ramcard.sch@ 9546d8e

main

Last change on this file since 9546d8e was 9546d8e, checked in by Adrien Destugues <pulkomandy@…>, 14 years ago

Ajout du schéma de la ramcard (par ram7) pour référence et éventuelles modifs futures
Ajout du µSerial (pas fini)

git-svn-id: svn://pulkomandy.tk/avrstuff@21 c6672c3c-f6b6-47f9-9001-1fd6b12fecbe

Property mode set to 100644

File size: 17.7 KB

Line
1	EESchema Schematic File Version 2 date 03/10/2010 19:38:50
2	LIBS:power
3	LIBS:device
4	LIBS:transistors
5	LIBS:conn
6	LIBS:linear
7	LIBS:regul
8	LIBS:74xx
9	LIBS:cmos4000
10	LIBS:adc-dac
11	LIBS:memory
12	LIBS:xilinx
13	LIBS:special
14	LIBS:microcontrollers
15	LIBS:dsp
16	LIBS:microchip
17	LIBS:analog_switches
18	LIBS:motorola
19	LIBS:texas
20	LIBS:intel
21	LIBS:audio
22	LIBS:interface
23	LIBS:digital-audio
24	LIBS:philips
25	LIBS:display
26	LIBS:cypress
27	LIBS:siliconi
28	LIBS:opto
29	LIBS:atmel
30	LIBS:contrib
31	LIBS:valves
32	LIBS:dips-s
33	LIBS:flashmemory
34	LIBS:ramcard-cache
35	EELAYER 24 0
36	EELAYER END
37	$Descr A4 11700 8267
38	Sheet 1 1
39	Title ""
40	Date "3 oct 2010"
41	Rev ""
42	Comp ""
43	Comment1 ""
44	Comment2 ""
45	Comment3 ""
46	Comment4 ""
47	$EndDescr
48	Text Notes 1600 5050 0 60 ~ 0
49	register
50	Text Notes 1700 1500 1 60 ~ 0
51	demultiplexer
52	Text Label 500 1050 0 60 ~ 0
53	A[0..3]
54	Entry Wire Line
55	800 1100 900 1200
56	Entry Wire Line
57	800 1000 900 1100
58	Entry Wire Line
59	800 900 900 1000
60	Wire Bus Line
61	800 900 800 1100
62	Wire Wire Line
63	3850 2200 3850 2350
64	Wire Wire Line
65	6200 5350 6500 5350
66	Wire Wire Line
67	5000 5450 5000 5250
68	Wire Notes Line
69	450 1900 4550 1900
70	Wire Notes Line
71	7450 4100 7450 3450
72	Wire Notes Line
73	7450 3450 6800 3450
74	Wire Wire Line
75	5200 4350 5300 4350
76	Wire Wire Line
77	6800 4650 6800 4450
78	Wire Wire Line
79	8000 4550 8200 4550
80	Wire Wire Line
81	6800 4450 6500 4450
82	Connection ~ 5300 3950
83	Wire Wire Line
84	5350 3950 5200 3950
85	Wire Wire Line
86	950 1600 1050 1600
87	Wire Bus Line
88	2900 6750 3100 6750
89	Wire Wire Line
90	2250 7150 2450 7150
91	Wire Wire Line
92	950 7050 1050 7050
93	Wire Wire Line
94	5950 3200 6100 3200
95	Wire Wire Line
96	5950 3000 6100 3000
97	Wire Wire Line
98	5950 800 6100 800
99	Wire Wire Line
100	5150 2200 4950 2200
101	Wire Wire Line
102	5150 2600 4950 2600
103	Wire Wire Line
104	5150 2800 4950 2800
105	Wire Wire Line
106	5150 3100 4950 3100
107	Wire Wire Line
108	1100 5850 1000 5850
109	Wire Wire Line
110	4900 2400 5150 2400
111	Wire Wire Line
112	4900 2300 5150 2300
113	Wire Wire Line
114	1100 6050 1100 6200
115	Wire Wire Line
116	1100 6200 2300 6200
117	Wire Wire Line
118	2300 6200 2300 6500
119	Wire Wire Line
120	2300 5950 2450 5950
121	Wire Notes Line
122	4550 4050 450 4050
123	Wire Bus Line
124	2650 4650 2650 4350
125	Wire Wire Line
126	900 5400 900 5350
127	Wire Wire Line
128	900 5350 1050 5350
129	Wire Wire Line
130	2450 5050 2650 5050
131	Wire Wire Line
132	2450 4850 2650 4850
133	Wire Wire Line
134	2050 3450 1850 3450
135	Wire Wire Line
136	2050 3250 1850 3250
137	Wire Wire Line
138	8850 3650 9150 3650
139	Wire Wire Line
140	1650 3350 1650 3650
141	Connection ~ 1900 2150
142	Wire Wire Line
143	1900 2350 1900 2150
144	Wire Wire Line
145	2000 2450 2000 2150
146	Wire Wire Line
147	2000 2150 1700 2150
148	Wire Wire Line
149	2050 2750 1650 2750
150	Connection ~ 1250 2750
151	Wire Wire Line
152	1250 2650 1250 2950
153	Connection ~ 3800 1600
154	Wire Wire Line
155	3800 1500 3800 1600
156	Wire Wire Line
157	950 1400 1050 1400
158	Wire Wire Line
159	1650 2950 2050 2950
160	Wire Wire Line
161	2250 1600 2400 1600
162	Wire Wire Line
163	2250 1400 2400 1400
164	Wire Wire Line
165	2250 1200 2400 1200
166	Wire Wire Line
167	2250 1000 2400 1000
168	Connection ~ 3550 1500
169	Wire Wire Line
170	3550 900 3550 1600
171	Connection ~ 3550 1300
172	Connection ~ 3550 1100
173	Wire Wire Line
174	2800 1500 3150 1500
175	Wire Wire Line
176	2800 1300 3150 1300
177	Wire Wire Line
178	2800 1100 3150 1100
179	Wire Wire Line
180	2800 900 3150 900
181	Wire Wire Line
182	2800 1000 3150 1000
183	Wire Wire Line
184	2800 1200 3150 1200
185	Wire Wire Line
186	2800 1400 3150 1400
187	Wire Wire Line
188	2800 1600 3150 1600
189	Connection ~ 3550 1000
190	Connection ~ 3550 1200
191	Connection ~ 3550 1400
192	Wire Wire Line
193	2250 900 2400 900
194	Wire Wire Line
195	2250 1100 2400 1100
196	Wire Wire Line
197	2250 1300 2400 1300
198	Wire Wire Line
199	2250 1500 2400 1500
200	Wire Wire Line
201	1650 2850 2050 2850
202	Wire Wire Line
203	3450 3450 3650 3450
204	Wire Wire Line
205	3550 1600 3950 1600
206	Wire Wire Line
207	3800 1000 3800 850
208	Connection ~ 1250 2850
209	Wire Wire Line
210	1250 2800 1000 2800
211	Wire Wire Line
212	1000 2800 1000 2850
213	Connection ~ 1250 2800
214	Wire Wire Line
215	2050 2650 1650 2650
216	Wire Wire Line
217	1800 2250 1800 2150
218	Connection ~ 1800 2150
219	Wire Wire Line
220	1850 2150 1850 2050
221	Connection ~ 1850 2150
222	Wire Wire Line
223	1000 3600 1150 3600
224	Wire Bus Line
225	1850 3150 1850 3450
226	Wire Wire Line
227	2050 3150 1850 3150
228	Wire Wire Line
229	2050 3350 1850 3350
230	Wire Wire Line
231	2450 4750 2650 4750
232	Wire Wire Line
233	2450 4950 2650 4950
234	Wire Bus Line
235	2650 4750 2650 5050
236	Wire Wire Line
237	2450 4350 2650 4350
238	Wire Wire Line
239	2450 4450 2650 4450
240	Wire Wire Line
241	2450 4550 2650 4550
242	Wire Wire Line
243	2450 4650 2650 4650
244	Wire Notes Line
245	4550 450 4550 5550
246	Wire Notes Line
247	4550 5550 450 5550
248	Wire Wire Line
249	900 5250 1050 5250
250	Wire Wire Line
251	900 6400 1100 6400
252	Wire Wire Line
253	5150 3200 4900 3200
254	Wire Wire Line
255	4900 3200 4900 3300
256	Wire Wire Line
257	900 6600 1100 6600
258	Wire Notes Line
259	2900 6750 450 6750
260	Wire Wire Line
261	5150 3000 4950 3000
262	Wire Wire Line
263	5150 2700 4950 2700
264	Wire Wire Line
265	5150 2500 4950 2500
266	Wire Wire Line
267	5150 800 4950 800
268	Wire Wire Line
269	5950 2900 6100 2900
270	Wire Wire Line
271	5950 3100 6100 3100
272	Wire Bus Line
273	6800 450 6800 3450
274	Wire Bus Line
275	6800 3450 4550 3450
276	Wire Wire Line
277	950 7250 1050 7250
278	Wire Bus Line
279	3100 5550 3100 7800
280	Wire Wire Line
281	950 1500 1050 1500
282	Wire Wire Line
283	5200 4550 5300 4550
284	Wire Wire Line
285	5200 3750 5350 3750
286	Wire Wire Line
287	6550 3850 6850 3850
288	Wire Wire Line
289	8850 3550 9150 3550
290	Wire Wire Line
291	8600 4550 8750 4550
292	Wire Notes Line
293	4550 4100 9400 4100
294	Wire Notes Line
295	9400 4100 9400 4950
296	Wire Notes Line
297	9400 4950 4550 4950
298	Wire Wire Line
299	1100 3350 1250 3350
300	Wire Wire Line
301	5000 5250 4850 5250
302	Wire Wire Line
303	1650 3050 1800 3050
304	Wire Wire Line
305	1800 3050 1800 3700
306	Wire Wire Line
307	1800 3700 4050 3700
308	Wire Wire Line
309	4050 3700 4050 2850
310	Wire Wire Line
311	4050 2850 3450 2850
312	Wire Wire Line
313	1150 3050 1250 3050
314	Wire Wire Line
315	800 900 1050 900
316	Wire Wire Line
317	800 1000 1050 1000
318	Wire Wire Line
319	800 1100 1050 1100
320	Text Label 850 1100 0 60 ~ 0
321	A2
322	Text Label 850 1000 0 60 ~ 0
323	A1
324	Text Label 850 900 0 60 ~ 0
325	A0
326	Text GLabel 3850 2200 1 60 Input ~ 0
327	A3
328	Text GLabel 1150 3050 0 60 Input ~ 0
329	_A3
330	Text GLabel 6500 5350 2 60 Output ~ 0
331	_A3
332	Text GLabel 4850 5250 0 60 Input ~ 0
333	A3
334	Text GLabel 1100 3350 0 60 Input ~ 0
335	WRITE_EN
336	Text Notes 6400 4200 0 60 ~ 0
337	Rom active notification
338	Text Notes 4900 3600 0 60 ~ 0
339	Write detection
340	Text GLabel 5200 4350 0 60 Input ~ 0
341	ROM_ACTIVE
342	Text GLabel 5200 3750 0 60 Input ~ 0
343	WR
344	$Comp
345	L 74LS00 U?
346	U 4 1 4CA8A6F2
347	P 5600 5350
348	F 0 "U?" H 5600 5400 60 0000 C CNN
349	F 1 "74LS00" H 5600 5250 60 0000 C CNN
350	4 5600 5350
351	1 0 0 -1
352	$EndComp
353	Text GLabel 8850 3550 0 60 Input ~ 0
354	ROM_ACTIVE
355	Text GLabel 6850 3850 2 60 Output ~ 0
356	WRITE_EN
357	Text GLabel 8750 4550 2 60 Output ~ 0
358	ROMDIS
359	$Comp
360	L 74LS00 U?
361	U 2 1 4CA89EED
362	P 7400 4550
363	F 0 "U?" H 7400 4600 60 0000 C CNN
364	F 1 "74LS00" H 7400 4450 60 0000 C CNN
365	2 7400 4550
366	1 0 0 -1
367	$EndComp
368	Text GLabel 5200 4550 0 60 Input ~ 0
369	ROMEN
370	Text GLabel 5200 3950 0 60 Input ~ 0
371	ROM_ACTIVE
372	Text GLabel 950 1600 0 60 Input ~ 0
373	MREQ
374	Text GLabel 950 1500 0 60 Input ~ 0
375	ROM_ACC
376	Text Notes 650 6900 0 60 ~ 0
377	Rom access detection
378	Text GLabel 2450 7150 2 60 Output ~ 0
379	ROM_ACC
380	Text GLabel 950 7250 0 60 Input ~ 0
381	CPC_A15
382	Text GLabel 950 7050 0 60 Input ~ 0
383	CPC_A14
384	NoConn ~ 6100 2900
385	NoConn ~ 6100 3000
386	NoConn ~ 6100 3100
387	NoConn ~ 6100 3200
388	NoConn ~ 6100 800
389	NoConn ~ 4950 800
390	NoConn ~ 4950 2200
391	NoConn ~ 4950 2500
392	NoConn ~ 4950 2600
393	NoConn ~ 4950 2700
394	NoConn ~ 4950 2800
395	NoConn ~ 4950 3000
396	NoConn ~ 4950 3100
397	Text Notes 4700 550 0 60 ~ 0
398	\ncpc connector
399	Text Notes 600 5700 0 60 ~ 0
400	OUT Decoder
401	Text GLabel 1000 5850 0 60 Input ~ 0
402	CPC_A13
403	Text GLabel 900 6600 0 60 Input ~ 0
404	WR
405	Text GLabel 4900 2400 0 60 Output ~ 0
406	WR
407	$Comp
408	L GND #PWR?
409	U 1 1 4CA89326
410	P 4900 3300
411	F 0 "#PWR?" H 4900 3300 30 0001 C CNN
412	F 1 "GND" H 4900 3230 30 0001 C CNN
413	1 4900 3300
414	1 0 0 -1
415	$EndComp
416	Text GLabel 4900 2300 0 60 Output ~ 0
417	IORQ
418	Text GLabel 900 6400 0 60 Input ~ 0
419	IORQ
420	$Comp
421	L 74LS32 U?
422	U 1 1 4CA89162
423	P 1700 6500
424	F 0 "U?" H 1700 6550 60 0000 C CNN
425	F 1 "74LS32" H 1700 6450 60 0000 C CNN
426	1 1700 6500
427	1 0 0 -1
428	$EndComp
429	Text GLabel 2450 5950 2 60 Output ~ 0
430	ROMSEL
431	Text GLabel 900 5250 0 60 Input ~ 0
432	ROMSEL
433	$Comp
434	L 74LS32 U?
435	U 4 1 4CA89099
436	P 1700 5950
437	F 0 "U?" H 1700 6000 60 0000 C CNN
438	F 1 "74LS32" H 1700 5900 60 0000 C CNN
439	4 1700 5950
440	1 0 0 -1
441	$EndComp
442	Text Notes 2800 4650 0 60 ~ 0
443	To individual rom select
444	Text Notes 2800 5050 0 60 ~ 0
445	To address comparator
446	Entry Wire Line
447	2650 4650 2750 4750
448	Entry Wire Line
449	2650 4550 2750 4650
450	Entry Wire Line
451	2650 4450 2750 4550
452	Entry Wire Line
453	2650 4350 2750 4450
454	Text Label 2700 4550 0 60 ~ 0
455	A[0..3]
456	Text Label 2500 4650 0 60 ~ 0
457	A3
458	Text Label 2500 4550 0 60 ~ 0
459	A2
460	Text Label 2500 4450 0 60 ~ 0
461	A1
462	Text Label 2500 4350 0 60 ~ 0
463	A0
464	$Comp
465	L GND #PWR?
466	U 1 1 4CA88AFC
467	P 900 5400
468	F 0 "#PWR?" H 900 5400 30 0001 C CNN
469	F 1 "GND" H 900 5330 30 0001 C CNN
470	1 900 5400
471	1 0 0 -1
472	$EndComp
473	Entry Wire Line
474	2650 5050 2750 5150
475	Entry Wire Line
476	2650 4950 2750 5050
477	Entry Wire Line
478	2650 4850 2750 4950
479	Entry Wire Line
480	2650 4750 2750 4850
481	Entry Wire Line
482	1850 3350 1950 3450
483	Entry Wire Line
484	1850 3250 1950 3350
485	Entry Wire Line
486	1850 3150 1950 3250
487	Text Label 1850 3550 0 60 ~ 0
488	A[4..7]
489	Text Label 2650 4900 0 60 ~ 0
490	A[4..7]
491	Text Label 2500 5050 0 60 ~ 0
492	A7
493	Text Label 2500 4950 0 60 ~ 0
494	A6
495	Text Label 2500 4850 0 60 ~ 0
496	A5
497	Text Label 2500 4750 0 60 ~ 0
498	A4
499	Text Label 1900 3450 0 60 ~ 0
500	A4
501	Text Label 1900 3350 0 60 ~ 0
502	A5
503	Text Label 1900 3250 0 60 ~ 0
504	A6
505	Text Label 1900 3150 0 60 ~ 0
506	A7
507	Text Notes 1150 4200 0 60 ~ 0
508	Current ROM number storage
509	Text GLabel 8850 3650 0 60 Input ~ 0
510	WRITE
511	$Comp
512	L VCC #PWR?
513	U 1 1 4CA884DF
514	P 1000 3600
515	F 0 "#PWR?" H 1000 3700 30 0001 C CNN
516	F 1 "VCC" H 1000 3700 30 0000 C CNN
517	1 1000 3600
518	0 -1 -1 0
519	$EndComp
520	Text GLabel 1650 3650 3 60 Output ~ 0
521	WRITE
522	Text Notes 2500 2550 0 60 ~ 0
523	comparator
524	$Comp
525	L VCC #PWR?
526	U 1 1 4CA88394
527	P 1850 2050
528	F 0 "#PWR?" H 1850 2150 30 0001 C CNN
529	F 1 "VCC" H 1850 2150 30 0000 C CNN
530	1 1850 2050
531	1 0 0 -1
532	$EndComp
533	$Comp
534	L GND #PWR?
535	U 1 1 4CA882D1
536	P 1000 2850
537	F 0 "#PWR?" H 1000 2850 30 0001 C CNN
538	F 1 "GND" H 1000 2780 30 0001 C CNN
539	1 1000 2850
540	1 0 0 -1
541	$EndComp
542	$Comp
543	L VCC #PWR?
544	U 1 1 4CA88282
545	P 3800 850
546	F 0 "#PWR?" H 3800 950 30 0001 C CNN
547	F 1 "VCC" H 3800 950 30 0000 C CNN
548	1 3800 850
549	1 0 0 -1
550	$EndComp
551	Text GLabel 3950 1600 2 60 Output ~ 0
552	ROM_ACTIVE
553	Text GLabel 3650 3450 2 60 Output ~ 0
554	MATCH
555	Text GLabel 950 1400 0 60 Input ~ 0
556	MATCH
557	$Comp
558	L 74LS32 U?
559	U 3 1 4CA87CE5
560	P 5900 4450
561	F 0 "U?" H 5900 4500 60 0000 C CNN
562	F 1 "74LS32" H 5900 4400 60 0000 C CNN
563	3 5900 4450
564	1 0 0 -1
565	$EndComp
566	Text Notes 1800 650 0 60 ~ 0
567	Individual ROM selection
568	$Comp
569	L BATTERY BT?
570	U 1 1 4CA87798
571	P 7450 3000
572	F 0 "BT?" H 7450 3200 50 0000 C CNN
573	F 1 "BATTERY" H 7450 2810 50 0000 C CNN
574	1 7450 3000
575	1 0 0 -1
576	$EndComp
577	$Comp
578	L SRAM_512KO U?
579	U 1 1 4CA871FB
580	P 9850 2650
581	F 0 "U?" H 9950 3850 70 0000 L CNN
582	F 1 "SRAM_512KO" H 9950 1450 70 0000 L CNN
583	1 9850 2650
584	1 0 0 -1
585	$EndComp
586	$Comp
587	L BC307 Q?
588	U 1 1 4CA87175
589	P 5600 6550
590	F 0 "Q?" H 5800 6450 50 0000 C CNN
591	F 1 "BC307" H 5850 6700 50 0000 C CNN
592	1 5600 6550
593	1 0 0 -1
594	$EndComp
595	$Comp
596	L C C?
597	U 1 1 4CA87152
598	P 6850 6500
599	F 0 "C?" H 6900 6600 50 0000 L CNN
600	F 1 "C" H 6900 6400 50 0000 L CNN
601	1 6850 6500
602	1 0 0 -1
603	$EndComp
604	$Comp
605	L C C?
606	U 1 1 4CA87151
607	P 6600 6500
608	F 0 "C?" H 6650 6600 50 0000 L CNN
609	F 1 "C" H 6650 6400 50 0000 L CNN
610	1 6600 6500
611	1 0 0 -1
612	$EndComp
613	$Comp
614	L CP1 C?
615	U 1 1 4CA87148
616	P 4650 7000
617	F 0 "C?" H 4700 7100 50 0000 L CNN
618	F 1 "CP1" H 4700 6900 50 0000 L CNN
619	1 4650 7000
620	1 0 0 -1
621	$EndComp
622	$Comp
623	L CP1 C?
624	U 1 1 4CA87146
625	P 4150 7000
626	F 0 "C?" H 4200 7100 50 0000 L CNN
627	F 1 "CP1" H 4200 6900 50 0000 L CNN
628	1 4150 7000
629	1 0 0 -1
630	$EndComp
631	$Comp
632	L CONN_25X2 P?
633	U 1 1 4CA8712F
634	P 5550 2000
635	F 0 "P?" H 5550 3300 60 0000 C CNN
636	F 1 "CONN_25X2" V 5550 2000 50 0000 C CNN
637	1 5550 2000
638	1 0 0 -1
639	$EndComp
640	$Comp
641	L C C?
642	U 1 1 4CA870EF
643	P 6250 6500
644	F 0 "C?" H 6300 6600 50 0000 L CNN
645	F 1 "C" H 6300 6400 50 0000 L CNN
646	1 6250 6500
647	1 0 0 -1
648	$EndComp
649	$Comp
650	L R R?
651	U 1 1 4CA870E2
652	P 3850 2600
653	F 0 "R?" V 3930 2600 50 0000 C CNN
654	F 1 "R" V 3850 2600 50 0000 C CNN
655	1 3850 2600
656	1 0 0 -1
657	$EndComp
658	$Comp
659	L R R?
660	U 1 1 4CA870DC
661	P 4650 6300
662	F 0 "R?" V 4730 6300 50 0000 C CNN
663	F 1 "R" V 4650 6300 50 0000 C CNN
664	1 4650 6300
665	1 0 0 -1
666	$EndComp
667	$Comp
668	L R R?
669	U 1 1 4CA870DB
670	P 4400 6300
671	F 0 "R?" V 4480 6300 50 0000 C CNN
672	F 1 "R" V 4400 6300 50 0000 C CNN
673	1 4400 6300
674	1 0 0 -1
675	$EndComp
676	$Comp
677	L R R?
678	U 1 1 4CA870DA
679	P 4150 6300
680	F 0 "R?" V 4230 6300 50 0000 C CNN
681	F 1 "R" V 4150 6300 50 0000 C CNN
682	1 4150 6300
683	1 0 0 -1
684	$EndComp
685	$Comp
686	L R R?
687	U 1 1 4CA870D9
688	P 1400 3600
689	F 0 "R?" V 1480 3600 50 0000 C CNN
690	F 1 "10KR" V 1400 3600 50 0000 C CNN
691	1 1400 3600
692	0 1 1 0
693	$EndComp
694	$Comp
695	L R R?
696	U 1 1 4CA870D8
697	P 2000 2700
698	F 0 "R?" V 2080 2700 50 0000 C CNN
699	F 1 "10KR" V 2000 2700 50 0000 C CNN
700	1 2000 2700
701	1 0 0 -1
702	$EndComp
703	$Comp
704	L R R?
705	U 1 1 4CA870D0
706	P 1900 2600
707	F 0 "R?" V 1980 2600 50 0000 C CNN
708	F 1 "10KR" V 1900 2600 50 0000 C CNN
709	1 1900 2600
710	1 0 0 -1
711	$EndComp
712	$Comp
713	L R R?
714	U 1 1 4CA870CB
715	P 1800 2500
716	F 0 "R?" V 1880 2500 50 0000 C CNN
717	F 1 "10KR" V 1800 2500 50 0000 C CNN
718	1 1800 2500
719	1 0 0 -1
720	$EndComp
721	$Comp
722	L R R?
723	U 1 1 4CA870C7
724	P 1700 2400
725	F 0 "R?" V 1780 2400 50 0000 C CNN
726	F 1 "10KR" V 1700 2400 50 0000 C CNN
727	1 1700 2400
728	1 0 0 -1
729	$EndComp
730	$Comp
731	L R R?
732	U 1 1 4CA870C2
733	P 3800 1250
734	F 0 "R?" V 3880 1250 50 0000 C CNN
735	F 1 "R" V 3800 1250 50 0000 C CNN
736	1 3800 1250
737	1 0 0 -1
738	$EndComp
739	$Comp
740	L DIODE D?
741	U 1 1 4CA870B3
742	P 7200 2500
743	F 0 "D?" H 7200 2600 40 0000 C CNN
744	F 1 "DIODE" H 7200 2400 40 0000 C CNN
745	1 7200 2500
746	1 0 0 -1
747	$EndComp
748	$Comp
749	L DIODE D?
750	U 1 1 4CA870AF
751	P 7150 2000
752	F 0 "D?" H 7150 2100 40 0000 C CNN
753	F 1 "DIODE" H 7150 1900 40 0000 C CNN
754	1 7150 2000
755	1 0 0 -1
756	$EndComp
757	$Comp
758	L DIODE D?
759	U 1 1 4CA870AC
760	P 7150 1650
761	F 0 "D?" H 7150 1750 40 0000 C CNN
762	F 1 "DIODE" H 7150 1550 40 0000 C CNN
763	1 7150 1650
764	1 0 0 -1
765	$EndComp
766	$Comp
767	L DIODE D?
768	U 1 1 4CA870AA
769	P 8400 4550
770	F 0 "D?" H 8400 4650 40 0000 C CNN
771	F 1 "DIODE" H 8400 4450 40 0000 C CNN
772	1 8400 4550
773	1 0 0 -1
774	$EndComp
775	$Comp
776	L DIODE D?
777	U 1 1 4CA870A4
778	P 8400 2300
779	F 0 "D?" H 8400 2400 40 0000 C CNN
780	F 1 "DIODE" H 8400 2200 40 0000 C CNN
781	1 8400 2300
782	1 0 0 -1
783	$EndComp
784	$Comp
785	L DIODE D?
786	U 1 1 4CA8709A
787	P 3350 1600
788	F 0 "D?" H 3350 1700 40 0000 C CNN
789	F 1 "DIODE" H 3350 1500 40 0000 C CNN
790	1 3350 1600
791	-1 0 0 -1
792	$EndComp
793	$Comp
794	L DIODE D?
795	U 1 1 4CA87098
796	P 3350 1500
797	F 0 "D?" H 3350 1600 40 0000 C CNN
798	F 1 "DIODE" H 3350 1400 40 0000 C CNN
799	1 3350 1500
800	-1 0 0 -1
801	$EndComp
802	$Comp
803	L DIODE D?
804	U 1 1 4CA87095
805	P 3350 1400
806	F 0 "D?" H 3350 1500 40 0000 C CNN
807	F 1 "DIODE" H 3350 1300 40 0000 C CNN
808	1 3350 1400
809	-1 0 0 -1
810	$EndComp
811	$Comp
812	L DIODE D?
813	U 1 1 4CA87093
814	P 3350 1300
815	F 0 "D?" H 3350 1400 40 0000 C CNN
816	F 1 "DIODE" H 3350 1200 40 0000 C CNN
817	1 3350 1300
818	-1 0 0 -1
819	$EndComp
820	$Comp
821	L DIODE D?
822	U 1 1 4CA87092
823	P 3350 1200
824	F 0 "D?" H 3350 1300 40 0000 C CNN
825	F 1 "DIODE" H 3350 1100 40 0000 C CNN
826	1 3350 1200
827	-1 0 0 -1
828	$EndComp
829	$Comp
830	L DIODE D?
831	U 1 1 4CA87090
832	P 3350 1100
833	F 0 "D?" H 3350 1200 40 0000 C CNN
834	F 1 "DIODE" H 3350 1000 40 0000 C CNN
835	1 3350 1100
836	-1 0 0 -1
837	$EndComp
838	$Comp
839	L DIODE D?
840	U 1 1 4CA8708D
841	P 3350 1000
842	F 0 "D?" H 3350 1100 40 0000 C CNN
843	F 1 "DIODE" H 3350 900 40 0000 C CNN
844	1 3350 1000
845	-1 0 0 -1
846	$EndComp
847	$Comp
848	L DIODE D?
849	U 1 1 4CA87086
850	P 3350 900
851	F 0 "D?" H 3350 1000 40 0000 C CNN
852	F 1 "DIODE" H 3350 800 40 0000 C CNN
853	1 3350 900
854	-1 0 0 -1
855	$EndComp
856	$Comp
857	L DIPS_08 SW_CFG
858	U 1 1 4CA87071
859	P 1450 3000
860	F 0 "SW_CFG" V 1000 3000 60 0000 C CNN
861	F 1 "DIPS_08" V 1900 3000 60 0000 C CNN
862	1 1450 3000
863	0 1 1 0
864	$EndComp
865	$Comp
866	L DIPS_08 SW_ROMEN
867	U 1 1 4CA8706E
868	P 2600 1250
869	F 0 "SW_ROMEN" V 2150 1250 60 0000 C CNN
870	F 1 "DIPS_08" V 3050 1250 60 0000 C CNN
871	1 2600 1250
872	0 1 1 0
873	$EndComp
874	$Comp
875	L 74LS85 U?
876	U 1 1 4CA86E70
877	P 2750 3050
878	F 0 "U?" H 2800 3150 60 0000 C CNN
879	F 1 "74LS85" H 2800 3000 60 0000 C CNN
880	1 2750 3050
881	1 0 0 -1
882	$EndComp
883	$Comp
884	L 74LS374 U?
885	U 1 1 4CA86E68
886	P 1750 4850
887	F 0 "U?" H 1750 4850 60 0000 C CNN
888	F 1 "74LS374" H 1800 4500 60 0000 C CNN
889	1 1750 4850
890	1 0 0 -1
891	$EndComp
892	$Comp
893	L 74LS32 U?
894	U 2 1 4CA86E60
895	P 5950 3850
896	F 0 "U?" H 5950 3900 60 0000 C CNN
897	F 1 "74LS32" H 5950 3800 60 0000 C CNN
898	2 5950 3850
899	1 0 0 -1
900	$EndComp
901	$Comp
902	L 74LS00 U?
903	U 1 1 4CA86E52
904	P 1650 7150
905	F 0 "U?" H 1650 7200 60 0000 C CNN
906	F 1 "74LS00" H 1650 7050 60 0000 C CNN
907	1 1650 7150
908	1 0 0 -1
909	$EndComp
910	$Comp
911	L 74LS138 U?
912	U 1 1 4CA86E2A
913	P 1650 1250
914	F 0 "U?" H 1750 1750 60 0000 C CNN
915	F 1 "74LS138" H 1800 701 60 0000 C CNN
916	1 1650 1250
917	1 0 0 -1
918	$EndComp
919	$EndSCHEMATC

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source: avrstuff/CPC stuff/ramcard/ramcard.sch@ 9546d8e

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