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Raspberry Pi Pinouts

A project log for Cosmic Array

An array of cosmic ray detectors across a landscape that demonstrates in light and sound how cosmic rays are constantly all around us.

paul-schulzPaul Schulz 07/13/2017 at 00:360 Comments

The following are the proposed pinout allocations for the Raspberry Pi (Pi 3 or Pi Zero W) in the project.

 +--------------+---------+---------+----------+---------+---------+--------------+
 | Description  |    Name |    Mode | Physical | Mode    | Name    | Description  |
 | (Connected)  |         |         |          |         |         | (Connected)  |            
 +--------------+---------+---------+----++----+---------+---------+--------------+
 |              |    3.3v |    3.3v |  1 || 2  | 5v      | 5v      | +5v Supply   |
 |              |   SDA.1 |       - |  3 || 4  | 5v      | 5v      | +5v Supply   |
 |              |   SCL.1 |       - |  5 || 6  | GND     | 0v      | Gnd Supply   |
 |              | GPIO. 7 |       - |  7 || 8  | -       | TxD     |              |
 | Logic Gnd    |      0v |     GND |  9 || 10 | -       | RxD     |              |
 | Chan. Red    | GPIO. 0 |  IN/TRI | 11 || 12 | IN/TRI  | GPIO. 1 | Chan. Green  |
 | Chan. Blue   | GPIO. 2 |  IN/TRI | 13 || 14 | GND     | 0v      |              |
 |              | GPIO. 3 |       - | 15 || 16 | -       | GPIO. 4 |              |
 |              |    3.3v |    3.3v | 17 || 18 | -       | GPIO. 5 |              |
 |              |    MOSI |       - | 19 || 20 | GND     | 0v      |              |
 |              |    MISO |       - | 21 || 22 | -       | GPIO. 6 |              |
 |              |    SCLK |       - | 23 || 24 | -       | CE0     |              |
 |              |      0v |     GND | 25 || 26 | -       | CE1     |              |
 |              |   SDA.0 |       - | 27 || 28 | -       | SCL.0   |              |
 |              | GPIO.21 |       - | 29 || 30 | GND     | 0v      |              |
 |              | GPIO.22 |       - | 31 || 32 | OUT/PWM | GPIO.26 | Audio Out(L) |
 | Audio Out(R) | GPIO.23 | OUT/PWM | 33 || 34 | GND     | 0v      | Audio Gnd?   |
 |              | GPIO.24 |       - | 35 || 36 | -       | GPIO.27 |              |
 |              | GPIO.25 |       - | 37 || 38 | -       | GPIO.28 |              |
 |              |      0v |     GND | 39 || 40 | -       | GPIO.29 |              |
 +--------------+---------+---------+----++----+---------+---------+--------------+
 | Description  |   Name  |    Mode | Physical | Mode    | Name    | Description  |
 +--------------+---------+---------+----------+---------+---------+--------------+

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