Phyduino Pico (RP2040): THE pin map. Every Arduino pin number and on-board peripheral pin is defined here and nowhere else. More...

#include <stdint.h>

Macros
#define	PINS_COUNT 23
	Arduino pin numbers 0-22.
#define	NUM_DIGITAL_PINS 23
	Pins 0-22; A3-A5 are analog only.
#define	NUM_ANALOG_INPUTS 6
	A0-A5.
#define	NOT_A_GPIO 0xFF
	Marks an Arduino pin with no RP2040 GPIO behind it (A3-A5).
#define	PHYDUINO_PIN_TO_GPIO
	Arduino pin number -> RP2040 GPIO, indexed by pin number (see table above).
#define	PIN_A0 (14u)
	A0, RP2040 ADC0.
#define	PIN_A1 (15u)
	A1, RP2040 ADC1.
#define	PIN_A2 (16u)
	A2, RP2040 ADC2.
#define	PIN_A3 (17u)
	A3, MAX11635 AIN0 (analog only).
#define	PIN_A4 (18u)
	A4, MAX11635 AIN1 (analog only).
#define	PIN_A5 (19u)
	A5, MAX11635 AIN2 (analog only).
#define	PIN_LED (22u)
	On-board LED, RP2040 GPIO5.
#define	LED_BUILTIN PIN_LED
	On-board LED.
#define	PIN_SERIAL1_TX (1u)
	Serial1 TX: D1, UART0.
#define	PIN_SERIAL1_RX (0u)
	Serial1 RX: D0.
#define	PIN_SERIAL2_TX (4u)
	Serial2 TX: D4, UART1.
#define	PIN_SERIAL2_RX (5u)
	Serial2 RX: D5.
#define	PIN_SPI_SS (10u)
	SPI chip select: D10 (not driven by the SPI library).
#define	PIN_SPI_MOSI (11u)
	SPI MOSI: D11.
#define	PIN_SPI_MISO (12u)
	SPI MISO: D12.
#define	PIN_SPI_SCK (13u)
	SPI clock: D13.
#define	PHYDUINO_SPI_INSTANCE spi1
	RP2040 SPI peripheral used by the SPI library.
#define	PIN_WIRE_SDA (20u)
	I2C data: SDA header pin, RP2040 GPIO24.
#define	PIN_WIRE_SCL (21u)
	I2C clock: SCL header pin, RP2040 GPIO25.
#define	PHYDUINO_WIRE_INSTANCE i2c0
	RP2040 I2C peripheral used by the Wire library.
#define	PHYDUINO_EXT_ADC_SPI spi0
	External ADC: RP2040 SPI peripheral.
#define	PHYDUINO_EXT_ADC_GPIO_SCK 22
	External ADC: SPI clock.
#define	PHYDUINO_EXT_ADC_GPIO_MOSI 23
	External ADC: SPI MOSI.
#define	PHYDUINO_EXT_ADC_GPIO_MISO 20
	External ADC: SPI MISO.
#define	PHYDUINO_EXT_ADC_GPIO_CS 21
	External ADC: chip select.
#define	PHYDUINO_EXT_ADC_GPIO_EOC 19
	External ADC: end of conversion, low when ready.
#define	PHYDUINO_EXT_ADC_GPIO_CNVST 18
	External ADC: conversion start.
#define	PHYDUINO_EXT_ADC_VREF_MV 2048
	External ADC full scale in mV: LM4040 (U7) on AREF.
#define	PHYDUINO_EXT_ADC_VBUS_CH 3
	External ADC channel that measures VBUS.
#define	PHYDUINO_USBPD_I2C i2c1
	USB-PD controller: RP2040 I2C peripheral.
#define	PHYDUINO_USBPD_I2C_ADDR 0x28
	USB-PD controller: 7-bit I2C address.
#define	PHYDUINO_USBPD_GPIO_SDA 2
	USB-PD controller: I2C data.
#define	PHYDUINO_USBPD_GPIO_SCL 3
	USB-PD controller: I2C clock.
#define	PHYDUINO_USBPD_GPIO_ALERT 4
	USB-PD controller: ALERT output.
#define	PHYDUINO_USBPD_GPIO_RESET 29
	USB-PD controller: RESET input.
#define	PHYDUINO_ADC_VREF_MV 3300
	Internal ADC full scale in mV (RP2040 ADC reference = 3.3 V rail).

Detailed Description

Phyduino Pico (RP2040): THE pin map. Every Arduino pin number and on-board peripheral pin is defined here and nowhere else.

Board details and schematic notes: docs/boards/phyduino_pico.html

Arduino pin numbers (Uno-style):

*   Pin   Name        RP2040            Pin   Name        RP2040
*   0     D0 / RX     GPIO1  UART0 RX   11    D11 / MOSI  GPIO11 SPI1 TX
*   1     D1 / TX     GPIO0  UART0 TX   12    D12 / MISO  GPIO12 SPI1 RX
*   2     D2          GPIO6             13    D13 / SCK   GPIO14 SPI1 SCK
*   3     D3          GPIO7             14    A0          GPIO26 ADC0
*   4     D4          GPIO8  UART1 TX   15    A1          GPIO27 ADC1
*   5     D5          GPIO9  UART1 RX   16    A2          GPIO28 ADC2
*   6     D6          GPIO10            17    A3          MAX11635 AIN0 (analog only)
*   7     D7          GPIO15            18    A4          MAX11635 AIN1 (analog only)
*   8     D8          GPIO16            19    A5          MAX11635 AIN2 (analog only)
*   9     D9          GPIO17            20    SDA         GPIO24 I2C0 SDA
*   10    D10 / SS    GPIO13 SPI1 CSn   21    SCL         GPIO25 I2C0 SCL
*                                       22    LED_BUILTIN GPIO5
*

Macro Definition Documentation

◆ PHYDUINO_PIN_TO_GPIO

#define PHYDUINO_PIN_TO_GPIO

Value:

    {                                    \
    1, 0, 6, 7, 8, 9, 10, 15, 16, 17, 13, 11, 12, 14, /* D0-D13 */ \
    26, 27, 28,                                       /* A0-A2  */ \
    NOT_A_GPIO, NOT_A_GPIO, NOT_A_GPIO,               /* A3-A5  */ \
    24, 25,                                           /* SDA, SCL */ \
    5,                                                /* LED    */ \
}

Arduino pin number -> RP2040 GPIO, indexed by pin number (see table above).

Macros

Detailed Description

Macro Definition Documentation

◆ PHYDUINO_PIN_TO_GPIO