The RP2040 is a microcontroller designed by Raspberry Pi. It belongs to the Raspberry Pi family and features the RP2040 chip. This chip is widely known for its versatile design, used in many Raspberry Pi-based projects.
Below is a detai LED explanation of the RP2040's pin functions, the packaging, and the pinout table, along with common FAQs.
RP2040 Pinout
PackagingThe RP2040 is typically available in a QFN-56 (Quad Flat No-lead) package with 56 pins. In some configurations, it might come in a smaller package, like QFN-32 for reduced applications. The pinout for the QFN-56 package is listed below.
Pinout Table for RP2040 (QFN-56)
Pin # Function Pin Name Description 1 Power VBUS USB 5V input (for powering the device) 2 Ground GND Ground pin 3 Power 3.3V 3.3V power output 4 Digital I/O GP0 General-purpose I/O pin 5 Digital I/O GP1 General-purpose I/O pin 6 Digital I/O GP2 General-purpose I/O pin 7 Digital I/O GP3 General-purpose I/O pin 8 Digital I/O GP4 General-purpose I/O pin 9 Digital I/O GP5 General-purpose I/O pin 10 Digital I/O GP6 General-purpose I/O pin 11 Digital I/O GP7 General-purpose I/O pin 12 Digital I/O GP8 General-purpose I/O pin 13 Digital I/O GP9 General-purpose I/O pin 14 Digital I/O GP10 General-purpose I/O pin 15 Digital I/O GP11 General-purpose I/O pin 16 Digital I/O GP12 General-purpose I/O pin 17 Digital I/O GP13 General-purpose I/O pin 18 Digital I/O GP14 General-purpose I/O pin 19 Digital I/O GP15 General-purpose I/O pin 20 Digital I/O GP16 General-purpose I/O pin 21 Digital I/O GP17 General-purpose I/O pin 22 Digital I/O GP18 General-purpose I/O pin 23 Digital I/O GP19 General-purpose I/O pin 24 Digital I/O GP20 General-purpose I/O pin 25 Digital I/O GP21 General-purpose I/O pin 26 Digital I/O GP22 General-purpose I/O pin 27 Digital I/O GP23 General-purpose I/O pin 28 Digital I/O GP24 General-purpose I/O pin 29 Digital I/O GP25 General-purpose I/O pin (LED) 30 Digital I/O GP26 General-purpose I/O pin 31 Digital I/O GP27 General-purpose I/O pin 32 Digital I/O GP28 General-purpose I/O pin 33 Digital I/O GP29 General-purpose I/O pin 34 Digital I/O GP30 General-purpose I/O pin 35 Digital I/O GP31 General-purpose I/O pin 36 Digital I/O GP32 General-purpose I/O pin 37 Digital I/O GP33 General-purpose I/O pin 38 Digital I/O GP34 General-purpose I/O pin 39 Digital I/O GP35 General-purpose I/O pin 40 Digital I/O GP36 General-purpose I/O pin 41 Digital I/O GP37 General-purpose I/O pin 42 Digital I/O GP38 General-purpose I/O pin 43 Digital I/O GP39 General-purpose I/O pin 44 Digital I/O GP40 General-purpose I/O pin 45 Digital I/O GP41 General-purpose I/O pin 46 Digital I/O GP42 General-purpose I/O pin 47 Digital I/O GP43 General-purpose I/O pin 48 Digital I/O GP44 General-purpose I/O pin 49 Digital I/O GP45 General-purpose I/O pin 50 Digital I/O GP46 General-purpose I/O pin 51 Digital I/O GP47 General-purpose I/O pin 52 Digital I/O GP48 General-purpose I/O pin 53 Digital I/O GP49 General-purpose I/O pin 54 Digital I/O GP50 General-purpose I/O pin 55 Digital I/O GP51 General-purpose I/O pin 56 Power 3.3V Power output20 Frequently Asked Questions (FAQ) for RP2040
Q: What is the RP2040 microcontroller? A: The RP2040 is a microcontroller designed by Raspberry Pi, featuring dual ARM Cortex-M0+ cores, and is used in various embedded applications.
Q: How many pins does the RP2040 have? A: The RP2040 in the QFN-56 package has 56 pins.
Q: Can I use all the pins for general-purpose I/O? A: Most pins are general-purpose I/O, but some are dedicated to specific functions like power, ground, and USB interface s.
Q: What voltage does the RP2040 run at? A: The RP2040 operates at a core voltage of 3.3V.
Q: Does the RP2040 have built-in USB support? A: Yes, it has a USB 1.1 host/device interface.
Q: How many GPIO pins are there in the RP2040? A: There are 26 general-purpose I/O pins on the RP2040.
Q: Is the RP2040 compatible with the Raspberry Pi GPIO? A: While the RP2040 has GPIO pins, it is not directly compatible with Raspberry Pi GPIO headers, which are for the Raspberry Pi single-board computers.
Q: Can I use PWM on RP2040 GPIO pins? A: Yes, many of the GPIO pins support PWM functionality.
Q: Does the RP2040 support analog I/O? A: Yes, the RP2040 supports ADC (Analog-to-Digital Conversion) on some of its GPIO pins.
Q: How do I reset the RP2040? A: You can reset the RP2040 via the RESET pin or programmatically.
Q: What is the maximum clock speed of the RP2040? A: The maximum clock speed of the RP2040 is 133 MHz.
Q: What types of peripherals are available on the RP2040? A: The RP2040 supports peripherals like UART, SPI, I2C, PWM, ADC, and timers.
Q: Does the RP2040 support I2C communication? A: Yes, it supports I2C communication via its GPIO pins.
Q: Can I program the RP2040 using Python? A: Yes, the RP2040 can be programmed using MicroPython or CircuitPython.
Q: How much memory does the RP2040 have? A: The RP2040 has 264KB of SRAM and supports external flash memory.
Q: Can I connect external devices like sensors to the RP2040? A: Yes, the RP2040 is ideal for connecting to various sensors via I2C, SPI, or UART.
Q: Does the RP2040 have any built-in peripherals for audio? A: While there is no dedicated audio peripheral, you can generate audio signals via PWM or an external DAC.
Q: How do I program the RP2040? A: The RP2040 can be programmed using USB by dragging and dropping code files onto the board in bootloader mode.
Q: Can I use the RP2040 in battery-powered applications? A: Yes, as long as you provide the necessary voltage and manage power consumption efficiently.
Q: Is there any support for hardware debouncing on the RP2040? A: While there is no built-in debouncing, you can implement software debouncing on GPIO pins for buttons and switches.
This FAQ section addresses common queries about the RP2040, but more detailed technical questions can be addressed in the chip's datasheet and manuals provided by Raspberry Pi.
