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circuitpython/docs/samd/pinout.rst
robert-hh 11910e2fa1 docs/samd: Add documentation for the samd port. 
Includes a general overview, a quickref, pinout tables, and the beginnings
of a tutorial.
2022-10-26 23:39:35 +11:00

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.. _samd_pinout:
Pinout for the SAMD machine modules
===================================
The assignment of device functions to pins is very flexible. The same function may be used
at different pins. The representation of the assignment choices are given by a table,
which is a subset of the MCU's Pin MUX table and is specific to each board, as the
available pin set varies. The structure of the table is the same for each board, but
the set of rows is different.
.. _samd21_pinout_table:
Adafruit ItsyBitsy M0 Express pin assignment table
--------------------------------------------------
=== ==== ============ ==== ==== ====== ====== ====== ======
Pin GPIO Pin name IRQ ADC Serial Serial TCC/TC TCC/TC
=== ==== ============ ==== ==== ====== ====== ====== ======
0 PA11 D0 11 19 0/3 2/3 1/1 0/3
1 PA10 D1 10 18 0/2 2/2 1/0 0/2
2 PA14 D2 14 - 2/2 4/2 3/0 0/4
3 PA09 D3 9 17 0/1 2/1 0/1 1/3
4 PA08 D4 - 16 0/0 2/0 0/0 1/2
5 PA15 D5 15 - 2/3 4/3 3/1 0/5
7 PA21 D7 5 - 5/3 3/3 7/1 0/7
9 PA07 D9 7 7 - 0/3 1/1 -
10 PA18 D10 2 - 1/2 3/2 3/0 0/2
11 PA16 D11 0 - 1/0 3/0 2/0 0/6
12 PA19 D12 3 - 1/3 3/3 3/1 0/3
13 PA17 D13 1 - 1/1 3/1 2/1 0/7
14 PA02 A0 2 0 - - - -
15 PB08 A1 8 2 - 4/0 4/0 -
16 PB09 A2 9 3 - 4/1 4/1 -
17 PA04 A3 4 4 - 0/0 0/0 -
18 PA05 A4 5 5 - 0/1 0/1 -
19 PB02 A5 2 - - 5/0 6/0 -
20 PA22 SDA 6 - 3/0 5/0 4/0 0/4
21 PA23 SCL 7 - 3/1 5/1 4/1 0/5
22 PB10 MOSI 10 - - 4/2 5/0 0/4
23 PA12 MISO 12 - 2/0 4/0 2/0 0/6
24 PB11 SCK 11 - - 4/3 5/1 0/5
25 PA00 DOTSTAR_CLK 0 - - 1/0 2/0 -
26 PA01 DOTSTAR_DATA 1 - - 1/1 2/1 -
27 PB22 FLASH_MOSI 6 - - 5/2 7/0 -
28 PB03 FLASH_MISO 3 - - 5/1 6/1 -
29 PB23 FLASH_SCK 7 - - 5/3 7/1 -
=== ==== ============ ==== ==== ====== ====== ====== ======
Description of the columns:
- *Pin* - The number that is expected at ``machine.Pin(n)``, if the pin is given
as a number. This is NOT the GPIO number, but the board pin number, as
given in the board specific definition file.
- *GPIO* - The GPIO number.
- *Pin Name* - The name of a Pin which is expected argument to ``machine.Pin("name")``.
- *IRQ* - The IRQ number assigned to that GPIO, used internally by ``Pin.irq()``. When
using ``Pin.irq()``, different pins must use different IRQs
- *ADC* - The ADC channel assigned to the pin. When using ADC, different pins must
not use the same ADC channel.
- *Serial* - Two columns with optional Serial signal assignments. Both may be used.
The cell content is device #/pad #. The pad # is the respective internal
signal of that serial device. Details below.
- *TCC/TC* - Two columns with assignments of the TCC modules for PWM.
The cell content is device #/output #. For PWM, devices 0, 1, and 2
are used. The TC device pair 3/4 is used for ``ticks_us()``.
SAMD21 UART assignments
```````````````````````
The UART devices and signals must be chosen according to the following rules:
- The TX signal must be at a Pin with pad numbers 2 or 0, like Pin 1 with serial
device 0 or 2.
- The RX pin may be assigned to one of the other pads.
Examples for Adafruit ItsyBitsy M0 Express:
- uart 0 at pins 0/1 This is the default UART at the RX/TX labelled pins
- uart 1 at pins 12/10
- uart 2 at pins 0/1
- uart 3 at pins 11/13
- uart 4 at pins 2/5
- uart 5 at pins SCL/SDA
or other combinations.
SAMD21 I2C assignments
``````````````````````
The I2C devices and signals must be chosen according to the following rules:
- The SDA signal must be at a Pin with pad numbers 0.
- The SCL signal must be at a Pin with pad numbers 1.
Examples for Adafruit ItsyBitsy M0 Express:
- I2C 0 at Pin A3/A4
- I2C 1 at pins 11/13
- I2C 2 at the pins 4/3
- I2C 3 at the pins SDA/SCL This is the default I2C device at the SDA/SCl labelled pin
- I2C 4 at the pins A1/A2
- I2C 5 at the pins SDA/SCL,
or other combinations.
SAMD21 SPI assignments
``````````````````````
The I2C devices and signals must be chosen according to the following rules:
- The following pad number pairs are suitable for MOSI/SCK: 0/1, 2/3, 3/1, and 0/3.
- The MISO signal must be at a Pin with a different pad number than MOSI or SCK.
Examples for Adafruit ItsyBitsy M0 Express:
- SPI 0 at pins 0/4/1
- SPI 1 at pins 11/12/13
- SPI 2 at pins 0/4/1
- SPI 3 at pins 11/12/13
- SPI 4 at Pin MOSI/MISO/SCK This is the default SPI device at the MOSI/MISO/SCK labelled pins.
or other combinations.
SAMD21 PWM assignments
``````````````````````
The TCC/TC device numbers 0, 1 and 2 can be used for PWM. Device 0 has four
channels, device 1 and 2 have two channels. So in total 3 different PWM
frequencies can be used, and 8 different duty cycle values.
The DAC output for the Adafruit ItsyBitsy M0 Express board is available at the pin A0.
.. _samd51_pinout_table:
Adafruit ItsyBitsy M4 Express pin assignment table
--------------------------------------------------
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
Pin GPIO Pin name IRQ ADC ADC Serial Serial TC PWM PWM
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
2 PA02 A0 2 0 - - - - - -
5 PA05 A1 5 5 - - 0/1 0/1 - -
40 PB08 A2 8 2 0 - 4/0 4/0 - -
41 PB09 A3 9 3 1 - 4/1 4/1 - -
4 PA04 A4 4 4 - - 0/0 0/0 - -
6 PA06 A5 6 6 - - 0/2 1/0 - -
16 PA16 D0 0 - - 1/0 3/1 2/0 1/0 0/4
17 PA17 D1 1 - - 1/1 3/0 2/1 1/1 0/5
7 PA07 D2 7 7 - - 0/3 1/1 - -
54 PB22 D3 22 - - 1/2 5/2 7/0 - -
14 PA14 D4 14 - - 2/2 4/2 3/0 2/0 1/2
15 PA15 D5 15 - - 2/3 4/3 3/1 2/1 1/3
18 PA18 D7 2 - - 1/2 3/2 3/0 1/2 0/6
19 PA19 D9 3 - - 1/3 3/3 3/1 1/3 0/7
20 PA20 D10 4 - - 5/2 3/2 7/0 1/4 0/0
21 PA21 D11 5 - - 5/3 3/3 7/1 1/5 0/1
23 PA23 D12 7 - - 3/1 5/0 4/1 1/7 0/3
22 PA22 D13 6 - - 3/0 5/1 4/0 1/6 0/2
34 PB02 DOTSTAR_CLK 2 14 - - 5/0 6/0 2/2 -
35 PB03 DOTSTAR_DATA 9 15 - - 5/1 6/1 - -
43 PB11 FLASH_CS 12 - - - 4/3 5/1 0/5 1/1
11 PA11 FLASH_HOLD 11 11 - 0/3 2/3 1/1 0/3 1/7
9 PA09 FLASH_MISO 9 9 3 0/1 2/0 0/1 0/1 1/5
8 PA08 FLASH_MOSI - 8 2 0/0 2/1 0/0 0/0 1/4
42 PB10 FLASH_SCK 10 - - - 4/2 5/0 0/4 1/0
10 PA10 FLASH_WP 10 10 - 0/2 2/2 1/0 0/2 1/6
55 PB23 MISO 7 - - 1/3 5/3 7/1 - -
0 PA00 MOSI 0 - - - 1/0 2/0 - -
1 PA01 SCK 1 - - - 1/1 2/1 - -
13 PA13 SCL 13 - - 2/1 4/0 2/1 0/7 1/3
12 PA12 SDA 12 - - 2/0 4/1 2/0 0/6 1/2
30 PA30 SWCLK 14 - - 7/2 1/2 6/0 2/0 -
31 PA31 SWDIO 15 - - 7/3 1/3 6/1 2/1 -
24 PA24 USB_DM 8 - - 3/2 5/2 5/0 2/2 -
25 PA25 USB_DP 9 - - 3/3 5/3 5/1 - -
3 PA03 - 3 10 - - - - - -
27 PA27 - 11 - - - - - - -
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
Description of the columns:
- *Pin* - The number that is expected at ``machine.Pin(n)``, if the pin is given
as a number. This is NOT the GPIO number, but the board pin number, as
given in the board specific definition file.
- *GPIO* - The GPIO number.
- *Pin Name* The name of a Pin which is expected argument to ``machine.Pin("name")``.
- *IRQ* - The IRQ number assigned to that GPIO, used internally by ``Pin.irq()``. When
using ``Pin.irq()``, different pins must use different IRQs
- *ADC* - The ADC0/1 channel assigned to the pin. When using ADC, different pins must
not use the same ADC device and channel.
- *Serial* - Two columns with optional Serial signal assignments. Both may be used.
The cell content is device #/pad #. The pad # is the respective internal
signal of that serial device. Details below.
- *TC* - These device are currently not assigned to Pin. the TC device pair 0/1
is used for ``ticks_us()``.
- *PWM* - Two columns with assignments of the TCC modules for PWM
The cell content is device #/output #. Details below.
SAMD51 UART assignments
```````````````````````
The UART devices and signals must be chosen according to the following rules:
- The TX signal must be at a Pin with pad numbers 0, like Pin 1 with serial
device 3.
- The RX pin may be assigned to one of the other pads.
Examples for Adafruit ItsyBitsy 4 Express:
- uart 0 at pins A4/A1
- uart 1 at pins 1/0 This is the default UART at the RX/TX labelled pins
- uart 2 at pins SCL/SDA This is the default I2C device at the SDA/SCl labelled pin
- uart 3 at pins 0/1
- uart 4 at pins SDA/SCL
- uart 5 at pins D12/D13
or other combinations.
SAMD51 I2C assignments
``````````````````````
The I2C devices and signals must be chosen according to the following rules:
- The SDA signal must be at a Pin with pad numbers 0.
- The SCL signal must be at a Pin with pad numbers 1.
Examples for Adafruit ItsyBitsy M0 Express:
- I2C 0 at pins A3/A4
- I2C 1 at pins 0/1
- I2C 2 at the pins SDA/SCL
- I2C 3 at the pins 1/0
- I2C 4 at the pins A2/A3
- I2C 5 at the pins 12/13
or other combinations.
SAMD51 SPI assignments
``````````````````````
The SPI devices and signals must be chosen according to the following rules:
- The following pad number pairs are suitable for MOSI/SCK: 0/1 and 3/1.
- The MISO signal must be at a Pin with a different pad number than MOSI or SCK.
Examples for Adafruit ItsyBitsy M0 Express:
- SPI 1 at Pin MOSI/MISO/SCK This is the default SPI device at the MOSI/MISO/SCK labelled pins.
- SPI 3 at pins 13/11/12
- SPI 5 at pins 12/3/13
or other combinations.
SAMD51 PWM assignments
``````````````````````
The TCC/PWM device numbers 0 through 4 can be used for PWM. Device 0 has six
channels, device 1 has four channels, device 2 has three channels and devices
3 and 4 have two channels. So in total up to 5 different PWM frequencies
can be used, and up to 17 different duty cycle values. Note that these numbers
do not apply to every board.
The DAC outputs for the Adafruit ItsyBitsy M4 Express board are available at the pins A0 and A1.
Adafruit Feather M4 Express pin assignment table
------------------------------------------------
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
Pin GPIO Pin name IRQ ADC ADC Serial Serial TC PWM PWM
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
2 PA02 A0 2 0 - - - - - -
5 PA05 A1 5 5 - - 0/1 0/1 - -
40 PB08 A2 8 2 0 - 4/0 4/0 - -
41 PB09 A3 9 3 1 - 4/1 4/1 - -
4 PA04 A4 4 4 - - 0/0 0/0 - -
38 PB06 A5 6 - 8 - - - - -
49 PB17 D0 1 - - 5/1 - 6/1 3/1 0/5
48 PB16 D1 0 - - 5/0 - 6/0 3/0 0/4
14 PA14 D4 14 - - 2/2 4/2 3/0 2/0 1/2
16 PA16 D5 0 - - 1/0 3/1 2/0 1/0 0/4
18 PA18 D6 2 - - 1/2 3/2 3/0 1/2 0/6
19 PA19 D9 3 - - 1/3 3/3 3/1 1/3 0/7
3 PA03 AREF 3 10 - - - - - -
20 PA20 D10 4 - - 5/2 3/2 7/0 1/4 0/0
21 PA21 D11 5 - - 5/3 3/3 7/1 1/5 0/1
22 PA22 D12 6 - - 3/0 5/1 4/0 1/6 0/2
23 PA23 D13 7 - - 3/1 5/0 4/1 1/7 0/3
43 PB11 FLASH_CS 12 - - - 4/3 5/1 0/5 1/1
11 PA11 FLASH_HOLD 11 11 - 0/3 2/3 1/1 0/3 1/7
9 PA09 FLASH_MISO 9 9 3 0/1 2/0 0/1 0/1 1/5
8 PA08 FLASH_MOSI - 8 2 0/0 2/1 0/0 0/0 1/4
42 PB10 FLASH_SCK 10 - - - 4/2 5/0 0/4 1/0
10 PA10 FLASH_WP 10 10 - 0/2 2/2 1/0 0/2 1/6
54 PB22 MISO 22 - - 1/2 5/2 7/0 - -
55 PB23 MOSI 7 - - 1/3 5/3 7/1 - -
35 PB03 NEOPIXEL 9 15 - - 5/1 6/1 - -
17 PA17 SCK 1 - - 1/1 3/0 2/1 1/1 0/5
13 PA13 SCL 13 - - 2/1 4/0 2/1 0/7 1/3
12 PA12 SDA 12 - - 2/0 4/1 2/0 0/6 1/2
30 PA30 SWCLK 14 - - 7/2 1/2 6/0 2/0 -
31 PA31 SWDIO 15 - - 7/3 1/3 6/1 2/1 -
24 PA24 USB_DM 8 - - 3/2 5/2 5/0 2/2 -
25 PA25 USB_DP 9 - - 3/3 5/3 5/1 - -
33 PB01 VDIV 1 13 - - 5/3 7/1 - -
0 PA00 - 0 - - - 1/0 2/0 - -
1 PA01 - 1 - - - 1/1 2/1 - -
6 PA06 - 6 6 - - 0/2 1/0 - -
7 PA07 - 7 7 - - 0/3 1/1 - -
15 PA15 - 15 - - 2/3 4/3 3/1 2/1 1/3
27 PA27 - 11 - - - - - - -
32 PB00 - 9 12 - - 5/2 7/0 - -
34 PB02 - 2 14 - - 5/0 6/0 2/2 -
36 PB04 - 4 - 6 - - - - -
37 PB05 - 5 - 7 - - - - -
39 PB07 - 7 - 9 - - - - -
44 PB12 - 12 - - 4/0 - 4/0 3/0 0/0
45 PB13 - 13 - - 4/1 - 4/1 3/1 0/1
46 PB14 - 14 - - 4/2 - 5/0 4/0 0/2
47 PB15 - 15 - - 4/3 - 5/1 4/1 0/3
62 PB30 - 14 - - 7/0 5/1 0/0 4/0 0/6
63 PB31 - 15 - - 7/1 5/0 0/1 4/1 0/7
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
For the definition of the table columns see the explanation at the table for
Adafruit ItsyBitsy M4 Express :ref:`samd51_pinout_table`.
The default devices at the board are:
- UART 5 at pins 0/1, labelled RX/TX
- I2C 2 at pins 21/20, labelled SDA/SCL
- SPI 1 at pins 22/23/24, labelled MOSI, MISO and SCK
- DAC output on pins 14 and 15, labelled A0 and A1
SEEED XIAO pin assignment table
-------------------------------
=== ==== ============ ==== ==== ====== ====== ====== ======
Pin GPIO Pin name IRQ ADC Serial Serial TCC/TC TCC/TC
=== ==== ============ ==== ==== ====== ====== ====== ======
2 PA02 A0_D0 2 0 - - - -
4 PA04 A1_D1 4 4 - 0/0 0/0 -
10 PA10 A2_D2 10 18 0/2 2/2 1/0 0/2
11 PA11 A3_D3 11 19 0/3 2/3 1/1 0/3
8 PA08 A4_D4 - 16 0/0 2/0 0/0 1/2
9 PA09 A5_D5 9 17 0/1 2/1 0/1 1/3
40 PB08 A6_D6 8 2 - 4/0 4/0 -
41 PB09 A7_D7 9 3 - 4/1 4/1 -
7 PA07 A8_D8 7 7 - 0/3 1/1 -
5 PA05 A9_D9 5 5 - 0/1 0/1 -
6 PA06 A10_D10 6 6 - 0/2 1/0 -
18 PA18 RX_LED 2 - 1/2 3/2 3/0 0/2
30 PA30 SWCLK 10 - - 1/2 1/0 -
31 PA31 SWDIO 11 - - 1/3 1/1 -
19 PA19 TX_LED 3 - 1/3 3/3 3/1 0/3
24 PA24 USB_DM 12 - 3/2 5/2 5/0 1/2
25 PA25 USB_DP 13 - 3/3 5/3 5/1 1/3
17 PA17 USER_LED 1 - 1/1 3/1 2/1 0/7
0 PA00 - 0 - - 1/0 2/0 -
1 PA01 - 1 - - 1/1 2/1 -
3 PA03 - 3 1 - - - -
12 PA12 - 12 - 2/0 4/0 2/0 0/6
13 PA13 - 13 - 2/1 4/1 2/0 0/7
14 PA14 - 14 - 2/2 4/2 3/0 0/4
15 PA15 - 15 - 2/3 4/3 3/1 0/5
16 PA16 - 0 - 1/0 3/0 2/0 0/6
20 PA20 - 4 - 5/2 3/2 7/0 0/4
21 PA21 - 5 - 5/3 3/3 7/1 0/7
22 PA22 - 6 - 3/0 5/0 4/0 0/4
23 PA23 - 7 - 3/1 5/1 4/1 0/5
27 PA27 - 15 - - - - -
28 PA28 - 8 - - - - -
34 PB02 - 2 10 - 5/0 6/0 -
35 PB03 - 3 11 - 5/1 6/1 -
42 PB10 - 10 - - 4/2 5/0 0/4
43 PB11 - 11 - - 4/3 5/1 0/5
54 PB22 - 6 - - 5/2 7/0 -
55 PB23 - 7 - - 5/3 7/1 -
=== ==== ============ ==== ==== ====== ====== ====== ======
For the definition of the table columns see the explanation at the table for
Adafruit ItsyBitsy M0 Express :ref:`samd21_pinout_table`.
The default devices at the board are:
- UART 4 at pins 7/6, labelled A6_D6/A7_D7
- I2C 2 at pins 4/5, labelled A4_D4/A5_D5
- SPI 0 at pins 10/9/8, labelled A10_D10, A9_D9 and A8_D8
- DAC output on pin 0, labelled A0_D0
Adafruit Feather M0 Express pin assignment table
------------------------------------------------
=== ==== ============ ==== ==== ====== ====== ====== ======
Pin GPIO Pin name IRQ ADC Serial Serial TCC/TC TCC/TC
=== ==== ============ ==== ==== ====== ====== ====== ======
2 PA02 A0 2 0 - - - -
40 PB08 A1 8 2 - 4/0 4/0 -
41 PB09 A2 9 3 - 4/1 4/1 -
4 PA04 A3 4 4 - 0/0 0/0 -
5 PA05 A4 5 5 - 0/1 0/1 -
34 PB02 A5 2 10 - 5/0 6/0 -
11 PA11 D0 11 19 0/3 2/3 1/1 0/3
10 PA10 D1 10 18 0/2 2/2 1/0 0/2
14 PA14 D2 14 - 2/2 4/2 3/0 0/4
9 PA09 D3 9 17 0/1 2/1 0/1 1/3
8 PA08 D4 - 16 0/0 2/0 0/0 1/2
15 PA15 D5 15 - 2/3 4/3 3/1 0/5
20 PA20 D6 4 - 5/2 3/2 7/0 0/4
21 PA21 D7 5 - 5/3 3/3 7/1 0/7
7 PA07 D9 7 7 - 0/3 1/1 -
55 PB23 RX 7 - - 5/3 7/1 -
54 PB22 TX 6 - - 5/2 7/0 -
18 PA18 D10 2 - 1/2 3/2 3/0 0/2
16 PA16 D11 0 - 1/0 3/0 2/0 0/6
19 PA19 D12 3 - 1/3 3/3 3/1 0/3
17 PA17 D13 1 - 1/1 3/1 2/1 0/7
13 PA13 FLASH_CS 13 - 2/1 4/1 2/0 0/7
35 PB03 LED_RX 3 11 - 5/1 6/1 -
27 PA27 LED_TX 15 - - - - -
12 PA12 MISO 12 - 2/0 4/0 2/0 0/6
42 PB10 MOSI 10 - - 4/2 5/0 0/4
6 PA06 NEOPIXEL 6 6 - 0/2 1/0 -
43 PB11 SCK 11 - - 4/3 5/1 0/5
23 PA23 SCL 7 - 3/1 5/1 4/1 0/5
22 PA22 SDA 6 - 3/0 5/0 4/0 0/4
30 PA30 SWCLK 10 - - 1/2 1/0 -
31 PA31 SWDIO 11 - - 1/3 1/1 -
24 PA24 USB_DM 12 - 3/2 5/2 5/0 1/2
25 PA25 USB_DP 13 - 3/3 5/3 5/1 1/3
0 PA00 - 0 - - 1/0 2/0 -
1 PA01 - 1 - - 1/1 2/1 -
3 PA03 - 3 1 - - - -
28 PA28 - 8 - - - - -
=== ==== ============ ==== ==== ====== ====== ====== ======
For the definition of the table columns see the explanation at the table for
Adafruit ItsyBitsy M0 Express :ref:`samd21_pinout_table`.
The default devices at the board are:
- UART 5 at pins 21/20, labelled RX/TX
- I2C 3 at pins 22/23, labelled SDA/SCL
- SPI 4 at pins 24/25/26, labelled MOSI, MISO and SCK
- DAC output on pin 14, labelled A0
Adafruit Trinket M0 pin assignment table
------------------------------------------------
=== ==== ============ ==== ==== ====== ====== ====== ======
Pin GPIO Pin name IRQ ADC Serial Serial TCC/TC TCC/TC
=== ==== ============ ==== ==== ====== ====== ====== ======
8 PA08 D0 - 16 0/0 2/0 0/0 1/2
2 PA02 D1 2 0 - - - -
9 PA09 D2 9 17 0/1 2/1 0/1 1/3
7 PA07 D3 7 7 - 0/3 1/1 -
6 PA06 D4 6 6 - 0/2 1/0 -
1 PA01 DOTSTAR_CLK 1 - - 1/1 2/1 -
0 PA00 DOTSTAR_DATA 0 - - 1/0 2/0 -
10 PA10 LED 10 18 0/2 2/2 1/0 0/2
30 PA30 SWCLK 10 - - 1/2 1/0 -
31 PA31 SWDIO 11 - - 1/3 1/1 -
24 PA24 USB_DM 12 - 3/2 5/2 5/0 1/2
25 PA25 USB_DP 13 - 3/3 5/3 5/1 1/3
3 PA03 - 3 1 - - - -
4 PA04 - 4 4 - 0/0 0/0 -
5 PA05 - 5 5 - 0/1 0/1 -
11 PA11 - 11 19 0/3 2/3 1/1 0/3
14 PA14 - 14 - 2/2 4/2 3/0 0/4
15 PA15 - 15 - 2/3 4/3 3/1 0/5
16 PA16 - 0 - 1/0 3/0 2/0 0/6
17 PA17 - 1 - 1/1 3/1 2/1 0/7
18 PA18 - 2 - 1/2 3/2 3/0 0/2
19 PA19 - 3 - 1/3 3/3 3/1 0/3
22 PA22 - 6 - 3/0 5/0 4/0 0/4
23 PA23 - 7 - 3/1 5/1 4/1 0/5
27 PA27 - 15 - - - - -
28 PA28 - 8 - - - - -
=== ==== ============ ==== ==== ====== ====== ====== ======
For the definition of the table columns see the explanation at the table for
Adafruit ItsyBitsy M0 Express :ref:`samd21_pinout_table`.
The default devices at the board are:
- UART 0 at pins 3/4, labelled D3/D4
- I2C 2 at pins 0/2, labelled D0/D2
- SPI 0 at pins 4/2/3, labelled D4, D2 and D0
- DAC output on pin 1, labelled D1
SAMD21 Xplained PRO pin assignment table
----------------------------------------
=== ==== ============ ==== ==== ====== ====== ====== ======
Pin GPIO Pin name IRQ ADC Serial Serial TCC/TC TCC/TC
=== ==== ============ ==== ==== ====== ====== ====== ======
32 PB00 EXT1_PIN3 0 8 - 5/2 7/0 -
33 PB01 EXT1_PIN4 1 9 - 5/3 7/1 -
38 PB06 EXT1_PIN5 6 14 - - - -
39 PB07 EXT1_PIN6 7 15 - - - -
34 PB02 EXT1_PIN7 2 10 - 5/0 6/0 -
35 PB03 EXT1_PIN8 3 11 - 5/1 6/1 -
36 PB04 EXT1_PIN9 4 12 - - - -
37 PB05 EXT1_PIN10 5 13 - - - -
8 PA08 EXT1_PIN11 - 16 0/0 2/0 0/0 1/2
9 PA09 EXT1_PIN12 9 17 0/1 2/1 0/1 1/3
41 PB09 EXT1_PIN13 9 3 - 4/1 4/1 -
40 PB08 EXT1_PIN14 8 2 - 4/0 4/0 -
5 PA05 EXT1_PIN15 5 5 - 0/1 0/1 -
6 PA06 EXT1_PIN16 6 6 - 0/2 1/0 -
4 PA04 EXT1_PIN17 4 4 - 0/0 0/0 -
7 PA07 EXT1_PIN18 7 7 - 0/3 1/1 -
10 PA10 EXT2_PIN3 10 18 0/2 2/2 1/0 0/2
11 PA11 EXT2_PIN4 11 19 0/3 2/3 1/1 0/3
20 PA20 EXT2_PIN5 4 - 5/2 3/2 7/0 0/4
21 PA21 EXT2_PIN6 5 - 5/3 3/3 7/1 0/7
44 PB12 EXT2_PIN7 12 - 4/0 - 4/0 0/6
45 PB13 EXT2_PIN8 13 - 4/1 - 4/1 0/7
46 PB14 EXT2_PIN9 14 - 4/2 - 5/0 -
47 PB15 EXT2_PIN10 15 - 4/3 - 5/1 -
43 PB11 EXT2_PIN13 11 - - 4/3 5/1 0/5
42 PB10 EXT2_PIN14 10 - - 4/2 5/0 0/4
17 PA17 EXT2_PIN15 1 - 1/1 3/1 2/1 0/7
18 PA18 EXT2_PIN16 2 - 1/2 3/2 3/0 0/2
16 PA16 EXT2_PIN17 0 - 1/0 3/0 2/0 0/6
19 PA19 EXT2_PIN18 3 - 1/3 3/3 3/1 0/3
2 PA02 EXT3_PIN3 2 0 - - - -
3 PA03 EXT3_PIN4 3 1 - - - -
15 PA15 EXT3_PIN6 15 - 2/3 4/3 3/1 0/5
12 PA12 EXT3_PIN7 12 - 2/0 4/0 2/0 0/6
13 PA13 EXT3_PIN8 13 - 2/1 4/1 2/0 0/7
28 PA28 EXT3_PIN9 8 - - - - -
27 PA27 EXT3_PIN10 15 - - - - -
49 PB17 EXT3_PIN15 1 - 5/1 - 6/1 0/5
54 PB22 EXT3_PIN16 6 - - 5/2 7/0 -
48 PB16 EXT3_PIN17 9 - 5/0 - 6/0 0/4
55 PB23 EXT3_PIN18 7 - - 5/3 7/1 -
62 PB30 LED 14 - - 5/0 0/0 1/2
30 PA30 SWCLK 10 - - 1/2 1/0 -
31 PA31 SWDIO 11 - - 1/3 1/1 -
24 PA24 USB_DM 12 - 3/2 5/2 5/0 1/2
25 PA25 USB_DP 13 - 3/3 5/3 5/1 1/3
0 PA00 - 0 - - 1/0 2/0 -
1 PA01 - 1 - - 1/1 2/1 -
14 PA14 - 14 - 2/2 4/2 3/0 0/4
22 PA22 - 6 - 3/0 5/0 4/0 0/4
23 PA23 - 7 - 3/1 5/1 4/1 0/5
63 PB31 - 15 - - 5/1 0/1 1/3
=== ==== ============ ==== ==== ====== ====== ====== ======
For the definition of the table columns see the explanation at the table for
Adafruit ItsyBitsy M0 Express :ref:`samd21_pinout_table`.
There are no pins labelled for default devices on this board. DAC output
is on pin 32, labelled EXT3_PIN3
Minisam M4 pin assignment table
-------------------------------
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
Pin GPIO Pin name IRQ ADC ADC Serial Serial TC PWM PWM
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
16 PA16 D0 0 - - 1/0 3/1 2/0 1/0 0/4
17 PA17 D1 1 - - 1/1 3/0 2/1 1/1 0/5
19 PA19 D3 3 - - 1/3 3/3 3/1 1/3 0/7
20 PA20 D4 4 - - 5/2 3/2 7/0 1/4 0/0
21 PA21 D5 5 - - 5/3 3/3 7/1 1/5 0/1
2 PA02 A0_D9 2 0 - - - - - -
40 PB08 A1_D10 8 2 0 - 4/0 4/0 - -
41 PB09 A2_D11 9 3 1 - 4/1 4/1 - -
4 PA04 A3_D12 4 4 - - 0/0 0/0 - -
5 PA05 A4_D13 5 5 - - 0/1 0/1 - -
6 PA06 A5 6 6 - - 0/2 1/0 - -
7 PA07 A6_D2 7 7 - - 0/3 1/1 - -
3 PA03 AREF 3 10 - - - - - -
0 PA00 BUTTON 0 - - - 1/0 2/0 - -
34 PB02 DOTSTAR_CLK 2 14 - - 5/0 6/0 2/2 -
35 PB03 DOTSTAR_DATA 9 15 - - 5/1 6/1 - -
15 PA15 LED 15 - - 2/3 4/3 3/1 2/1 1/3
55 PB23 MISO 7 - - 1/3 5/3 7/1 - -
54 PB22 MOSI 22 - - 1/2 5/2 7/0 - -
1 PA01 SCK 1 - - - 1/1 2/1 - -
13 PA13 SCL 13 - - 2/1 4/0 2/1 0/7 1/3
12 PA12 SDA 12 - - 2/0 4/1 2/0 0/6 1/2
30 PA30 SWCLK 14 - - 7/2 1/2 6/0 2/0 -
31 PA31 SWDIO 15 - - 7/3 1/3 6/1 2/1 -
24 PA24 USB_DM 8 - - 3/2 5/2 5/0 2/2 -
25 PA25 USB_DP 9 - - 3/3 5/3 5/1 - -
8 PA08 - - 8 2 0/0 2/1 0/0 0/0 1/4
9 PA09 - 9 9 3 0/1 2/0 0/1 0/1 1/5
10 PA10 - 10 10 - 0/2 2/2 1/0 0/2 1/6
11 PA11 - 11 11 - 0/3 2/3 1/1 0/3 1/7
14 PA14 - 14 - - 2/2 4/2 3/0 2/0 1/2
18 PA18 - 2 - - 1/2 3/2 3/0 1/2 0/6
22 PA22 - 6 - - 3/0 5/1 4/0 1/6 0/2
23 PA23 - 7 - - 3/1 5/0 4/1 1/7 0/3
27 PA27 - 11 - - - - - - -
42 PB10 - 10 - - - 4/2 5/0 0/4 1/0
43 PB11 - 12 - - - 4/3 5/1 0/5 1/1
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
For the definition of the table columns see the explanation at the table for
Adafruit ItsyBitsy M4 Express :ref:`samd51_pinout_table`.
The default devices at the board are:
- UART 1 at pins 6/7, labelled D0/D1
- I2C 2 at pins 14/15, labelled SDA/SCL
- SPI 1 at pins 16/17/18, labelled MOSI, MISO and SCK
- DAC output on pins 0 and 4, labelled A0_D9 and A4_D13
Seeed WIO Terminal pin assignment table
---------------------------------------
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
Pin GPIO Pin name IRQ ADC ADC Serial Serial TC PWM PWM
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
33 PB01 CS 1 13 - - 5/3 7/1 - -
59 PB27 RX 13 - - 2/1 4/0 - 1/3 -
58 PB26 TX 12 - - 2/0 4/1 - 1/2 -
79 PC15 3V3_ENABLE 15 - - 7/3 6/3 - 0/5 1/1
78 PC14 5V_ENABLE 14 - - 7/2 6/2 - 0/4 1/0
40 PB08 A0_D0 8 2 0 - 4/0 4/0 - -
41 PB09 A1_D1 9 3 1 - 4/1 4/1 - -
7 PA07 A2_D2 7 7 - - 0/3 1/1 - -
36 PB04 A3_D3 4 - 6 - - - - -
37 PB05 A4_D4 5 - 7 - - - - -
38 PB06 A5_D5 6 - 8 - - - - -
4 PA04 A6_D6 4 4 - - 0/0 0/0 - -
39 PB07 A7_D7 7 - 9 - - - - -
6 PA06 A8_D8 6 6 - - 0/2 1/0 - -
90 PC26 BUTTON_1 10 - - - - - - -
91 PC27 BUTTON_2 11 - - 1/0 - - - -
92 PC28 BUTTON_3 12 - - 1/1 - - - -
107 PD11 BUZZER 6 - - 7/3 6/3 - 0/4 -
47 PB15 GPCLK0 15 - - 4/3 - 5/1 4/1 0/3
44 PB12 GPCLK1 12 - - 4/0 - 4/0 3/0 0/0
45 PB13 GPCLK2 13 - - 4/1 - 4/1 3/1 0/1
48 PB16 I2C_BCLK 0 - - 5/0 - 6/0 3/0 0/4
20 PA20 I2S_LRCLK 4 - - 5/2 3/2 7/0 1/4 0/0
21 PA21 I2S_SDIN 5 - - 5/3 3/3 7/1 1/5 0/1
22 PA22 I2S_SDOUT 6 - - 3/0 5/1 4/0 1/6 0/2
50 PB18 LCD_MISO 2 - - 5/2 7/2 - 1/0 -
51 PB19 LCD_MOSI 3 - - 5/3 7/3 - 1/1 -
52 PB20 LCD_SCK 4 - - 3/0 7/1 - 1/2 -
53 PB21 LCD_CS 5 - - 3/1 7/0 - 1/3 -
70 PC06 LCD_D/C 6 - - 6/2 - - - -
71 PC07 LCD_RESET 9 - - 6/3 - - - -
74 PC10 LCD_XL 10 - - 6/2 7/2 - 0/0 1/4
76 PC12 LCD_XR 12 - - 7/0 6/1 - 0/2 1/6
77 PC13 LCD_YD 13 - - 7/1 6/0 - 0/3 1/7
75 PC11 LCD_YU 11 - - 6/3 7/3 - 0/1 1/5
15 PA15 LED_BLUE 15 - - 2/3 4/3 3/1 2/1 1/3
69 PC05 LED_LCD 5 - - 6/1 - - - -
94 PC30 MIC 14 - 12 - - - - -
32 PB00 MISO 9 12 - - 5/2 7/0 - -
34 PB02 MOSI 2 14 - - 5/0 6/0 2/2 -
35 PB03 SCK 9 15 - - 5/1 6/1 - -
12 PA12 SCL0 12 - - 2/0 4/1 2/0 0/6 1/2
13 PA13 SDA0 13 - - 2/1 4/0 2/1 0/7 1/3
16 PA16 SCL1 0 - - 1/0 3/1 2/0 1/0 0/4
17 PA17 SDA1 1 - - 1/1 3/0 2/1 1/1 0/5
117 PD21 SD_DET 11 - - 1/3 3/3 - 1/1 -
83 PC19 SD_CS 3 - - 6/3 0/3 - 0/3 -
82 PC18 SD_MISO 2 - - 6/2 0/2 - 0/2 -
80 PC16 SD_MOSI 0 - - 6/0 0/1 - 0/0 -
81 PC17 SD_SCK 1 - - 6/1 0/0 - 0/1 -
30 PA30 SWCLK 14 - - 7/2 1/2 6/0 2/0 -
31 PA31 SWDIO 15 - - 7/3 1/3 6/1 2/1 -
108 PD12 SWITCH_B 7 - - - - - 0/5 -
116 PD20 SWITCH_U 10 - - 1/2 3/2 - 1/0 -
104 PD08 SWITCH_X 3 - - 7/0 6/1 - 0/1 -
105 PD09 SWITCH_Y 4 - - 7/1 6/0 - 0/2 -
106 PD10 SWITCH_Z 5 - - 7/2 6/2 - 0/3 -
24 PA24 USB_DM 8 - - 3/2 5/2 5/0 2/2 -
25 PA25 USB_DP 9 - - 3/3 5/3 5/1 - -
0 PA00 - 0 - - - 1/0 2/0 - -
1 PA01 - 1 - - - 1/1 2/1 - -
2 PA02 - 2 0 - - - - - -
3 PA03 - 3 10 - - - - - -
5 PA05 - 5 5 - - 0/1 0/1 - -
8 PA08 - - 8 2 0/0 2/1 0/0 0/0 1/4
9 PA09 - 9 9 3 0/1 2/0 0/1 0/1 1/5
10 PA10 - 10 10 - 0/2 2/2 1/0 0/2 1/6
11 PA11 - 11 11 - 0/3 2/3 1/1 0/3 1/7
14 PA14 - 14 - - 2/2 4/2 3/0 2/0 1/2
18 PA18 - 2 - - 1/2 3/2 3/0 1/2 0/6
19 PA19 - 3 - - 1/3 3/3 3/1 1/3 0/7
23 PA23 - 7 - - 3/1 5/0 4/1 1/7 0/3
27 PA27 - 11 - - - - - - -
42 PB10 - 10 - - - 4/2 5/0 0/4 1/0
43 PB11 - 12 - - - 4/3 5/1 0/5 1/1
46 PB14 - 14 - - 4/2 - 5/0 4/0 0/2
49 PB17 - 1 - - 5/1 - 6/1 3/1 0/5
54 PB22 - 22 - - 1/2 5/2 7/0 - -
55 PB23 - 7 - - 1/3 5/3 7/1 - -
56 PB24 - 8 - - 0/0 2/1 - - -
57 PB25 - 9 - - 0/1 2/0 - - -
60 PB28 - 14 - - 2/2 4/2 - 1/4 -
61 PB29 - 15 - - 2/3 4/3 - 1/5 -
62 PB30 - 14 - - 7/0 5/1 0/0 4/0 0/6
63 PB31 - 15 - - 7/1 5/0 0/1 4/1 0/7
64 PC00 - 0 - 10 - - - - -
65 PC01 - 1 - 11 - - - - -
66 PC02 - 2 - 4 - - - - -
67 PC03 - 3 - 5 - - - - -
68 PC04 - 4 - - 6/0 - - 0/0 -
84 PC20 - 4 - - - - - 0/4 -
85 PC21 - 5 - - - - - 0/5 -
86 PC22 - 6 - - 1/0 3/1 - 0/5 -
87 PC23 - 7 - - 1/1 3/0 - 0/7 -
88 PC24 - 8 - - 0/2 2/2 - - -
89 PC25 - 9 - - 0/3 2/3 - - -
95 PC31 - 15 - 13 - - - - -
96 PD00 - 0 - 14 - - - - -
97 PD01 - 1 - 15 - - - - -
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
For the definition of the table columns see the explanation at the table for
Adafruit ItsyBitsy M4 Express :ref:`samd51_pinout_table`.
There seems to be no default pin assignment for this board.
Sparkfun SAMD51 Thing Plus pin assignment table
------------------------------------------------
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
Pin GPIO Pin name IRQ ADC ADC Serial Serial TC PWM PWM
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
2 PA02 A0 2 0 - - - - - -
40 PB08 A1 8 2 0 - 4/0 4/0 - -
41 PB09 A2 9 3 1 - 4/1 4/1 - -
4 PA04 A3 4 4 - - 0/0 0/0 - -
5 PA05 A4 5 5 - - 0/1 0/1 - -
34 PB02 A5 2 14 - - 5/0 6/0 2/2 -
13 PA13 D0 13 - - 2/1 4/0 2/1 0/7 1/3
12 PA12 D1 12 - - 2/0 4/1 2/0 0/6 1/2
6 PA06 D4 6 6 - - 0/2 1/0 - -
15 PA15 D5 15 - - 2/3 4/3 3/1 2/1 1/3
20 PA20 D6 4 - - 5/2 3/2 7/0 1/4 0/0
21 PA21 D7 5 - - 5/3 3/3 7/1 1/5 0/1
7 PA07 D9 7 7 - - 0/3 1/1 - -
18 PA18 D10 2 - - 1/2 3/2 3/0 1/2 0/6
16 PA16 D11 0 - - 1/0 3/1 2/0 1/0 0/4
19 PA19 D12 3 - - 1/3 3/3 3/1 1/3 0/7
17 PA17 D13 1 - - 1/1 3/0 2/1 1/1 0/5
10 PA10 FLASH_CS 10 10 - 0/2 2/2 1/0 0/2 1/6
11 PA11 FLASH_MISO 11 11 - 0/3 2/3 1/1 0/3 1/7
8 PA08 FLASH_MOSI - 8 2 0/0 2/1 0/0 0/0 1/4
9 PA09 FLASH_SCK 9 9 3 0/1 2/0 0/1 0/1 1/5
43 PB11 MISO 12 - - - 4/3 5/1 0/5 1/1
44 PB12 MOSI 12 - - 4/0 - 4/0 3/0 0/0
55 PB23 RXD 7 - - 1/3 5/3 7/1 - -
35 PB03 RXLED 9 15 - - 5/1 6/1 - -
45 PB13 SCK 13 - - 4/1 - 4/1 3/1 0/1
23 PA23 SCL 7 - - 3/1 5/0 4/1 1/7 0/3
22 PA22 SDA 6 - - 3/0 5/1 4/0 1/6 0/2
30 PA30 SWCLK 14 - - 7/2 1/2 6/0 2/0 -
31 PA31 SWDIO 15 - - 7/3 1/3 6/1 2/1 -
54 PB22 TXD 22 - - 1/2 5/2 7/0 - -
27 PA27 TXLED 11 - - - - - - -
24 PA24 USB_DM 8 - - 3/2 5/2 5/0 2/2 -
25 PA25 USB_DP 9 - - 3/3 5/3 5/1 - -
0 PA00 - 0 - - - 1/0 2/0 - -
1 PA01 - 1 - - - 1/1 2/1 - -
3 PA03 - 3 10 - - - - - -
14 PA14 - 14 - - 2/2 4/2 3/0 2/0 1/2
32 PB00 - 9 12 - - 5/2 7/0 - -
33 PB01 - 1 13 - - 5/3 7/1 - -
36 PB04 - 4 - 6 - - - - -
37 PB05 - 5 - 7 - - - - -
38 PB06 - 6 - 8 - - - - -
39 PB07 - 7 - 9 - - - - -
42 PB10 - 10 - - - 4/2 5/0 0/4 1/0
46 PB14 - 14 - - 4/2 - 5/0 4/0 0/2
47 PB15 - 15 - - 4/3 - 5/1 4/1 0/3
48 PB16 - 0 - - 5/0 - 6/0 3/0 0/4
49 PB17 - 1 - - 5/1 - 6/1 3/1 0/5
62 PB30 - 14 - - 7/0 5/1 0/0 4/0 0/6
63 PB31 - 15 - - 7/1 5/0 0/1 4/1 0/7
=== ==== ============ ==== ==== ==== ====== ====== ===== ===== =====
For the definition of the table columns see the explanation at the table for
Adafruit ItsyBitsy M4 Express :ref:`samd51_pinout_table`.
The default devices at the board are:
- UART 1 at pins 2/3, labelled RXD/TXD
- I2C 5 at pins 20/21, labelled SDA/SCL
- SPI 4 at pins 22/23/24, labelled MOSI, MISO and SCK
- DAC output on pins 14 and 18, labelled A0 and A4
Scripts for creating the pin assignment tables
----------------------------------------------
The tables shown above were created with small a Python script running on the target board::
from samd import pininfo
from machine import Pin
import os
def print_entry(e, txt):
print(txt, end=": ")
if e == 255:
print(" - ", end="")
else:
print("%d/%d" % (e >> 4, e & 0x0f), end="")
def print_pininfo(pin, info):
print("%3d" % pin, end=" ")
print("P%c%02d" % ("ABCD"[pin // 32], pin % 32), end="")
print(" %12s" % info[0], end="")
print(" IRQ:%2s" % (info[1] if info[1] != 255 else "-"), end="")
print(" ADC0:%2s" % (info[2] if info[2] != 255 else "-"), end="")
if len(info) == 7:
print_entry(info[3], " Serial1")
print_entry(info[4], " Serial2")
print_entry(info[5], " PWM1" if (info[5] >> 4) < 3 else " TC")
print_entry(info[6], " PWM2")
else:
print(" ADC1:%2s" % (info[3] if info[3] != 255 else "-"), end="")
print_entry(info[4], " Serial1")
print_entry(info[5], " Serial2")
print_entry(info[6], " TC")
print_entry(info[7], " PWM1")
print_entry(info[8], " PWM2")
print()
def tblkey(i):
name = i[1][0]
if name != "-":
if len(name) < 3:
return " " + name
else:
return name
else:
return "zzzzzzz%03d" % i[0]
def table(num = 127):
pintbl = []
for i in range(num):
try:
pintbl.append((i, pininfo(i)))
except:
pass
# print("not defined")
pintbl.sort(key=tblkey)
for item in pintbl:
print_pininfo(item[0], item[1])
table()
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