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Hardware GPIO Mapping
MarkusSchmitz edited this page Jun 4, 2016
·
6 revisions
This Page serves as overview over the current GPIO mapping, as well as a mapping for the collision detection hardware.
+-----+-----+---------+------+---+---Pi 2---+---+------+---------+-----+-----+
| BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |
+-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
| | | 3.3v | | | 1 || 2 | | | 5v | | |
| 2 | 8 | SDA.1 | ALT0 | 1 | 3 || 4 | | | 5V | | |
| 3 | 9 | SCL.1 | ALT0 | 1 | 5 || 6 | | | 0v | | |
| 4 | 7 | GPIO. 7 | | 0 | 7 || 8 | 1 | ALT0 | TxD | 15 | 14 |
| | | 0v | | | 9 || 10 | 1 | ALT0 | RxD | 16 | 15 |
| 17 | 0 | GPIO. 0 | | 0 | 11 || 12 | 0 | | GPIO. 1 | 1 | 18 |
| 27 | 2 | GPIO. 2 | | 0 | 13 || 14 | | | 0v | | |
| 22 | 3 | GPIO. 3 | | 0 | 15 || 16 | 0 | | GPIO. 4 | 4 | 23 |
| | | 3.3v | | | 17 || 18 | 0 | | GPIO. 5 | 5 | 24 |
| 10 | 12 | MOSI | ALT0 | 0 | 19 || 20 | | | 0v | | |
| 9 | 13 | MISO | ALT0 | 0 | 21 || 22 | 0 | | GPIO. 6 | 6 | 25 |
| 11 | 14 | SCLK | ALT0 | 0 | 23 || 24 | 1 | | CE0 | 10 | 8 |
| | | 0v | | | 25 || 26 | 1 | | CE1 | 11 | 7 |
| 0 | 30 | SDA.0 | | 1 | 27 || 28 | 1 | | SCL.0 | 31 | 1 |
| 5 | 21 | GPIO.21 | | 0 | 29 || 30 | | | 0v | | |
| 6 | 22 | GPIO.22 | | 0 | 31 || 32 | 0 | | GPIO.26 | 26 | 12 |
| 13 | 23 | GPIO.23 | | 0 | 33 || 34 | | | 0v | | |
| 19 | 24 | GPIO.24 | | 0 | 35 || 36 | 0 | | GPIO.27 | 27 | 16 |
| 26 | 25 | GPIO.25 | | 0 | 37 || 38 | 0 | | GPIO.28 | 28 | 20 |
| | | 0v | | | 39 || 40 | 0 | | GPIO.29 | 29 | 21 |
+-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
| BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |
+-----+-----+---------+------+---+---Pi 2---+---+------+---------+-----+-----+
+-----+-----+--------------------------+------------------------
| BCM | wPi | Name | Signal
+-----+-----+--------------------------+------------------------
| 27 | 2 | IR Receiver Front Right | Signal Out 1
| 22 | 3 | IR Sender Front Right | Signal In 1
+-----+-----+--------------------------+------------------------
| 23 | 4 | IR Receiver Front Left | Signal Out 2
| 24 | 5 | IR Sender Front Left | Signal In 2
+-----+-----+--------------------------+------------------------
| 13 | 23 | IR Receiver Back Left | Signal Out 3
| 19 | 24 | IR Sender Back Left | Signal In 3
+-----+-----+--------------------------+------------------------
| 20 | 28 | IR Receiver Back Right | Signal Out 4
| 21 | 29 | IR Sender Back Right | Signal In 4
+-----+-----+--------------------------+------------------------