ramcard.sch@ c77bee7

main

Last change on this file since c77bee7 was c77bee7, checked in by Adrien Destugues <pulkomandy@…>, 13 years ago

Lots of fixes to Gordon after tests on the first prototype.

git-svn-id: svn://pulkomandy.tk/avrstuff@43 c6672c3c-f6b6-47f9-9001-1fd6b12fecbe

Property mode set to 100644

File size: 20.2 KB

Line
1	EESchema Schematic File Version 2 date 28/05/2011 21:38:53
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 6000
18	encoding utf-8
19	Sheet 1 1
20	Title "Ramcard"
21	Date "28 may 2011"
22	Rev ""
23	Comp "Ram7"
24	Comment1 "Retro analyzed from PCB"
25	Comment2 ""
26	Comment3 ""
27	Comment4 ""
28	$EndDescr
29	Wire Wire Line
30	3050 4750 3050 4350
31	Wire Wire Line
32	4300 4750 4750 4750
33	Wire Wire Line
34	3650 3150 3900 3150
35	Wire Wire Line
36	4250 4750 4250 4650
37	Wire Wire Line
38	4550 4650 4750 4650
39	Connection ~ 3650 2500
40	Wire Wire Line
41	3300 2500 4300 2500
42	Wire Wire Line
43	1550 2050 1550 2000
44	Wire Wire Line
45	1550 2000 1350 2000
46	Connection ~ 1650 2550
47	Wire Wire Line
48	1650 2750 1650 2550
49	Wire Wire Line
50	7450 3050 7250 3050
51	Wire Notes Line
52	450 2900 3250 2900
53	Wire Wire Line
54	550 2350 750 2350
55	Connection ~ 3050 4550
56	Wire Notes Line
57	6550 3450 6550 500
58	Connection ~ 6800 4000
59	Connection ~ 4000 2100
60	Wire Wire Line
61	4000 2050 4000 2100
62	Wire Wire Line
63	5950 2700 6100 2700
64	Wire Wire Line
65	5950 2600 6100 2600
66	Wire Wire Line
67	5950 2500 6100 2500
68	Wire Wire Line
69	5950 2400 6100 2400
70	Wire Wire Line
71	5950 2300 6100 2300
72	Wire Wire Line
73	5950 2200 6100 2200
74	Wire Bus Line
75	900 5050 900 4350
76	Wire Wire Line
77	7450 2650 7250 2650
78	Wire Wire Line
79	7450 2550 7250 2550
80	Wire Wire Line
81	7450 2450 7250 2450
82	Wire Wire Line
83	7450 2350 7250 2350
84	Wire Wire Line
85	7450 2250 7250 2250
86	Wire Wire Line
87	7450 2150 7250 2150
88	Wire Wire Line
89	7450 2050 7250 2050
90	Wire Wire Line
91	7450 1950 7250 1950
92	Wire Wire Line
93	7450 1850 7250 1850
94	Wire Wire Line
95	7450 1750 7250 1750
96	Wire Wire Line
97	7450 1650 7250 1650
98	Wire Wire Line
99	7450 1550 7250 1550
100	Wire Wire Line
101	7450 1450 7250 1450
102	Wire Wire Line
103	7450 1350 7250 1350
104	Wire Wire Line
105	7450 1250 7250 1250
106	Wire Wire Line
107	7450 1150 7250 1150
108	Wire Wire Line
109	7450 1050 7250 1050
110	Wire Wire Line
111	7450 950 7250 950
112	Wire Wire Line
113	7450 850 7250 850
114	Wire Bus Line
115	6300 1600 6300 900
116	Wire Wire Line
117	5950 1600 6100 1600
118	Wire Wire Line
119	5950 1400 6100 1400
120	Wire Wire Line
121	5950 1200 6100 1200
122	Wire Wire Line
123	5950 1000 6100 1000
124	Wire Wire Line
125	5950 1900 6250 1900
126	Wire Wire Line
127	5950 1700 6250 1700
128	Wire Wire Line
129	5150 2000 4850 2000
130	Wire Wire Line
131	4850 1900 5150 1900
132	Wire Wire Line
133	5150 1800 4850 1800
134	Wire Bus Line
135	4850 2000 4850 1700
136	Wire Wire Line
137	8150 600 8150 700
138	Wire Wire Line
139	8850 1550 9150 1550
140	Wire Wire Line
141	8850 1450 9150 1450
142	Wire Wire Line
143	8850 1350 9150 1350
144	Wire Wire Line
145	8850 1250 9150 1250
146	Wire Wire Line
147	8850 1150 9150 1150
148	Wire Wire Line
149	8850 1050 9150 1050
150	Wire Wire Line
151	8850 950 9150 950
152	Wire Wire Line
153	8850 850 9150 850
154	Connection ~ 2650 5050
155	Connection ~ 2650 4950
156	Connection ~ 2650 4850
157	Connection ~ 2650 4750
158	Connection ~ 2650 4650
159	Connection ~ 2650 4550
160	Connection ~ 2650 4450
161	Connection ~ 2650 4350
162	Wire Wire Line
163	1050 5050 900 5050
164	Wire Wire Line
165	1050 4950 900 4950
166	Wire Wire Line
167	1050 4850 900 4850
168	Wire Wire Line
169	1050 4750 900 4750
170	Wire Wire Line
171	1050 4650 900 4650
172	Wire Wire Line
173	1050 4550 900 4550
174	Wire Wire Line
175	1050 4450 900 4450
176	Wire Wire Line
177	1050 4350 900 4350
178	Wire Wire Line
179	800 1100 1050 1100
180	Wire Wire Line
181	1050 1000 800 1000
182	Wire Wire Line
183	800 900 1050 900
184	Wire Wire Line
185	3050 4550 2900 4550
186	Wire Notes Line
187	9400 4300 4550 4300
188	Wire Notes Line
189	9400 4300 9400 3450
190	Wire Notes Line
191	9400 3450 4550 3450
192	Wire Wire Line
193	8600 3900 8750 3900
194	Wire Wire Line
195	7150 2850 7450 2850
196	Wire Wire Line
197	5200 3900 5300 3900
198	Wire Wire Line
199	950 1500 1050 1500
200	Wire Wire Line
201	2550 3900 2650 3900
202	Wire Wire Line
203	5950 3100 6100 3100
204	Wire Wire Line
205	5950 2900 6100 2900
206	Wire Wire Line
207	5150 800 4950 800
208	Wire Wire Line
209	5150 2500 4950 2500
210	Wire Wire Line
211	5150 2700 4950 2700
212	Wire Wire Line
213	5150 3000 4950 3000
214	Wire Wire Line
215	800 3350 1000 3350
216	Wire Wire Line
217	4900 3300 4900 3200
218	Wire Wire Line
219	4900 3200 5150 3200
220	Wire Wire Line
221	800 3150 1000 3150
222	Wire Wire Line
223	900 5250 1050 5250
224	Wire Wire Line
225	2450 4650 2650 4650
226	Wire Wire Line
227	2450 4550 2650 4550
228	Wire Wire Line
229	2450 4450 2650 4450
230	Wire Wire Line
231	2450 4350 2650 4350
232	Wire Wire Line
233	2450 4950 2650 4950
234	Wire Wire Line
235	2450 4750 2650 4750
236	Wire Wire Line
237	3800 1000 3800 850
238	Wire Wire Line
239	3950 1600 3550 1600
240	Wire Wire Line
241	2250 1500 2400 1500
242	Wire Wire Line
243	2250 1300 2400 1300
244	Wire Wire Line
245	2250 1100 2400 1100
246	Wire Wire Line
247	2250 900 2400 900
248	Connection ~ 3550 1400
249	Connection ~ 3550 1200
250	Connection ~ 3550 1000
251	Wire Wire Line
252	2800 1600 3150 1600
253	Wire Wire Line
254	2800 1400 3150 1400
255	Wire Wire Line
256	2800 1200 3150 1200
257	Wire Wire Line
258	2800 1000 3150 1000
259	Wire Wire Line
260	2800 900 3150 900
261	Wire Wire Line
262	2800 1100 3150 1100
263	Wire Wire Line
264	2800 1300 3150 1300
265	Wire Wire Line
266	2800 1500 3150 1500
267	Connection ~ 3550 1100
268	Connection ~ 3550 1300
269	Wire Wire Line
270	3550 1600 3550 900
271	Connection ~ 3550 1500
272	Wire Wire Line
273	2250 1000 2400 1000
274	Wire Wire Line
275	2250 1200 2400 1200
276	Wire Wire Line
277	2250 1400 2400 1400
278	Wire Wire Line
279	2250 1600 2400 1600
280	Wire Wire Line
281	950 1400 1050 1400
282	Wire Wire Line
283	3800 1500 3800 1600
284	Connection ~ 3800 1600
285	Wire Wire Line
286	7150 2950 7450 2950
287	Wire Wire Line
288	2450 4850 2650 4850
289	Wire Wire Line
290	2450 5050 2650 5050
291	Wire Wire Line
292	1050 5350 900 5350
293	Wire Wire Line
294	900 5350 900 5400
295	Wire Notes Line
296	4450 4050 350 4050
297	Wire Wire Line
298	4900 2300 5150 2300
299	Wire Wire Line
300	4900 2400 5150 2400
301	Wire Wire Line
302	5150 3100 4950 3100
303	Wire Wire Line
304	5150 2800 4950 2800
305	Wire Wire Line
306	5150 2600 4950 2600
307	Wire Wire Line
308	5150 2200 4950 2200
309	Wire Wire Line
310	5950 800 6100 800
311	Wire Wire Line
312	5950 3000 6100 3000
313	Wire Wire Line
314	5950 3200 6100 3200
315	Wire Wire Line
316	2550 3700 2650 3700
317	Wire Wire Line
318	3850 3800 4050 3800
319	Wire Wire Line
320	950 1600 1050 1600
321	Wire Wire Line
322	6500 3800 6800 3800
323	Wire Wire Line
324	8000 3900 8200 3900
325	Wire Wire Line
326	5200 3700 5300 3700
327	Wire Notes Line
328	450 1900 4550 1900
329	Wire Bus Line
330	800 1100 800 900
331	Wire Bus Line
332	9150 1700 9150 600
333	Wire Wire Line
334	4950 2900 5150 2900
335	Wire Wire Line
336	8150 3200 8150 3300
337	Wire Wire Line
338	5150 1700 4850 1700
339	Wire Bus Line
340	6250 2000 6250 1700
341	Wire Wire Line
342	5950 1800 6250 1800
343	Wire Wire Line
344	5950 2000 6250 2000
345	Wire Wire Line
346	5950 900 6100 900
347	Wire Wire Line
348	5950 1100 6100 1100
349	Wire Wire Line
350	5950 1300 6100 1300
351	Wire Wire Line
352	5950 1500 6100 1500
353	Wire Wire Line
354	5150 900 5000 900
355	Wire Wire Line
356	5150 1000 5000 1000
357	Wire Wire Line
358	5150 1100 5000 1100
359	Wire Wire Line
360	5150 1200 5000 1200
361	Wire Wire Line
362	5150 1300 5000 1300
363	Wire Wire Line
364	5150 1400 5000 1400
365	Wire Wire Line
366	5150 1500 5000 1500
367	Wire Wire Line
368	5150 1600 5000 1600
369	Wire Bus Line
370	4850 1600 4850 900
371	Wire Wire Line
372	4950 2100 5150 2100
373	Wire Wire Line
374	5950 2800 6150 2800
375	Wire Wire Line
376	5950 2100 6100 2100
377	Wire Wire Line
378	4000 2650 4000 2500
379	Connection ~ 4000 2500
380	Wire Wire Line
381	550 2550 750 2550
382	Wire Wire Line
383	1150 2150 1150 2550
384	Wire Wire Line
385	1150 2550 1650 2550
386	Wire Wire Line
387	6800 3800 6800 4000
388	Connection ~ 1150 2350
389	Connection ~ 1350 2550
390	Connection ~ 3050 3600
391	Wire Wire Line
392	1350 2000 1350 2050
393	Wire Wire Line
394	3300 2100 4300 2100
395	Connection ~ 3650 2100
396	Wire Notes Line
397	4550 4300 4550 500
398	Wire Wire Line
399	4750 4550 4750 4350
400	Wire Wire Line
401	2200 3250 2450 3250
402	Wire Wire Line
403	2300 3050 2450 3050
404	Wire Wire Line
405	4750 4350 3050 4350
406	Text Label 2300 3050 0 60 ~ 0
407	A13
408	$Comp
409	L 74LS00 U1
410	U 4 1 4CA8A6F2
411	P 3650 4650
412	F 0 "U1" H 3650 4700 60 0000 C CNN
413	F 1 "74LS00" H 3650 4550 60 0000 C CNN
414	4 3650 4650
415	1 0 0 -1
416	$EndComp
417	Text GLabel 4550 4650 0 60 Output ~ 0
418	_A3
419	$Comp
420	L CONN_3 K1
421	U 1 1 4DE12670
422	P 5100 4650
423	F 0 "K1" V 5050 4650 50 0000 C CNN
424	F 1 "CONN_3" V 5150 4650 40 0000 C CNN
425	1 5100 4650
426	1 0 0 -1
427	$EndComp
428	Text Label 7250 3050 0 60 ~ 0
429	CE
430	Text Label 6650 3800 0 60 ~ 0
431	CE
432	$Comp
433	L VCC #PWR01
434	U 1 1 4DDEB8E8
435	P 8150 600
436	F 0 "#PWR01" H 8150 700 30 0001 C CNN
437	F 1 "VCC" H 8150 700 30 0000 C CNN
438	1 8150 600
439	1 0 0 -1
440	$EndComp
441	Text Label 7150 2850 0 60 ~ 0
442	RD
443	Text Label 6100 2300 0 60 ~ 0
444	RD
445	$Comp
446	L GND #PWR02
447	U 1 1 4DC04C38
448	P 1550 2050
449	F 0 "#PWR02" H 1550 2050 30 0001 C CNN
450	F 1 "GND" H 1550 1980 30 0001 C CNN
451	1 1550 2050
452	1 0 0 -1
453	$EndComp
454	Text Label 2650 4750 0 60 ~ 0
455	IS1
456	$Comp
457	L DIODE D11
458	U 1 1 4DBD84F1
459	P 950 2550
460	F 0 "D11" H 950 2650 40 0000 C CNN
461	F 1 "DIODE" H 950 2450 40 0000 C CNN
462	1 950 2550
463	1 0 0 1
464	$EndComp
465	$Comp
466	L DIODE D2
467	U 1 1 4DBD84E4
468	P 950 2350
469	F 0 "D2" H 950 2450 40 0000 C CNN
470	F 1 "DIODE" H 950 2250 40 0000 C CNN
471	1 950 2350
472	1 0 0 1
473	$EndComp
474	$Comp
475	L DIODE D1
476	U 1 1 4DBD84DD
477	P 950 2150
478	F 0 "D1" H 950 2250 40 0000 C CNN
479	F 1 "DIODE" H 950 2050 40 0000 C CNN
480	1 950 2150
481	1 0 0 1
482	$EndComp
483	Text Label 7250 1750 0 60 ~ 0
484	IS2
485	Text Label 7250 2150 0 60 ~ 0
486	IS0
487	Text Label 7250 1650 0 60 ~ 0
488	IS1
489	$Comp
490	L 74LS00 U1
491	U 3 1 4DBD59C0
492	P 2250 2650
493	F 0 "U1" H 2250 2700 60 0000 C CNN
494	F 1 "74LS00" H 2250 2550 60 0000 C CNN
495	3 2250 2650
496	1 0 0 1
497	$EndComp
498	Text Label 550 2550 0 60 ~ 0
499	AC1
500	Text Label 2900 4550 0 60 ~ 0
501	ACFG
502	$Comp
503	L GND #PWR03
504	U 1 1 4DBD3AB8
505	P 4000 2650
506	F 0 "#PWR03" H 4000 2650 30 0001 C CNN
507	F 1 "GND" H 4000 2580 30 0001 C CNN
508	1 4000 2650
509	1 0 0 -1
510	$EndComp
511	$Comp
512	L VCC #PWR04
513	U 1 1 4DBD3AB1
514	P 4000 2050
515	F 0 "#PWR04" H 4000 2150 30 0001 C CNN
516	F 1 "VCC" H 4000 2150 30 0000 C CNN
517	1 4000 2050
518	1 0 0 -1
519	$EndComp
520	Text GLabel 6100 2100 2 60 Output ~ 0
521	MREQ
522	NoConn ~ 6100 2700
523	NoConn ~ 6100 2600
524	NoConn ~ 6100 2500
525	NoConn ~ 6100 2400
526	NoConn ~ 6100 2200
527	Text GLabel 6150 2800 2 60 Output ~ 0
528	ROMEN
529	Text Label 550 2350 0 60 ~ 0
530	AC0
531	Text Label 7250 1850 0 60 ~ 0
532	AX17
533	Text Label 7250 1950 0 60 ~ 0
534	AX18
535	Text Label 900 1100 0 60 ~ 0
536	IS2
537	Text Label 900 1000 0 60 ~ 0
538	IS1
539	Text Label 900 900 0 60 ~ 0
540	IS0
541	Text Label 2650 5050 0 60 ~ 0
542	AC1
543	Text Label 2650 4350 0 60 ~ 0
544	AC0
545	Text Label 2650 4950 0 60 ~ 0
546	AX17
547	Text Label 2650 4450 0 60 ~ 0
548	AX18
549	Text Label 2650 4550 0 60 ~ 0
550	ACFG
551	Text Label 2650 4850 0 60 ~ 0
552	IS2
553	Text Label 2650 4650 0 60 ~ 0
554	IS0
555	Text Label 2550 3700 0 60 ~ 0
556	A15
557	Text Label 2550 3900 0 60 ~ 0
558	A14
559	$Comp
560	L VCC #PWR05
561	U 1 1 4DBBEA82
562	P 4950 2100
563	F 0 "#PWR05" H 4950 2200 30 0001 C CNN
564	F 1 "VCC" H 4950 2200 30 0000 C CNN
565	1 4950 2100
566	0 -1 -1 0
567	$EndComp
568	Text Label 7250 2650 0 60 ~ 0
569	A13
570	Text Label 7250 2350 0 60 ~ 0
571	A12
572	Text Label 7250 2450 0 60 ~ 0
573	A11
574	Text Label 7250 2550 0 60 ~ 0
575	A10
576	Text Label 7250 2250 0 60 ~ 0
577	A9
578	Text Label 7250 2050 0 60 ~ 0
579	A8
580	Text Label 7250 1550 0 60 ~ 0
581	A7
582	Text Label 7250 1450 0 60 ~ 0
583	A6
584	Text Label 7250 1350 0 60 ~ 0
585	A5
586	Text Label 7250 1250 0 60 ~ 0
587	A4
588	Text Label 7250 1150 0 60 ~ 0
589	A3
590	Text Label 7250 1050 0 60 ~ 0
591	A2
592	Text Label 7250 850 0 60 ~ 0
593	A1
594	Text Label 7250 950 0 60 ~ 0
595	A0
596	Text Label 5000 900 0 60 ~ 0
597	A15
598	Text Label 6100 900 0 60 ~ 0
599	A14
600	Text Label 5000 1000 0 60 ~ 0
601	A13
602	Text Label 6100 1000 0 60 ~ 0
603	A12
604	Text Label 5000 1100 0 60 ~ 0
605	A11
606	Text Label 6100 1100 0 60 ~ 0
607	A10
608	Text Label 5000 1200 0 60 ~ 0
609	A9
610	Text Label 6100 1200 0 60 ~ 0
611	A8
612	Text Label 5000 1300 0 60 ~ 0
613	A7
614	Text Label 6100 1300 0 60 ~ 0
615	A6
616	Text Label 5000 1400 0 60 ~ 0
617	A5
618	Text Label 6100 1400 0 60 ~ 0
619	A4
620	Text Label 5000 1500 0 60 ~ 0
621	A3
622	Text Label 6100 1500 0 60 ~ 0
623	A2
624	Text Label 5000 1600 0 60 ~ 0
625	A1
626	Text Label 6100 1600 0 60 ~ 0
627	A0
628	Text Label 1000 5050 0 60 ~ 0
629	D7
630	Text Label 1000 4350 0 60 ~ 0
631	D6
632	Text Label 1000 4450 0 60 ~ 0
633	D5
634	Text Label 1000 4950 0 60 ~ 0
635	D4
636	Text Label 1000 4550 0 60 ~ 0
637	D3
638	Text Label 1000 4850 0 60 ~ 0
639	D2
640	Text Label 1000 4750 0 60 ~ 0
641	D1
642	Text Label 1000 4650 0 60 ~ 0
643	D0
644	Entry Wire Line
645	6250 2000 6350 1900
646	Entry Wire Line
647	6250 1900 6350 1800
648	Entry Wire Line
649	6250 1800 6350 1700
650	Entry Wire Line
651	6250 1700 6350 1600
652	Entry Wire Line
653	4850 2000 4950 1900
654	Entry Wire Line
655	4850 1900 4950 1800
656	Entry Wire Line
657	4850 1800 4950 1700
658	Entry Wire Line
659	4850 1700 4950 1600
660	Text Label 4950 1700 0 60 ~ 0
661	D7
662	Text Label 4950 1800 0 60 ~ 0
663	D5
664	Text Label 4950 1900 0 60 ~ 0
665	D3
666	Text Label 4950 2000 0 60 ~ 0
667	D1
668	Text Label 6100 1700 0 60 ~ 0
669	D6
670	Text Label 6100 1800 0 60 ~ 0
671	D4
672	Text Label 6100 1900 0 60 ~ 0
673	D2
674	Text Label 6100 2000 0 60 ~ 0
675	D0
676	$Comp
677	L GND #PWR06
678	U 1 1 4DBBE106
679	P 8150 3300
680	F 0 "#PWR06" H 8150 3300 30 0001 C CNN
681	F 1 "GND" H 8150 3230 30 0001 C CNN
682	1 8150 3300
683	1 0 0 -1
684	$EndComp
685	Text GLabel 4950 2900 0 60 Input ~ 0
686	ROMDIS
687	Entry Wire Line
688	9050 1550 9150 1450
689	Entry Wire Line
690	9050 1450 9150 1350
691	Entry Wire Line
692	9050 1350 9150 1250
693	Entry Wire Line
694	9050 1250 9150 1150
695	Entry Wire Line
696	9050 1150 9150 1050
697	Entry Wire Line
698	9050 1050 9150 950
699	Entry Wire Line
700	9050 950 9150 850
701	Entry Wire Line
702	9050 850 9150 750
703	Text Label 8900 1550 0 60 ~ 0
704	D7
705	Text Label 8900 1450 0 60 ~ 0
706	D6
707	Text Label 8900 1350 0 60 ~ 0
708	D5
709	Text Label 8900 850 0 60 ~ 0
710	D4
711	Text Label 8900 1250 0 60 ~ 0
712	D3
713	Text Label 8900 950 0 60 ~ 0
714	D2
715	Text Label 8900 1150 0 60 ~ 0
716	D1
717	Text Label 8900 1050 0 60 ~ 0
718	D0
719	Text Notes 1600 5050 0 60 ~ 0
720	register
721	Text Notes 1700 1500 1 60 ~ 0
722	demultiplexer
723	Entry Wire Line
724	800 1100 900 1200
725	Entry Wire Line
726	800 1000 900 1100
727	Entry Wire Line
728	800 900 900 1000
729	Text GLabel 750 2150 0 60 Input ~ 0
730	_A3
731	Text Notes 6400 3550 0 60 ~ 0
732	Rom active notification
733	Text GLabel 5200 3700 0 60 Input ~ 0
734	ROM_ACTIVE
735	Text GLabel 7150 2950 0 60 Input ~ 0
736	WR
737	Text GLabel 8750 3900 2 60 Output ~ 0
738	ROMDIS
739	$Comp
740	L 74LS00 U1
741	U 2 1 4CA89EED
742	P 7400 3900
743	F 0 "U1" H 7400 3950 60 0000 C CNN
744	F 1 "74LS00" H 7400 3800 60 0000 C CNN
745	2 7400 3900
746	1 0 0 -1
747	$EndComp
748	Text GLabel 5200 3900 0 60 Input ~ 0
749	ROMEN
750	Text GLabel 950 1600 0 60 Input ~ 0
751	MREQ
752	Text GLabel 950 1500 0 60 Input ~ 0
753	ROM_ACC
754	Text Notes 2950 3550 0 60 ~ 0
755	Rom access detection
756	Text GLabel 4050 3800 2 60 Output ~ 0
757	ROM_ACC
758	NoConn ~ 6100 2900
759	NoConn ~ 6100 3000
760	NoConn ~ 6100 3100
761	NoConn ~ 6100 3200
762	NoConn ~ 6100 800
763	NoConn ~ 4950 800
764	NoConn ~ 4950 2200
765	NoConn ~ 4950 2500
766	NoConn ~ 4950 2600
767	NoConn ~ 4950 2700
768	NoConn ~ 4950 2800
769	NoConn ~ 4950 3000
770	NoConn ~ 4950 3100
771	Text Notes 4700 550 0 60 ~ 0
772	\ncpc connector
773	Text Notes 500 3000 0 60 ~ 0
774	OUT Decoder
775	Text GLabel 800 3350 0 60 Input ~ 0
776	WR
777	Text GLabel 4900 2400 0 60 Output ~ 0
778	WR
779	$Comp
780	L GND #PWR07
781	U 1 1 4CA89326
782	P 4900 3300
783	F 0 "#PWR07" H 4900 3300 30 0001 C CNN
784	F 1 "GND" H 4900 3230 30 0001 C CNN
785	1 4900 3300
786	1 0 0 -1
787	$EndComp
788	Text GLabel 4900 2300 0 60 Output ~ 0
789	IORQ
790	Text GLabel 800 3150 0 60 Input ~ 0
791	IORQ
792	$Comp
793	L 74LS32 U3
794	U 1 1 4CA89162
795	P 1600 3250
796	F 0 "U3" H 1600 3300 60 0000 C CNN
797	F 1 "74LS32" H 1600 3200 60 0000 C CNN
798	1 1600 3250
799	1 0 0 -1
800	$EndComp
801	Text GLabel 3900 3150 2 60 Output ~ 0
802	ROMSEL
803	Text GLabel 900 5250 0 60 Input ~ 0
804	ROMSEL
805	$Comp
806	L 74LS32 U3
807	U 4 1 4CA89099
808	P 3050 3150
809	F 0 "U3" H 3050 3200 60 0000 C CNN
810	F 1 "74LS32" H 3050 3100 60 0000 C CNN
811	4 3050 3150
812	1 0 0 1
813	$EndComp
814	$Comp
815	L GND #PWR08
816	U 1 1 4CA88AFC
817	P 900 5400
818	F 0 "#PWR08" H 900 5400 30 0001 C CNN
819	F 1 "GND" H 900 5330 30 0001 C CNN
820	1 900 5400
821	1 0 0 -1
822	$EndComp
823	Text Notes 1150 4200 0 60 ~ 0
824	Current ROM number storage
825	Text Notes 600 2000 0 60 ~ 0
826	comparator
827	$Comp
828	L VCC #PWR09
829	U 1 1 4CA88282
830	P 3800 850
831	F 0 "#PWR09" H 3800 950 30 0001 C CNN
832	F 1 "VCC" H 3800 950 30 0000 C CNN
833	1 3800 850
834	1 0 0 -1
835	$EndComp
836	Text GLabel 3950 1600 2 60 Output ~ 0
837	ROM_ACTIVE
838	Text GLabel 2850 2650 2 60 Output ~ 0
839	MATCH
840	Text GLabel 950 1400 0 60 Input ~ 0
841	MATCH
842	$Comp
843	L 74LS32 U3
844	U 3 1 4CA87CE5
845	P 5900 3800
846	F 0 "U3" H 5900 3850 60 0000 C CNN
847	F 1 "74LS32" H 5900 3750 60 0000 C CNN
848	3 5900 3800
849	1 0 0 1
850	$EndComp
851	Text Notes 1800 650 0 60 ~ 0
852	Individual ROM selection
853	$Comp
854	L SRAM_512KO U6
855	U 1 1 4CA871FB
856	P 8150 1950
857	F 0 "U6" H 8250 3150 70 0000 L CNN
858	F 1 "SRAM_512KO" H 8250 750 70 0000 L CNN
859	1 8150 1950
860	1 0 0 -1
861	$EndComp
862	$Comp
863	L C C4
864	U 1 1 4CA87152
865	P 4300 2300
866	F 0 "C4" H 4350 2400 50 0000 L CNN
867	F 1 "C" H 4350 2200 50 0000 L CNN
868	1 4300 2300
869	1 0 0 -1
870	$EndComp
871	$Comp
872	L C C3
873	U 1 1 4CA87151
874	P 4000 2300
875	F 0 "C3" H 4050 2400 50 0000 L CNN
876	F 1 "C" H 4050 2200 50 0000 L CNN
877	1 4000 2300
878	1 0 0 -1
879	$EndComp
880	$Comp
881	L CP1 C5
882	U 1 1 4CA87146
883	P 3650 2300
884	F 0 "C5" H 3700 2400 50 0000 L CNN
885	F 1 "CP1" H 3700 2200 50 0000 L CNN
886	1 3650 2300
887	1 0 0 -1
888	$EndComp
889	$Comp
890	L CONN_25X2 P1
891	U 1 1 4CA8712F
892	P 5550 2000
893	F 0 "P1" H 5550 3300 60 0000 C CNN
894	F 1 "CONN_25X2" V 5550 2000 50 0000 C CNN
895	1 5550 2000
896	1 0 0 -1
897	$EndComp
898	$Comp
899	L C C2
900	U 1 1 4CA870EF
901	P 3300 2300
902	F 0 "C2" H 3350 2400 50 0000 L CNN
903	F 1 "C" H 3350 2200 50 0000 L CNN
904	1 3300 2300
905	1 0 0 -1
906	$EndComp
907	$Comp
908	L R R2
909	U 1 1 4CA870D9
910	P 1350 2300
911	F 0 "R2" V 1430 2300 50 0000 C CNN
912	F 1 "10KR" V 1350 2300 50 0000 C CNN
913	1 1350 2300
914	-1 0 0 1
915	$EndComp
916	$Comp
917	L R R8
918	U 1 1 4CA870C2
919	P 3800 1250
920	F 0 "R8" V 3880 1250 50 0000 C CNN
921	F 1 "R" V 3800 1250 50 0000 C CNN
922	1 3800 1250
923	1 0 0 -1
924	$EndComp
925	$Comp
926	L DIODE D13
927	U 1 1 4CA870AA
928	P 8400 3900
929	F 0 "D13" H 8400 4000 40 0000 C CNN
930	F 1 "DIODE" H 8400 3800 40 0000 C CNN
931	1 8400 3900
932	1 0 0 -1
933	$EndComp
934	$Comp
935	L DIODE D10
936	U 1 1 4CA8709A
937	P 3350 1600
938	F 0 "D10" H 3350 1700 40 0000 C CNN
939	F 1 "DIODE" H 3350 1500 40 0000 C CNN
940	1 3350 1600
941	-1 0 0 -1
942	$EndComp
943	$Comp
944	L DIODE D9
945	U 1 1 4CA87098
946	P 3350 1500
947	F 0 "D9" H 3350 1600 40 0000 C CNN
948	F 1 "DIODE" H 3350 1400 40 0000 C CNN
949	1 3350 1500
950	-1 0 0 -1
951	$EndComp
952	$Comp
953	L DIODE D8
954	U 1 1 4CA87095
955	P 3350 1400
956	F 0 "D8" H 3350 1500 40 0000 C CNN
957	F 1 "DIODE" H 3350 1300 40 0000 C CNN
958	1 3350 1400
959	-1 0 0 -1
960	$EndComp
961	$Comp
962	L DIODE D7
963	U 1 1 4CA87093
964	P 3350 1300
965	F 0 "D7" H 3350 1400 40 0000 C CNN
966	F 1 "DIODE" H 3350 1200 40 0000 C CNN
967	1 3350 1300
968	-1 0 0 -1
969	$EndComp
970	$Comp
971	L DIODE D6
972	U 1 1 4CA87092
973	P 3350 1200
974	F 0 "D6" H 3350 1300 40 0000 C CNN
975	F 1 "DIODE" H 3350 1100 40 0000 C CNN
976	1 3350 1200
977	-1 0 0 -1
978	$EndComp
979	$Comp
980	L DIODE D5
981	U 1 1 4CA87090
982	P 3350 1100
983	F 0 "D5" H 3350 1200 40 0000 C CNN
984	F 1 "DIODE" H 3350 1000 40 0000 C CNN
985	1 3350 1100
986	-1 0 0 -1
987	$EndComp
988	$Comp
989	L DIODE D4
990	U 1 1 4CA8708D
991	P 3350 1000
992	F 0 "D4" H 3350 1100 40 0000 C CNN
993	F 1 "DIODE" H 3350 900 40 0000 C CNN
994	1 3350 1000
995	-1 0 0 -1
996	$EndComp
997	$Comp
998	L DIODE D3
999	U 1 1 4CA87086
1000	P 3350 900
1001	F 0 "D3" H 3350 1000 40 0000 C CNN
1002	F 1 "DIODE" H 3350 800 40 0000 C CNN
1003	1 3350 900
1004	-1 0 0 -1
1005	$EndComp
1006	$Comp
1007	L DIPS_08 SW_ROMEN1
1008	U 1 1 4CA8706E
1009	P 2600 1250
1010	F 0 "SW_ROMEN1" V 2150 1250 60 0000 C CNN
1011	F 1 "DIPS_08" V 3050 1250 60 0000 C CNN
1012	1 2600 1250
1013	0 1 1 0
1014	$EndComp
1015	$Comp
1016	L 74LS374 U4
1017	U 1 1 4CA86E68
1018	P 1750 4850
1019	F 0 "U4" H 1750 4850 60 0000 C CNN
1020	F 1 "74LS374" H 1800 4500 60 0000 C CNN
1021	1 1750 4850
1022	1 0 0 -1
1023	$EndComp
1024	$Comp
1025	L 74LS00 U1
1026	U 1 1 4CA86E52
1027	P 3250 3800
1028	F 0 "U1" H 3250 3850 60 0000 C CNN
1029	F 1 "74LS00" H 3250 3700 60 0000 C CNN
1030	1 3250 3800
1031	1 0 0 -1
1032	$EndComp
1033	$Comp
1034	L 74LS138 U2
1035	U 1 1 4CA86E2A
1036	P 1650 1250
1037	F 0 "U2" H 1750 1750 60 0000 C CNN
1038	F 1 "74LS138" H 1800 701 60 0000 C CNN
1039	1 1650 1250
1040	1 0 0 -1
1041	$EndComp
1042	$EndSCHEMATC

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

source: avrstuff/CPC stuff/gordon/ramcard.sch@ c77bee7

Download in other formats: