1.0"
11	Comp "PulkoTronics"
12	Comment1 "RTC/NVRAM expansion for Amstrad CPC 6128/Plus"
13	Comment2 ""
14	Comment3 ""
15	Comment4 ""
16	$EndDescr
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23	Wire Wire Line
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27	Wire Wire Line
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29	Wire Wire Line
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109	Wire Wire Line
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111	Wire Wire Line
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113	Wire Wire Line
114	1050 1950 850 1950
115	Text GLabel 1700 2150 2 60 Output ~ 0
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118	NoConn ~ 1700 2450
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180	NoConn ~ 1700 3150
181	NoConn ~ 1700 3250
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183	NoConn ~ 850 2250
184	NoConn ~ 850 2550
185	NoConn ~ 850 2650
186	NoConn ~ 850 2750
187	NoConn ~ 850 3150
188	Text GLabel 800 2450 0 60 Output ~ 0
189	WR
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200	F 3 "" H 8800 1600 50 0001 C CNN
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232	F 2 "Capacitor_SMD:C_1206_3216Metric" H 8488 1600 50 0001 C CNN
233	F 3 "~" H 8450 1750 50 0001 C CNN
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236	$EndComp
237	$Comp
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242	F 1 "CP" H 9368 1705 50 0000 L CNN
243	F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 9288 1600 50 0001 C CNN
244	F 3 "~" H 9250 1750 50 0001 C CNN
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253	Connection ~ 8450 1600
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258	Connection ~ 8000 1900
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286	F 3 "" H 9450 1250 50 0001 C CNN
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290	$Comp
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308	F 1 "M48T35Y-70MH1F" H 4350 3281 60 0000 C CNN
309	F 2 "NVRAM:M48T35Y-70MH1F" H 4350 3240 60 0001 C CNN
310	F 3 "" H 3550 2900 60 0000 C CNN
311	1 3550 2900
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313	$EndComp
314	$Comp
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319	F 1 "M48T35Y-70MH1F" H 8650 1231 60 0000 C CNN
320	F 2 "NVRAM:M48T35Y-70MH1F" H 8650 1290 60 0001 C CNN
321	F 3 "" H 7850 950 60 0000 C CNN
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427	F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 1100 3900 50 0001 C CNN
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438	F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 1100 4650 50 0001 C CNN
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449	F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 1100 4250 50 0001 C CNN
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460	F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 2200 4450 50 0001 C CNN
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553	Wire Wire Line
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559	Wire Wire Line
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578	F 3 "http://www.ti.com/lit/gpn/sn74LS30" H 2800 1550 50 0001 C CNN
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605	F 3 "" H 6200 2300 50 0001 C CNN
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618	F 3 "" H 6450 700 50 0001 C CNN
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622	$Comp
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629	F 3 "" H 2200 5150 50 0001 C CNN
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640	F 3 "" H 2200 3850 50 0001 C CNN
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673	F 1 "VCC" H 7850 2750 30 0000 C CNN
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675	F 3 "" H 7850 2650 50 0001 C CNN
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677	0 -1 -1 0
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679	Text Notes 2650 2250 0 50 ~ 0
680	MAPSEL is 0 on OUT FE82\nSHRESET is 0 on RESET or OUT F8FF,xx (soft reset)
681	Text Notes 5650 4150 0 50 ~ 0
682	RAM is enabled when SEL2=0 and SEL3=1\nAddress is selected by MAP1-3\n\nOUT FE82,0x -> map at 0000\nOUT FE82,2x -> map at 2000\nOUT FE82,4x -> map at 4000\n...\nOUT FE82,Ex -> map at E000\n\nPage is selected by SEL0-1\n(1 or 4 8K-pages available)\nOUT FE82,x8 -> Page 0\nOUT FE82,x9 -> Page 1\nOUT FE82,xA -> Page 2\nOUT FE82,xB -> Page 3\n\nOUT FE82,x0-x7 or xC-xF to disable the mapping
683	$Comp
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689	F 2 "Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm" H 6450 1500 50 0001 C CNN
690	F 3 "http://www.ti.com/lit/gpn/sn74LS273" H 6450 1500 50 0001 C CNN
691	1 6450 1500
692	1 0 0 -1
693	$EndComp
694	$Comp
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697	P 1250 2050
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699	F 1 "Conn_02x25_Odd_Even" H 1300 3376 50 0000 C CNN
700	F 2 "Connector_PinHeader_2.54mm:PinHeader_2x25_P2.54mm_Vertical" H 1250 2050 50 0001 C CNN
701	F 3 "~" H 1250 2050 50 0001 C CNN
702	1 1250 2050
703	1 0 0 -1
704	$EndComp
705	Text Label 850 2850 2 50 ~ 0
706	RESET
707	Text Label 5950 2000 2 50 ~ 0
708	SHRESET
709	$Comp
710	L Device:C C4
711	U 1 1 6043410B
712	P 8800 1750
713	F 0 "C4" H 8915 1796 50 0000 L CNN
714	F 1 "C" H 8915 1705 50 0000 L CNN
715	F 2 "Capacitor_SMD:C_1206_3216Metric" H 8838 1600 50 0001 C CNN
716	F 3 "~" H 8800 1750 50 0001 C CNN
717	1 8800 1750
718	1 0 0 -1
719	$EndComp
720	$Comp
721	L power:GND #PWR01
722	U 1 1 604341B3
723	P 800 3250
724	F 0 "#PWR01" H 800 3000 50 0001 C CNN
725	F 1 "GND" H 805 3077 50 0000 C CNN
726	F 2 "" H 800 3250 50 0001 C CNN
727	F 3 "" H 800 3250 50 0001 C CNN
728	1 800 3250
729	1 0 0 -1
730	$EndComp
731	$Comp
732	L power:GND #PWR016
733	U 1 1 604341EA
734	P 8800 1950
735	F 0 "#PWR016" H 8800 1700 50 0001 C CNN
736	F 1 "GND" H 8805 1777 50 0000 C CNN
737	F 2 "" H 8800 1950 50 0001 C CNN
738	F 3 "" H 8800 1950 50 0001 C CNN
739	1 8800 1950
740	1 0 0 -1
741	$EndComp
742	Wire Notes Line
743	2200 500 2200 3500
744	Wire Notes Line
745	2200 3500 500 3500
746	Wire Notes Line
747	7400 600 7400 2750
748	Wire Notes Line
749	7400 2750 9500 2750
750	$Comp
751	L power:VCC #PWR07
752	U 1 1 604C231B
753	P 4800 800
754	F 0 "#PWR07" H 4800 900 30 0001 C CNN
755	F 1 "VCC" H 4800 900 30 0000 C CNN
756	F 2 "" H 4800 800 50 0001 C CNN
757	F 3 "" H 4800 800 50 0001 C CNN
758	1 4800 800
759	1 0 0 -1
760	$EndComp
761	$Comp
762	L power:GND #PWR08
763	U 1 1 604C234E
764	P 4800 2200
765	F 0 "#PWR08" H 4800 1950 50 0001 C CNN
766	F 1 "GND" H 4805 2027 50 0000 C CNN
767	F 2 "" H 4800 2200 50 0001 C CNN
768	F 3 "" H 4800 2200 50 0001 C CNN
769	1 4800 2200
770	1 0 0 -1
771	$EndComp
772	NoConn ~ 6950 1700
773	$Comp
774	L 74xx:74LS30 U3
775	U 2 1 604FD7CB
776	P 8850 3450
777	F 0 "U3" H 8850 3500 50 0000 C CNN
778	F 1 "74LS30" H 8850 3400 50 0000 C CNN
779	F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 8850 3450 50 0001 C CNN
780	F 3 "http://www.ti.com/lit/gpn/sn74LS30" H 8850 3450 50 0001 C CNN
781	2 8850 3450
782	1 0 0 -1
783	$EndComp
784	$Comp
785	L 74xx:74HC86 U1
786	U 5 1 604FDB3C
787	P 7700 3450
788	F 0 "U1" H 7650 3500 50 0000 L CNN
789	F 1 "74HC86" H 7550 3400 50 0000 L CNN
790	F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 7700 3450 50 0001 C CNN
791	F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 7700 3450 50 0001 C CNN
792	5 7700 3450
793	1 0 0 -1
794	$EndComp
795	Wire Wire Line
796	7700 2950 8300 2950
797	Wire Wire Line
798	7700 3950 8300 3950
799	$Comp
800	L power:VCC #PWR012
801	U 1 1 6050CE66
802	P 8300 2950
803	F 0 "#PWR012" H 8300 3050 30 0001 C CNN
804	F 1 "VCC" H 8300 3050 30 0000 C CNN
805	F 2 "" H 8300 2950 50 0001 C CNN
806	F 3 "" H 8300 2950 50 0001 C CNN
807	1 8300 2950
808	1 0 0 -1
809	$EndComp
810	Connection ~ 8300 3950
811	Connection ~ 8300 2950
812	$Comp
813	L power:GND #PWR013
814	U 1 1 6050CF7C
815	P 8300 3950
816	F 0 "#PWR013" H 8300 3700 50 0001 C CNN
817	F 1 "GND" H 8305 3777 50 0000 C CNN
818	F 2 "" H 8300 3950 50 0001 C CNN
819	F 3 "" H 8300 3950 50 0001 C CNN
820	1 8300 3950
821	1 0 0 -1
822	$EndComp
823	$Comp
824	L pspice:DIODE D1
825	U 1 1 60516A39
826	P 3650 5050
827	F 0 "D1" H 4100 5000 50 0000 C CNN
828	F 1 "DIODE" H 3900 5000 50 0000 C CNN
829	F 2 "Diode_SMD:D_SOD-123F" H 3650 5050 50 0001 C CNN
830	F 3 "~" H 3650 5050 50 0001 C CNN
831	1 3650 5050
832	1 0 0 -1
833	$EndComp
834	$Comp
835	L pspice:DIODE D2
836	U 1 1 60516B01
837	P 3650 5350
838	F 0 "D2" H 4100 5300 50 0000 C CNN
839	F 1 "DIODE" H 3900 5300 50 0000 C CNN
840	F 2 "Diode_SMD:D_SOD-123F" H 3650 5350 50 0001 C CNN
841	F 3 "~" H 3650 5350 50 0001 C CNN
842	1 3650 5350
843	1 0 0 -1
844	$EndComp
845	Wire Wire Line
846	2850 4150 2850 4750
847	Wire Wire Line
848	2850 4950 2850 5300
849	$Comp
850	L power:VCC #PWR0101
851	U 1 1 60558A19
852	P 2750 5300
853	F 0 "#PWR0101" H 2750 5400 30 0001 C CNN
854	F 1 "VCC" H 2750 5400 30 0000 C CNN
855	F 2 "" H 2750 5300 50 0001 C CNN
856	F 3 "" H 2750 5300 50 0001 C CNN
857	1 2750 5300
858	1 0 0 -1
859	$EndComp
860	Wire Wire Line
861	2750 5300 2850 5300
862	Wire Wire Line
863	3450 4850 3450 5050
864	Connection ~ 3450 5050
865	Wire Wire Line
866	3450 5050 3450 5300
867	$Comp
868	L Device:R R1
869	U 1 1 605AC2A0
870	P 3100 5300
871	F 0 "R1" V 3100 5300 50 0000 C CNN
872	F 1 "1K" V 3200 5300 50 0000 C CNN
873	F 2 "Resistor_SMD:R_0805_2012Metric" V 3030 5300 50 0001 C CNN
874	F 3 "~" H 3100 5300 50 0001 C CNN
875	1 3100 5300
876	0 1 1 0
877	$EndComp
878	Wire Wire Line
879	2850 5300 2950 5300
880	Connection ~ 2850 5300
881	Wire Wire Line
882	3250 5300 3450 5300
883	Connection ~ 3450 5300
884	Wire Wire Line
885	3450 5300 3450 5350
886	$Comp
887	L Logic_Programmable:GAL16V8 U5
888	U 1 1 60A49CF2
889	P 4800 1500
890	F 0 "U5" H 4800 1650 50 0000 C CNN
891	F 1 "GAL16V8" H 4800 1750 50 0000 C CNN
892	F 2 "Housings_SOIC:SOIC-20W_7.5x12.8mm_Pitch1.27mm" H 4800 1500 50 0001 C CNN
893	F 3 "" H 4800 1500 50 0001 C CNN
894	1 4800 1500
895	1 0 0 -1
896	$EndComp
897	Text Label 3150 1550 0 50 ~ 0
898	ADR3
899	Text Label 5400 1000 0 50 ~ 0
900	MAPSEL
901	Text Label 4100 1900 0 50 ~ 0
902	ADR3
903	Text Label 4150 1800 0 50 ~ 0
904	A8
905	Text Label 4150 1000 0 50 ~ 0
906	A0
907	Text Label 4150 1400 0 50 ~ 0
908	A2
909	Text Label 4150 1500 0 50 ~ 0
910	A3
911	Text Label 2350 1250 0 60 ~ 0
912	A1
913	Text Label 4150 1200 0 50 ~ 0
914	A4
915	Text Label 4150 1600 0 50 ~ 0
916	A6
917	Text Label 4150 1300 0 50 ~ 0
918	A5
919	Text GLabel 5400 1600 2 60 Output ~ 0
920	WR
921	Text GLabel 5400 1500 2 60 Output ~ 0
922	IORQ
923	Wire Wire Line
924	5300 1000 5400 1000
925	Wire Wire Line
926	5300 1100 5400 1100
927	Wire Wire Line
928	4150 1000 4300 1000
929	Wire Wire Line
930	4150 1100 4300 1100
931	Wire Wire Line
932	4150 1200 4300 1200
933	Wire Wire Line
934	4150 1300 4300 1300
935	Wire Wire Line
936	4150 1400 4300 1400
937	Wire Wire Line
938	4150 1500 4300 1500
939	Wire Wire Line
940	4150 1600 4300 1600
941	Wire Wire Line
942	4150 1800 4300 1800
943	Wire Wire Line
944	8300 2950 8850 2950
945	Wire Wire Line
946	8300 3950 8850 3950
947	Wire Wire Line
948	4000 1550 4000 1900
949	Wire Wire Line
950	4000 1900 4300 1900
951	Wire Wire Line
952	3100 1550 4000 1550
953	Wire Wire Line
954	4300 1700 4150 1700
955	Text Label 5400 1100 0 50 ~ 0
956	SHRESET
957	Text Label 4150 1700 0 50 ~ 0
958	A10
959	Text Label 5400 1700 0 50 ~ 0
960	RESET
961	Text Label 5650 1900 0 50 ~ 0
962	MAPSEL
963	Wire Wire Line
964	5300 1600 5400 1600
965	Wire Wire Line
966	5300 1700 5400 1700
967	Wire Wire Line
968	5300 1500 5400 1500
969	Text Label 2350 1750 0 50 ~ 0
970	A7
971	Wire Wire Line
972	2350 1350 2350 1250
973	$EndSCHEMATC

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source: avrstuff/CPC stuff/nova/nova.sch@ 62f4d54

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