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Raspberry Pi For Dummies by Mike Cook, Sean McManus

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Appendix B

The GPIO on the Raspberry Pi

Table B-1 is a handy reference to the GPIO. For a detailed explanation of what this means and for more information on how you can use the GPIO to connect your Raspberry Pi to your own electronics projects, refer to Chapters 14 to 17.

Table B-1 A Reference Guide to the GPIO

GPIO

Use

Description

0

Gen/Cam

Revision 1 P1–03Revision 2 I2C on camera S5

1

Gen/Cam

Revision 1 P1–05Revision 2 I2C on camera S5

2

Cam/Gen

Revision 1 I2C on camera S5Revision 2 P1-03

3

Cam/Gen

Revision 1 I2C on camera S5Revision 2 P1-05

4

General

P1-07

5

Cam

Camera clock pin 12 on S5

6

System

LAN RUN— the reset on the LAN chip

7

General

P1-26

8

General

P1–24

9

General

P1–21

10

General

P1–19

11

General

P1–23

12

No

Not tracked out

13

No

Not tracked out

14

General

P1–08. Used for TXD0 data out during boot up

15

General

P1–10. Used for RXD0 data in during boot up

16

System

Status LED red (OK LED on Revision 1, ACT on Revision 2

17

General

P1–11

18

General

P1–12

19

No

Not tracked out

20

No

Not tracked out

21

Cam/Gen

Revision 1 P1–13Revision 2 camera GPIO–Pin 11 on S5

22

General

P1–15

23

General

P1–16

24

General

P1–18

25

General

P1–22

26

No

Not tracked out

27

Cam/Gen

Revision 1 camera GPIO–Pin 11 on S5Revision 2 P1–13

28

Sys/Gen

Revision ...

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