Raspberry Pi Interface to Cosmac Elf

Pi Pin#	Pi Function	Elf Pin	Elf Function
1	3.3 V	xx
17	3.3 V	xx
2	5 V	xx
4	5 V	xx
27	BCM 0	xx	O1
28	BCM 1	xx	O2
19	BCM 10, MOSI	xx	IN3
23	BCM 11,SCLK	xx	IN6
32	BCM 12	xx	O5
33	BCM 13	xx	O6
8	BCM 14, TXD	xx	UART Rx
10	BCM 15, RXD	xx	UART Tx
36	BCM 16	xx
11	BCM 17	xx	WAIT-
12	BCM 18	xx	CLR-
35	BCM 18	xx	O7
3	BCM 2, SDA	xx
38	BCM 20	xx
40	BCM 21	xx
15	BCM 22	xx	IN0
16	BCM 23	xx	IN1
18	BCM 24	xx	IN2
22	BCM 25	xx	IN5
37	BCM 26	xx
13	BCM 27	xx	WE-
5	BCM 3, SCL	xx
7	BCM 4	xx	IN-
29	BCM 5	xx	O3
31	BCM 6	xx	O4
26	BCM 7, CE1	xx	O0
24	BCM 8, CE0	xx	IN7
21	BCM 9, MISO	xx	IN4
6	GND	xx
9	GND	xx
14	GND	xx
20	GND	xx
25	GND	xx
30	GND	xx
34	GND	xx
39	GND	xx

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Topic attachments
I	Attachment	History	Action	Size	Date	Who	Comment
png	gpio-numbers-pi2.png	r1	manage	53.2 K	2017-11-26 - 18:46	PeterSchmid

Topic revision: r2 - 2017-11-27 - PeterSchmid