ramcard.sch@ c2e7641

main

Last change on this file since c2e7641 was c2e7641, checked in by Adrien Destugues <pulkomandy@…>, 13 years ago

fix wire-or (backward diodes) and improve routing. 15 straps left...

git-svn-id: svn://pulkomandy.tk/avrstuff@41 c6672c3c-f6b6-47f9-9001-1fd6b12fecbe

Property mode set to 100644

File size: 21.7 KB

Line
1	EESchema Schematic File Version 2 date 03/05/2011 22:17:19
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:dips-s
13	LIBS:flashmemory
14	LIBS:ramcard-cache
15	EELAYER 25 0
16	EELAYER END
17	$Descr User 10000 7000
18	encoding utf-8
19	Sheet 1 1
20	Title "Ramcard"
21	Date "3 may 2011"
22	Rev ""
23	Comp "Ram7"
24	Comment1 "Retro analyzed from PCB"
25	Comment2 ""
26	Comment3 ""
27	Comment4 ""
28	$EndDescr
29	Text Label 2650 4350 0 60 ~ 0
30	IS1
31	Wire Wire Line
32	1550 2050 1550 2000
33	Wire Wire Line
34	1550 2000 1350 2000
35	Wire Wire Line
36	1350 2000 1350 2050
37	Connection ~ 3000 3600
38	Connection ~ 1350 2550
39	Connection ~ 1150 2350
40	Wire Wire Line
41	6800 4650 6800 4450
42	Wire Wire Line
43	1950 2300 1650 2300
44	Wire Wire Line
45	1650 2300 1650 2550
46	Wire Wire Line
47	1650 2550 1150 2550
48	Wire Wire Line
49	1150 2550 1150 2150
50	Wire Wire Line
51	550 2550 750 2550
52	Wire Wire Line
53	2550 6200 2750 6200
54	Wire Notes Line
55	6800 3450 6950 3450
56	Wire Notes Line
57	6950 3450 6950 4100
58	Connection ~ 7700 3800
59	Wire Wire Line
60	8000 3800 7350 3800
61	Wire Wire Line
62	7700 3800 7700 3950
63	Wire Wire Line
64	5950 2100 6100 2100
65	Wire Wire Line
66	8450 3500 8450 3400
67	Wire Wire Line
68	8650 3900 8650 4000
69	Wire Wire Line
70	5950 2800 6150 2800
71	Wire Wire Line
72	4950 2100 5150 2100
73	Wire Bus Line
74	4850 1600 4850 900
75	Wire Wire Line
76	5150 1600 5000 1600
77	Wire Wire Line
78	5150 1500 5000 1500
79	Wire Wire Line
80	5150 1400 5000 1400
81	Wire Wire Line
82	5150 1300 5000 1300
83	Wire Wire Line
84	5150 1200 5000 1200
85	Wire Wire Line
86	5150 1100 5000 1100
87	Wire Wire Line
88	5150 1000 5000 1000
89	Wire Wire Line
90	5150 900 5000 900
91	Wire Wire Line
92	5950 1500 6100 1500
93	Wire Wire Line
94	5950 1300 6100 1300
95	Wire Wire Line
96	5950 1100 6100 1100
97	Wire Wire Line
98	5950 900 6100 900
99	Wire Wire Line
100	5950 2000 6250 2000
101	Wire Wire Line
102	5950 1800 6250 1800
103	Wire Bus Line
104	6250 2000 6250 1700
105	Wire Wire Line
106	5150 1700 4850 1700
107	Wire Wire Line
108	5200 3950 5350 3950
109	Wire Wire Line
110	8150 3200 8150 3300
111	Wire Wire Line
112	4950 2900 5150 2900
113	Wire Bus Line
114	9150 1700 9150 600
115	Wire Bus Line
116	800 1100 800 900
117	Wire Notes Line
118	450 1900 4550 1900
119	Wire Wire Line
120	5200 4350 5300 4350
121	Wire Wire Line
122	8000 4550 8200 4550
123	Wire Wire Line
124	6800 4450 6500 4450
125	Wire Wire Line
126	950 1600 1050 1600
127	Wire Wire Line
128	3800 3800 4000 3800
129	Wire Wire Line
130	2500 3700 2600 3700
131	Wire Wire Line
132	5950 3200 6100 3200
133	Wire Wire Line
134	5950 3000 6100 3000
135	Wire Wire Line
136	5950 800 6100 800
137	Wire Wire Line
138	5150 2200 4950 2200
139	Wire Wire Line
140	5150 2600 4950 2600
141	Wire Wire Line
142	5150 2800 4950 2800
143	Wire Wire Line
144	5150 3100 4950 3100
145	Wire Wire Line
146	1000 3150 900 3150
147	Wire Wire Line
148	4900 2400 5150 2400
149	Wire Wire Line
150	4900 2300 5150 2300
151	Wire Wire Line
152	1000 3350 1000 3500
153	Wire Wire Line
154	1000 3500 2200 3500
155	Wire Wire Line
156	2200 3500 2200 3800
157	Wire Wire Line
158	2200 3250 2350 3250
159	Wire Notes Line
160	4450 4050 350 4050
161	Wire Wire Line
162	900 5400 900 5350
163	Wire Wire Line
164	900 5350 1050 5350
165	Wire Wire Line
166	2450 5050 2650 5050
167	Wire Wire Line
168	2450 4850 2650 4850
169	Wire Wire Line
170	7150 2950 7450 2950
171	Connection ~ 3800 1600
172	Wire Wire Line
173	3800 1500 3800 1600
174	Wire Wire Line
175	950 1400 1050 1400
176	Wire Wire Line
177	2250 1600 2400 1600
178	Wire Wire Line
179	2250 1400 2400 1400
180	Wire Wire Line
181	2250 1200 2400 1200
182	Wire Wire Line
183	2250 1000 2400 1000
184	Connection ~ 3550 1500
185	Wire Wire Line
186	3550 900 3550 1600
187	Connection ~ 3550 1300
188	Connection ~ 3550 1100
189	Wire Wire Line
190	2800 1500 3150 1500
191	Wire Wire Line
192	2800 1300 3150 1300
193	Wire Wire Line
194	2800 1100 3150 1100
195	Wire Wire Line
196	2800 900 3150 900
197	Wire Wire Line
198	2800 1000 3150 1000
199	Wire Wire Line
200	2800 1200 3150 1200
201	Wire Wire Line
202	2800 1400 3150 1400
203	Wire Wire Line
204	2800 1600 3150 1600
205	Connection ~ 3550 1000
206	Connection ~ 3550 1200
207	Connection ~ 3550 1400
208	Wire Wire Line
209	2250 900 2400 900
210	Wire Wire Line
211	2250 1100 2400 1100
212	Wire Wire Line
213	2250 1300 2400 1300
214	Wire Wire Line
215	2250 1500 2400 1500
216	Wire Wire Line
217	3550 1600 3950 1600
218	Wire Wire Line
219	3800 1000 3800 850
220	Wire Wire Line
221	2450 4750 2650 4750
222	Wire Wire Line
223	2450 4950 2650 4950
224	Wire Wire Line
225	2450 4350 2650 4350
226	Wire Wire Line
227	2450 4450 2650 4450
228	Wire Wire Line
229	2450 4550 2650 4550
230	Wire Wire Line
231	2450 4650 2650 4650
232	Wire Notes Line
233	4550 450 4550 5550
234	Wire Notes Line
235	4550 5550 450 5550
236	Wire Wire Line
237	900 5250 1050 5250
238	Wire Wire Line
239	800 3700 1000 3700
240	Wire Wire Line
241	5150 3200 4900 3200
242	Wire Wire Line
243	4900 3200 4900 3300
244	Wire Wire Line
245	800 3900 1000 3900
246	Wire Wire Line
247	5150 3000 4950 3000
248	Wire Wire Line
249	5150 2700 4950 2700
250	Wire Wire Line
251	5150 2500 4950 2500
252	Wire Wire Line
253	5150 800 4950 800
254	Wire Wire Line
255	5950 2900 6100 2900
256	Wire Wire Line
257	5950 3100 6100 3100
258	Wire Bus Line
259	6800 3450 4550 3450
260	Wire Wire Line
261	2500 3900 2600 3900
262	Wire Wire Line
263	950 1500 1050 1500
264	Wire Wire Line
265	5200 4550 5300 4550
266	Wire Wire Line
267	5200 3750 5350 3750
268	Wire Wire Line
269	7150 2850 7450 2850
270	Wire Wire Line
271	8600 4550 8750 4550
272	Wire Notes Line
273	4550 4100 9400 4100
274	Wire Notes Line
275	9400 4100 9400 4950
276	Wire Notes Line
277	9400 4950 4550 4950
278	Wire Wire Line
279	600 6100 750 6100
280	Wire Wire Line
281	800 900 1050 900
282	Wire Wire Line
283	1050 1000 800 1000
284	Wire Wire Line
285	800 1100 1050 1100
286	Wire Wire Line
287	1050 4350 900 4350
288	Wire Wire Line
289	1050 4450 900 4450
290	Wire Wire Line
291	1050 4550 900 4550
292	Wire Wire Line
293	1050 4650 900 4650
294	Wire Wire Line
295	1050 4750 900 4750
296	Wire Wire Line
297	1050 4850 900 4850
298	Wire Wire Line
299	1050 4950 900 4950
300	Wire Wire Line
301	1050 5050 900 5050
302	Connection ~ 2650 4350
303	Connection ~ 2650 4450
304	Connection ~ 2650 4550
305	Connection ~ 2650 4650
306	Connection ~ 2650 4750
307	Connection ~ 2650 4850
308	Connection ~ 2650 4950
309	Connection ~ 2650 5050
310	Wire Wire Line
311	8850 850 9150 850
312	Wire Wire Line
313	8850 950 9150 950
314	Wire Wire Line
315	8850 1050 9150 1050
316	Wire Wire Line
317	8850 1150 9150 1150
318	Wire Wire Line
319	8850 1250 9150 1250
320	Wire Wire Line
321	8850 1350 9150 1350
322	Wire Wire Line
323	8850 1450 9150 1450
324	Wire Wire Line
325	8850 1550 9150 1550
326	Wire Wire Line
327	8150 600 8150 700
328	Wire Bus Line
329	4850 2000 4850 1700
330	Wire Wire Line
331	5150 1800 4850 1800
332	Wire Wire Line
333	4850 1900 5150 1900
334	Wire Wire Line
335	5150 2000 4850 2000
336	Wire Wire Line
337	5950 1700 6250 1700
338	Wire Wire Line
339	5950 1900 6250 1900
340	Wire Wire Line
341	5950 1000 6100 1000
342	Wire Wire Line
343	5950 1200 6100 1200
344	Wire Wire Line
345	5950 1400 6100 1400
346	Wire Wire Line
347	5950 1600 6100 1600
348	Wire Bus Line
349	6300 1600 6300 900
350	Wire Wire Line
351	7450 850 7250 850
352	Wire Wire Line
353	7450 950 7250 950
354	Wire Wire Line
355	7450 1050 7250 1050
356	Wire Wire Line
357	7450 1150 7250 1150
358	Wire Wire Line
359	7450 1250 7250 1250
360	Wire Wire Line
361	7450 1350 7250 1350
362	Wire Wire Line
363	7450 1450 7250 1450
364	Wire Wire Line
365	7450 1550 7250 1550
366	Wire Wire Line
367	7450 1650 7250 1650
368	Wire Wire Line
369	7450 1750 7250 1750
370	Wire Wire Line
371	7450 1850 7250 1850
372	Wire Wire Line
373	7450 1950 7250 1950
374	Wire Wire Line
375	7450 2050 7250 2050
376	Wire Wire Line
377	7450 2150 7250 2150
378	Wire Wire Line
379	7450 2250 7250 2250
380	Wire Wire Line
381	7450 2350 7250 2350
382	Wire Wire Line
383	7450 2450 7250 2450
384	Wire Wire Line
385	7450 2550 7250 2550
386	Wire Wire Line
387	7450 2650 7250 2650
388	Wire Bus Line
389	900 5050 900 4350
390	Wire Wire Line
391	8650 3400 8650 3500
392	Wire Wire Line
393	5950 2200 6100 2200
394	Wire Wire Line
395	5950 2300 6100 2300
396	Wire Wire Line
397	5950 2400 6100 2400
398	Wire Wire Line
399	5950 2500 6100 2500
400	Wire Wire Line
401	5950 2600 6100 2600
402	Wire Wire Line
403	5950 2700 6100 2700
404	Wire Wire Line
405	7700 3350 7700 3400
406	Wire Wire Line
407	8000 3400 7350 3400
408	Connection ~ 7700 3400
409	Connection ~ 6800 4650
410	Wire Notes Line
411	6550 3450 6550 500
412	Wire Wire Line
413	750 6300 750 5700
414	Wire Wire Line
415	750 5700 2550 5700
416	Connection ~ 750 6100
417	Wire Wire Line
418	550 2350 750 2350
419	Wire Notes Line
420	450 2900 3250 2900
421	Wire Wire Line
422	7450 3050 7250 3050
423	$Comp
424	L GND #PWR01
425	U 1 1 4DC04C38
426	P 1550 2050
427	F 0 "#PWR01" H 1550 2050 30 0001 C CNN
428	F 1 "GND" H 1550 1980 30 0001 C CNN
429	1 1550 2050
430	1 0 0 -1
431	$EndComp
432	Text Label 7250 3050 0 60 ~ 0
433	CE
434	Text Label 1950 2300 0 60 ~ 0
435	CE
436	$Comp
437	L DIODE D11
438	U 1 1 4DBD84F1
439	P 950 2550
440	F 0 "D11" H 950 2650 40 0000 C CNN
441	F 1 "DIODE" H 950 2450 40 0000 C CNN
442	1 950 2550
443	1 0 0 1
444	$EndComp
445	$Comp
446	L DIODE D2
447	U 1 1 4DBD84E4
448	P 950 2350
449	F 0 "D2" H 950 2450 40 0000 C CNN
450	F 1 "DIODE" H 950 2250 40 0000 C CNN
451	1 950 2350
452	1 0 0 1
453	$EndComp
454	$Comp
455	L DIODE D1
456	U 1 1 4DBD84DD
457	P 950 2150
458	F 0 "D1" H 950 2250 40 0000 C CNN
459	F 1 "DIODE" H 950 2050 40 0000 C CNN
460	1 950 2150
461	1 0 0 1
462	$EndComp
463	Text GLabel 1650 2750 0 60 Input ~ 0
464	WR
465	$Comp
466	L JUMPER JP1
467	U 1 1 4DBD842B
468	P 2250 6200
469	F 0 "JP1" H 2250 6350 60 0000 C CNN
470	F 1 "JUMPER" H 2250 6120 40 0000 C CNN
471	1 2250 6200
472	1 0 0 -1
473	$EndComp
474	Text GLabel 6550 3850 2 60 Output ~ 0
475	WRITE
476	Text Label 7250 1750 0 60 ~ 0
477	IS2
478	Text Label 7250 2150 0 60 ~ 0
479	IS0
480	Text Label 7250 1650 0 60 ~ 0
481	IS1
482	$Comp
483	L 74LS00 U1
484	U 3 1 4DBD59C0
485	P 2250 2650
486	F 0 "U1" H 2250 2700 60 0000 C CNN
487	F 1 "74LS00" H 2250 2550 60 0000 C CNN
488	3 2250 2650
489	1 0 0 1
490	$EndComp
491	Text Label 550 2550 0 60 ~ 0
492	AC1
493	Text Label 600 6100 0 60 ~ 0
494	ACFG
495	$Comp
496	L GND #PWR02
497	U 1 1 4DBD3AB8
498	P 7700 3950
499	F 0 "#PWR02" H 7700 3950 30 0001 C CNN
500	F 1 "GND" H 7700 3880 30 0001 C CNN
501	1 7700 3950
502	1 0 0 -1
503	$EndComp
504	$Comp
505	L VCC #PWR03
506	U 1 1 4DBD3AB1
507	P 7700 3350
508	F 0 "#PWR03" H 7700 3450 30 0001 C CNN
509	F 1 "VCC" H 7700 3450 30 0000 C CNN
510	1 7700 3350
511	1 0 0 -1
512	$EndComp
513	Text GLabel 6100 2100 2 60 Output ~ 0
514	MREQ
515	NoConn ~ 6100 2700
516	NoConn ~ 6100 2600
517	NoConn ~ 6100 2500
518	NoConn ~ 6100 2400
519	NoConn ~ 6100 2300
520	NoConn ~ 6100 2200
521	$Comp
522	L VCC #PWR04
523	U 1 1 4DBC00D5
524	P 8450 3500
525	F 0 "#PWR04" H 8450 3600 30 0001 C CNN
526	F 1 "VCC" H 8450 3600 30 0000 C CNN
527	1 8450 3500
528	-1 0 0 1
529	$EndComp
530	$Comp
531	L +BATT #PWR05
532	U 1 1 4DBC006B
533	P 8450 3400
534	F 0 "#PWR05" H 8450 3350 20 0001 C CNN
535	F 1 "+BATT" H 8450 3500 30 0000 C CNN
536	1 8450 3400
537	1 0 0 -1
538	$EndComp
539	$Comp
540	L +BATT #PWR06
541	U 1 1 4DBC004F
542	P 8650 3400
543	F 0 "#PWR06" H 8650 3350 20 0001 C CNN
544	F 1 "+BATT" H 8650 3500 30 0000 C CNN
545	1 8650 3400
546	1 0 0 -1
547	$EndComp
548	$Comp
549	L +BATT #PWR07
550	U 1 1 4DBC0046
551	P 8150 600
552	F 0 "#PWR07" H 8150 550 20 0001 C CNN
553	F 1 "+BATT" H 8150 700 30 0000 C CNN
554	1 8150 600
555	1 0 0 -1
556	$EndComp
557	$Comp
558	L GND #PWR08
559	U 1 1 4DBBFE96
560	P 8650 4000
561	F 0 "#PWR08" H 8650 4000 30 0001 C CNN
562	F 1 "GND" H 8650 3930 30 0001 C CNN
563	1 8650 4000
564	1 0 0 -1
565	$EndComp
566	Text GLabel 6150 2800 2 60 Output ~ 0
567	ROMEN
568	Text Label 550 2350 0 60 ~ 0
569	AC0
570	Text Label 7250 1850 0 60 ~ 0
571	AX17
572	Text Label 7250 1950 0 60 ~ 0
573	AX18
574	Text Label 900 1100 0 60 ~ 0
575	IS2
576	Text Label 900 1000 0 60 ~ 0
577	IS1
578	Text Label 900 900 0 60 ~ 0
579	IS0
580	Text Label 2650 4750 0 60 ~ 0
581	AC1
582	Text Label 2650 4550 0 60 ~ 0
583	AC0
584	Text Label 2650 4650 0 60 ~ 0
585	AX17
586	Text Label 2650 4850 0 60 ~ 0
587	AX18
588	Text Label 2650 4450 0 60 ~ 0
589	ACFG
590	Text Label 2650 4950 0 60 ~ 0
591	IS2
592	Text Label 2650 5050 0 60 ~ 0
593	IS0
594	Text Label 2500 3700 0 60 ~ 0
595	A15
596	Text Label 2500 3900 0 60 ~ 0
597	A14
598	Text Label 900 3150 0 60 ~ 0
599	A13
600	$Comp
601	L VCC #PWR09
602	U 1 1 4DBBEA82
603	P 4950 2100
604	F 0 "#PWR09" H 4950 2200 30 0001 C CNN
605	F 1 "VCC" H 4950 2200 30 0000 C CNN
606	1 4950 2100
607	0 -1 -1 0
608	$EndComp
609	Text Label 7250 2650 0 60 ~ 0
610	A13
611	Text Label 7250 2350 0 60 ~ 0
612	A12
613	Text Label 7250 2450 0 60 ~ 0
614	A11
615	Text Label 7250 2550 0 60 ~ 0
616	A10
617	Text Label 7250 2250 0 60 ~ 0
618	A9
619	Text Label 7250 2050 0 60 ~ 0
620	A8
621	Text Label 7250 1550 0 60 ~ 0
622	A7
623	Text Label 7250 1450 0 60 ~ 0
624	A6
625	Text Label 7250 1350 0 60 ~ 0
626	A5
627	Text Label 7250 1250 0 60 ~ 0
628	A4
629	Text Label 7250 1150 0 60 ~ 0
630	A3
631	Text Label 7250 1050 0 60 ~ 0
632	A2
633	Text Label 7250 850 0 60 ~ 0
634	A1
635	Text Label 7250 950 0 60 ~ 0
636	A0
637	Text Label 5000 900 0 60 ~ 0
638	A15
639	Text Label 6100 900 0 60 ~ 0
640	A14
641	Text Label 5000 1000 0 60 ~ 0
642	A13
643	Text Label 6100 1000 0 60 ~ 0
644	A12
645	Text Label 5000 1100 0 60 ~ 0
646	A11
647	Text Label 6100 1100 0 60 ~ 0
648	A10
649	Text Label 5000 1200 0 60 ~ 0
650	A9
651	Text Label 6100 1200 0 60 ~ 0
652	A8
653	Text Label 5000 1300 0 60 ~ 0
654	A7
655	Text Label 6100 1300 0 60 ~ 0
656	A6
657	Text Label 5000 1400 0 60 ~ 0
658	A5
659	Text Label 6100 1400 0 60 ~ 0
660	A4
661	Text Label 5000 1500 0 60 ~ 0
662	A3
663	Text Label 6100 1500 0 60 ~ 0
664	A2
665	Text Label 5000 1600 0 60 ~ 0
666	A1
667	Text Label 6100 1600 0 60 ~ 0
668	A0
669	Text Label 1000 4750 0 60 ~ 0
670	D7
671	Text Label 1000 4550 0 60 ~ 0
672	D6
673	Text Label 1000 4850 0 60 ~ 0
674	D5
675	Text Label 1000 4650 0 60 ~ 0
676	D4
677	Text Label 1000 4450 0 60 ~ 0
678	D3
679	Text Label 1000 4950 0 60 ~ 0
680	D2
681	Text Label 1000 4350 0 60 ~ 0
682	D1
683	Text Label 1000 5050 0 60 ~ 0
684	D0
685	Entry Wire Line
686	6250 2000 6350 1900
687	Entry Wire Line
688	6250 1900 6350 1800
689	Entry Wire Line
690	6250 1800 6350 1700
691	Entry Wire Line
692	6250 1700 6350 1600
693	Entry Wire Line
694	4850 2000 4950 1900
695	Entry Wire Line
696	4850 1900 4950 1800
697	Entry Wire Line
698	4850 1800 4950 1700
699	Entry Wire Line
700	4850 1700 4950 1600
701	Text Label 6100 2000 0 60 ~ 0
702	D7
703	Text Label 6100 1900 0 60 ~ 0
704	D5
705	Text Label 6100 1800 0 60 ~ 0
706	D3
707	Text Label 6100 1700 0 60 ~ 0
708	D1
709	Text Label 4950 2000 0 60 ~ 0
710	D6
711	Text Label 4950 1900 0 60 ~ 0
712	D4
713	Text Label 4950 1800 0 60 ~ 0
714	D2
715	Text Label 4950 1700 0 60 ~ 0
716	D0
717	$Comp
718	L GND #PWR010
719	U 1 1 4DBBE106
720	P 8150 3300
721	F 0 "#PWR010" H 8150 3300 30 0001 C CNN
722	F 1 "GND" H 8150 3230 30 0001 C CNN
723	1 8150 3300
724	1 0 0 -1
725	$EndComp
726	Text GLabel 4950 2900 0 60 Input ~ 0
727	ROMDIS
728	Entry Wire Line
729	9050 1550 9150 1450
730	Entry Wire Line
731	9050 1450 9150 1350
732	Entry Wire Line
733	9050 1350 9150 1250
734	Entry Wire Line
735	9050 1250 9150 1150
736	Entry Wire Line
737	9050 1150 9150 1050
738	Entry Wire Line
739	9050 1050 9150 950
740	Entry Wire Line
741	9050 950 9150 850
742	Entry Wire Line
743	9050 850 9150 750
744	Text Label 8850 1050 0 60 ~ 0
745	D7
746	Text Label 8850 1250 0 60 ~ 0
747	D6
748	Text Label 8850 950 0 60 ~ 0
749	D5
750	Text Label 8850 1150 0 60 ~ 0
751	D4
752	Text Label 8850 1350 0 60 ~ 0
753	D3
754	Text Label 8850 850 0 60 ~ 0
755	D2
756	Text Label 8850 1450 0 60 ~ 0
757	D1
758	Text Label 8850 1550 0 60 ~ 0
759	D0
760	Text Notes 1600 5050 0 60 ~ 0
761	register
762	Text Notes 1700 1500 1 60 ~ 0
763	demultiplexer
764	Entry Wire Line
765	800 1100 900 1200
766	Entry Wire Line
767	800 1000 900 1100
768	Entry Wire Line
769	800 900 900 1000
770	Text GLabel 750 2150 0 60 Input ~ 0
771	_A3
772	Text GLabel 2750 6200 2 60 Output ~ 0
773	_A3
774	Text Notes 6400 4200 0 60 ~ 0
775	Rom active notification
776	Text Notes 4900 3600 0 60 ~ 0
777	Write detection
778	Text GLabel 5200 4350 0 60 Input ~ 0
779	ROM_ACTIVE
780	Text GLabel 5200 3750 0 60 Input ~ 0
781	WR
782	$Comp
783	L 74LS00 U1
784	U 4 1 4CA8A6F2
785	P 1350 6200
786	F 0 "U1" H 1350 6250 60 0000 C CNN
787	F 1 "74LS00" H 1350 6100 60 0000 C CNN
788	4 1350 6200
789	1 0 0 -1
790	$EndComp
791	Text GLabel 7150 2850 0 60 Input ~ 0
792	ROM_ACTIVE
793	Text GLabel 8750 4550 2 60 Output ~ 0
794	ROMDIS
795	$Comp
796	L 74LS00 U1
797	U 2 1 4CA89EED
798	P 7400 4550
799	F 0 "U1" H 7400 4600 60 0000 C CNN
800	F 1 "74LS00" H 7400 4450 60 0000 C CNN
801	2 7400 4550
802	1 0 0 -1
803	$EndComp
804	Text GLabel 5200 4550 0 60 Input ~ 0
805	ROMEN
806	Text GLabel 5200 3950 0 60 Input ~ 0
807	ROM_ACTIVE
808	Text GLabel 950 1600 0 60 Input ~ 0
809	MREQ
810	Text GLabel 950 1500 0 60 Input ~ 0
811	ROM_ACC
812	Text Notes 2900 3550 0 60 ~ 0
813	Rom access detection
814	Text GLabel 4000 3800 2 60 Output ~ 0
815	ROM_ACC
816	NoConn ~ 6100 2900
817	NoConn ~ 6100 3000
818	NoConn ~ 6100 3100
819	NoConn ~ 6100 3200
820	NoConn ~ 6100 800
821	NoConn ~ 4950 800
822	NoConn ~ 4950 2200
823	NoConn ~ 4950 2500
824	NoConn ~ 4950 2600
825	NoConn ~ 4950 2700
826	NoConn ~ 4950 2800
827	NoConn ~ 4950 3000
828	NoConn ~ 4950 3100
829	Text Notes 4700 550 0 60 ~ 0
830	\ncpc connector
831	Text Notes 500 3000 0 60 ~ 0
832	OUT Decoder
833	Text GLabel 800 3900 0 60 Input ~ 0
834	WR
835	Text GLabel 4900 2400 0 60 Output ~ 0
836	WR
837	$Comp
838	L GND #PWR011
839	U 1 1 4CA89326
840	P 4900 3300
841	F 0 "#PWR011" H 4900 3300 30 0001 C CNN
842	F 1 "GND" H 4900 3230 30 0001 C CNN
843	1 4900 3300
844	1 0 0 -1
845	$EndComp
846	Text GLabel 4900 2300 0 60 Output ~ 0
847	IORQ
848	Text GLabel 800 3700 0 60 Input ~ 0
849	IORQ
850	$Comp
851	L 74LS32 U3
852	U 1 1 4CA89162
853	P 1600 3800
854	F 0 "U3" H 1600 3850 60 0000 C CNN
855	F 1 "74LS32" H 1600 3750 60 0000 C CNN
856	1 1600 3800
857	1 0 0 -1
858	$EndComp
859	Text GLabel 2350 3250 2 60 Output ~ 0
860	ROMSEL
861	Text GLabel 900 5250 0 60 Input ~ 0
862	ROMSEL
863	$Comp
864	L 74LS32 U3
865	U 4 1 4CA89099
866	P 1600 3250
867	F 0 "U3" H 1600 3300 60 0000 C CNN
868	F 1 "74LS32" H 1600 3200 60 0000 C CNN
869	4 1600 3250
870	1 0 0 1
871	$EndComp
872	$Comp
873	L GND #PWR012
874	U 1 1 4CA88AFC
875	P 900 5400
876	F 0 "#PWR012" H 900 5400 30 0001 C CNN
877	F 1 "GND" H 900 5330 30 0001 C CNN
878	1 900 5400
879	1 0 0 -1
880	$EndComp
881	Text Notes 1150 4200 0 60 ~ 0
882	Current ROM number storage
883	Text GLabel 7150 2950 0 60 Input ~ 0
884	WRITE
885	Text Notes 600 2000 0 60 ~ 0
886	comparator
887	$Comp
888	L VCC #PWR013
889	U 1 1 4CA88282
890	P 3800 850
891	F 0 "#PWR013" H 3800 950 30 0001 C CNN
892	F 1 "VCC" H 3800 950 30 0000 C CNN
893	1 3800 850
894	1 0 0 -1
895	$EndComp
896	Text GLabel 3950 1600 2 60 Output ~ 0
897	ROM_ACTIVE
898	Text GLabel 2850 2650 2 60 Output ~ 0
899	MATCH
900	Text GLabel 950 1400 0 60 Input ~ 0
901	MATCH
902	$Comp
903	L 74LS32 U3
904	U 3 1 4CA87CE5
905	P 5900 4450
906	F 0 "U3" H 5900 4500 60 0000 C CNN
907	F 1 "74LS32" H 5900 4400 60 0000 C CNN
908	3 5900 4450
909	1 0 0 1
910	$EndComp
911	Text Notes 1800 650 0 60 ~ 0
912	Individual ROM selection
913	$Comp
914	L SRAM_512KO U6
915	U 1 1 4CA871FB
916	P 8150 1950
917	F 0 "U6" H 8250 3150 70 0000 L CNN
918	F 1 "SRAM_512KO" H 8250 750 70 0000 L CNN
919	1 8150 1950
920	1 0 0 -1
921	$EndComp
922	$Comp
923	L C C4
924	U 1 1 4CA87152
925	P 8000 3600
926	F 0 "C4" H 8050 3700 50 0000 L CNN
927	F 1 "C" H 8050 3500 50 0000 L CNN
928	1 8000 3600
929	1 0 0 -1
930	$EndComp
931	$Comp
932	L C C3
933	U 1 1 4CA87151
934	P 7700 3600
935	F 0 "C3" H 7750 3700 50 0000 L CNN
936	F 1 "C" H 7750 3500 50 0000 L CNN
937	1 7700 3600
938	1 0 0 -1
939	$EndComp
940	$Comp
941	L CP1 C5
942	U 1 1 4CA87146
943	P 7350 3600
944	F 0 "C5" H 7400 3700 50 0000 L CNN
945	F 1 "CP1" H 7400 3500 50 0000 L CNN
946	1 7350 3600
947	1 0 0 -1
948	$EndComp
949	$Comp
950	L CONN_25X2 P1
951	U 1 1 4CA8712F
952	P 5550 2000
953	F 0 "P1" H 5550 3300 60 0000 C CNN
954	F 1 "CONN_25X2" V 5550 2000 50 0000 C CNN
955	1 5550 2000
956	1 0 0 -1
957	$EndComp
958	$Comp
959	L C C2
960	U 1 1 4CA870EF
961	P 8650 3700
962	F 0 "C2" H 8700 3800 50 0000 L CNN
963	F 1 "C" H 8700 3600 50 0000 L CNN
964	1 8650 3700
965	1 0 0 -1
966	$EndComp
967	$Comp
968	L R R9
969	U 1 1 4CA870E2
970	P 2550 5950
971	F 0 "R9" V 2630 5950 50 0000 C CNN
972	F 1 "R" V 2550 5950 50 0000 C CNN
973	1 2550 5950
974	1 0 0 -1
975	$EndComp
976	$Comp
977	L R R2
978	U 1 1 4CA870D9
979	P 1350 2300
980	F 0 "R2" V 1430 2300 50 0000 C CNN
981	F 1 "10KR" V 1350 2300 50 0000 C CNN
982	1 1350 2300
983	-1 0 0 1
984	$EndComp
985	$Comp
986	L R R8
987	U 1 1 4CA870C2
988	P 3800 1250
989	F 0 "R8" V 3880 1250 50 0000 C CNN
990	F 1 "R" V 3800 1250 50 0000 C CNN
991	1 3800 1250
992	1 0 0 -1
993	$EndComp
994	$Comp
995	L DIODE D13
996	U 1 1 4CA870AA
997	P 8400 4550
998	F 0 "D13" H 8400 4650 40 0000 C CNN
999	F 1 "DIODE" H 8400 4450 40 0000 C CNN
1000	1 8400 4550
1001	1 0 0 -1
1002	$EndComp
1003	$Comp
1004	L DIODE D10
1005	U 1 1 4CA8709A
1006	P 3350 1600
1007	F 0 "D10" H 3350 1700 40 0000 C CNN
1008	F 1 "DIODE" H 3350 1500 40 0000 C CNN
1009	1 3350 1600
1010	-1 0 0 -1
1011	$EndComp
1012	$Comp
1013	L DIODE D9
1014	U 1 1 4CA87098
1015	P 3350 1500
1016	F 0 "D9" H 3350 1600 40 0000 C CNN
1017	F 1 "DIODE" H 3350 1400 40 0000 C CNN
1018	1 3350 1500
1019	-1 0 0 -1
1020	$EndComp
1021	$Comp
1022	L DIODE D8
1023	U 1 1 4CA87095
1024	P 3350 1400
1025	F 0 "D8" H 3350 1500 40 0000 C CNN
1026	F 1 "DIODE" H 3350 1300 40 0000 C CNN
1027	1 3350 1400
1028	-1 0 0 -1
1029	$EndComp
1030	$Comp
1031	L DIODE D7
1032	U 1 1 4CA87093
1033	P 3350 1300
1034	F 0 "D7" H 3350 1400 40 0000 C CNN
1035	F 1 "DIODE" H 3350 1200 40 0000 C CNN
1036	1 3350 1300
1037	-1 0 0 -1
1038	$EndComp
1039	$Comp
1040	L DIODE D6
1041	U 1 1 4CA87092
1042	P 3350 1200
1043	F 0 "D6" H 3350 1300 40 0000 C CNN
1044	F 1 "DIODE" H 3350 1100 40 0000 C CNN
1045	1 3350 1200
1046	-1 0 0 -1
1047	$EndComp
1048	$Comp
1049	L DIODE D5
1050	U 1 1 4CA87090
1051	P 3350 1100
1052	F 0 "D5" H 3350 1200 40 0000 C CNN
1053	F 1 "DIODE" H 3350 1000 40 0000 C CNN
1054	1 3350 1100
1055	-1 0 0 -1
1056	$EndComp
1057	$Comp
1058	L DIODE D4
1059	U 1 1 4CA8708D
1060	P 3350 1000
1061	F 0 "D4" H 3350 1100 40 0000 C CNN
1062	F 1 "DIODE" H 3350 900 40 0000 C CNN
1063	1 3350 1000
1064	-1 0 0 -1
1065	$EndComp
1066	$Comp
1067	L DIODE D3
1068	U 1 1 4CA87086
1069	P 3350 900
1070	F 0 "D3" H 3350 1000 40 0000 C CNN
1071	F 1 "DIODE" H 3350 800 40 0000 C CNN
1072	1 3350 900
1073	-1 0 0 -1
1074	$EndComp
1075	$Comp
1076	L DIPS_08 SW_ROMEN1
1077	U 1 1 4CA8706E
1078	P 2600 1250
1079	F 0 "SW_ROMEN1" V 2150 1250 60 0000 C CNN
1080	F 1 "DIPS_08" V 3050 1250 60 0000 C CNN
1081	1 2600 1250
1082	0 1 1 0
1083	$EndComp
1084	$Comp
1085	L 74LS374 U4
1086	U 1 1 4CA86E68
1087	P 1750 4850
1088	F 0 "U4" H 1750 4850 60 0000 C CNN
1089	F 1 "74LS374" H 1800 4500 60 0000 C CNN
1090	1 1750 4850
1091	1 0 0 -1
1092	$EndComp
1093	$Comp
1094	L 74LS32 U3
1095	U 2 1 4CA86E60
1096	P 5950 3850
1097	F 0 "U3" H 5950 3900 60 0000 C CNN
1098	F 1 "74LS32" H 5950 3800 60 0000 C CNN
1099	2 5950 3850
1100	1 0 0 -1
1101	$EndComp
1102	$Comp
1103	L 74LS00 U1
1104	U 1 1 4CA86E52
1105	P 3200 3800
1106	F 0 "U1" H 3200 3850 60 0000 C CNN
1107	F 1 "74LS00" H 3200 3700 60 0000 C CNN
1108	1 3200 3800
1109	1 0 0 -1
1110	$EndComp
1111	$Comp
1112	L 74LS138 U2
1113	U 1 1 4CA86E2A
1114	P 1650 1250
1115	F 0 "U2" H 1750 1750 60 0000 C CNN
1116	F 1 "74LS138" H 1800 701 60 0000 C CNN
1117	1 1650 1250
1118	1 0 0 -1
1119	$EndComp
1120	$EndSCHEMATC

Note: See TracBrowser for help on using the repository browser.

source: avrstuff/CPC stuff/gordon/ramcard.sch@ c2e7641

Download in other formats: