hippy
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Joined: Fri Sep 09, 2011 10:34 pm
Location: UK

Pi-TopPROTO pinout

Sun Jul 08, 2018 6:05 pm

This is my reverse engineered assessment of the Pi-TopPROTO board, viewed from the perspective of connecting it to a Pi via a 40-way ribbon cable and using it as a breakout board. It may be of some use to someone else.

Image

Pin use seems to match other posts on the Pi-Top and Hub where the Pi-Top drives the PROTO board and HATs would be attached to that. PWR (16V), 3V3P and SPDIF are signals which would be provided by the Pi-Top, do not go to the GPIO connector.

Code: Select all

            All number labels are pin numbers of the 40-way GPIO header

           .-.        .-------------------------------------.        .-.
           | |        |(O)                               (O)|        | |
           | |        |             11 11 2222 3 334        |        | |
           | |        |            802 68 2468 2 680        |        | |
           | |-.      |        .--------------------.       |      .-| |
           | | |---   |  GPIO  |55-ooo-oo-oooo-o-ooo|       |   ---| | |
           | | |---   | 40-way |3ooo-ooooooo-oooooo-|       |   ---| | |
           | |-'      |        `--------------------'       |      `-| |
     .-----| |        |          357 1111122 223333         |        | |-----.
 PWR | o o | | 5V     |              1357913 791357         |     5V | | o o | PWR
3V3P | o o | | 3V3    |       .-.                 .-.       |    3V3 | | o o | 3V3P
  0V | o o | | SPDIF  | SPDIF |O| NC       GPIO2  |O| 3     |  SPDIF | | o o | 0V
   3 | o o | | 5      | SD  5 |O| GPIO3    GPIO4  |O| 7  SC |      5 | | o o | 3
   7 | o o | | 8      | TX  8 |O| GPIO14   GPIO15 |O| 10 RX |      8 | | o o | 7
  10 | o o | | 11     |    11 |O| GPIO17   GPIO18 |O| 12    |     11 | | o o | 10
  12 | o o | | 13     |    13 |O| GPIO27   GPIO22 |O| 15    |     13 | | o o | 12
  15 | o o | | 16     |    16 |O| GPIO23   GPIO24 |O| 18    |     16 | | o o | 15
  18 | o o | | 19     | DO 19 |O| GPIO10   GPIO9  |O| 21 DI |     19 | | o o | 18
  21 | o o | | 22     |    22 |O| GPIO25   GPIO11 |O| 23 CK |     22 | | o o | 21
  23 | o o | | 24     | CE 24 |O| GPIO8    GPIO7  |O| 26    |     24 | | o o | 23
  26 | o o | | 27     |    27 |O| ID_SD    ID_SC  |O| 28    |     27 | | o o | 26
  28 | o o | | 29     |    29 |O| GPIO5    GPIO6  |O| 31    |     29 | | o o | 28
  31 | o o | | 32     |    32 |O| GPIO12   GPIO13 |O| 33    |     32 | | o o | 31
  33 | o o | | 35     |    35 |O| GPIO19   GPIO16 |O| 36    |     35 | | o o | 33
  36 | o o | | 37     |    37 |O| GPIO26   GPIO20 |O| 38    |     37 | | o o | 36
  38 | o o | | 39     |    40 |O| GPIO21   NC     |O| NC    |     39 | | o o | 38
     `-----| |        |       `-'                 `-'       |        | |-----'
           | |        |(O)                               (O)|        | |
           `-'        `-------------------------------------'        `-'

      Pins on               Pads on            Pads on                Socket
        Left                 Left               Right                on Right

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