Part: Raspberry Pi RP2040

Type: Microcontroller

Description: The RP2040 is a dual ARM Cortex-M0+ microcontroller operating at up to 133 MHz, featuring 264kB on-chip SRAM, support for up to 16MB off-chip Flash, and a rich peripheral set including 30 GPIOs, 2x UART, 2x SPI, 2x I2C, 16x PWM, 8x PIO state machines, and USB 1.1.

Operating Conditions:

• Supply voltage: 1.8–3.3 V
• Operating temperature: null
• Max clock frequency: 133 MHz

Absolute Maximum Ratings:

• Max supply voltage: null
• Max continuous current: null
• Max junction/storage temperature: null

Key Specs:

• CPU: Dual ARM Cortex-M0+ @ 133 MHz
• On-chip SRAM: 264kB in six independent banks
• Off-chip Flash memory support: Up to 16MB via dedicated QSPI bus
• GPIO pins: 30 (four can be used as analogue inputs)
• Communication Peripherals: 2 × UARTs, 2 × SPI controllers, 2 × I2C controllers
• PWM channels: 16
• PIO state machines: 8
• USB: 1.1 controller and PHY, with host and device support

Features:

• DMA controller
• Fully connected AHB crossbar
• Interpolator and integer divider peripherals
• On-chip programmable LDO to generate core voltage
• Two on-chip PLLs to generate USB and core clocks
• UF2 bootloader in ROM
• Polished MicroPython port

Applications:

• Machine learning
• Motor control
• Agriculture
• Audio

Package:

• 7 × 7 mm QFN-56 package

CPU:

Dual ARM Cortex-M0+ @ 133 MHz

Memory:

264kB on-chip SRAM in six independent banks Support for up to 16MB of off-chip Flash memory via dedicated QSPI bus

Architecture:

DMA controller

Fully connected AHB crossbar Interpolator and integer divider peripherals On-chip programmable LDO to generate core voltage Two on-chip PLLs to generate USB and core clocks

Interfacing:

30 GPIO pins, four of which can be used as analogue inputs

Peripherals:

2 × UARTs 2 × SPI controllers 2 × I2C controllers 16 × PWM channels 8 × PIO state machines

1 × USB 1.1 controller and PHY, with host and device support

Package:

7 × 7 mm QFN-56 package

Product lifetime:

Raspberry Pi understands the value to customers of long term availability of product and therefore aims to continue supply for as long as practically possible. We expect RP2040 to remain in production until at least January 2041.

Compliance:

RP2040 is compliant to Moisture Sensitivity Level 1. RP2040 is compliant to the requirement of REACH Substances of Very High Concern (SVHC) that ECHA announced on 25 June 2020.

RP2040 is compliant to the requirement and standard of Controlled Environment-related Substance of RoHS directive (EU) 2011/65/EU and directive (EU) 2015/863.

Full details can be found in the RP2040 datasheet.

RP2040 QFN-56 Pinout

Pin Number	Pin Name	Type	Description
1	IOVDD	P	I/O Supply Voltage
2	GPIO0	I/O	General Purpose I/O 0
3	GPIO1	I/O	General Purpose I/O 1
4	GPIO2	I/O	General Purpose I/O 2
5	GPIO3	I/O	General Purpose I/O 3
6	GPIO4	I/O	General Purpose I/O 4
7	GPIO5	I/O	General Purpose I/O 5
8	GPIO6	I/O	General Purpose I/O 6
9	GPIO7	I/O	General Purpose I/O 7
10	IOVDD	P	I/O Supply Voltage
11	GPIO8	I/O	General Purpose I/O 8
12	GPIO9	I/O	General Purpose I/O 9
13	GPIO10	I/O	General Purpose I/O 10
14	GPIO11	I/O	General Purpose I/O 11
15	GPIO12	I/O	General Purpose I/O 12
16	GPIO13	I/O	General Purpose I/O 13
17	GPIO14	I/O	General Purpose I/O 14
18	GPIO15	I/O	General Purpose I/O 15
19	TESTEN	I	Test Enable
20	XOUT	O	Crystal Oscillator Output
21	XIN	I	Crystal Oscillator Input
22	DVDD	P	Core Supply Voltage
23	DVDD	P	Core Supply Voltage
24	GND	S	Ground
25	GND	S	Ground
26	SWCLK	I/O	SWD Clock
27	SWDIO	I/O	SWD Data I/O
28	RUN	I	Run Control
29	GPIO18	I/O	General Purpose I/O 18
30	GPIO19	I/O	General Purpose I/O 19
31	GPIO20	I/O	General Purpose I/O 20
32	GPIO21	I/O	General Purpose I/O 21
33	IOVDD	P	I/O Supply Voltage
34	GPIO22	I/O	General Purpose I/O 22
35	GPIO23	I/O	General Purpose I/O 23
36	GPIO24	I/O	General Purpose I/O 24
37	GPIO25	I/O	General Purpose I/O 25
38	GPIO26/ADC0	I/O	General Purpose I/O 26 / ADC Channel 0
39	GPIO27/ADC1	I/O	General Purpose I/O 27 / ADC Channel 1
40	GPIO28/ADC2	I/O	General Purpose I/O 28 / ADC Channel 2
41	GPIO29/ADC3	I/O	General Purpose I/O 29 / ADC Channel 3
42	IOVDD	P	I/O Supply Voltage
43	VREF	P	ADC Reference Voltage
44	VREG_OUT	P	Voltage Regulator Output
45	VREG_IN	P	Voltage Regulator Input
46	USB_DM	I/O	USB Data Minus
47	USB_DP	I/O	USB Data Plus
48	VBUS	P	USB Bus Voltage
49	VBUS	P	USB Bus Voltage
50	GND	S	Ground
51	GND	S	Ground
52	GND	S	Ground
53	GND	S	Ground
54	GND	S	Ground
55	GND	S	Ground
56	GND	S	Ground

Notes

• Power pins: IOVDD (pins 1, 10, 33, 42), DVDD (pins 22, 23), VBUS (pins 48, 49), VREG_IN (pin 45), VREG_OUT (pin 44), VREF (pin 43)
• Ground pins: GND (pins 24, 25, 50–56)
• ADC pins: GPIO26–GPIO29 (pins 38–41) have dual function as ADC channels 0–3
• Debug pins: SWCLK (pin 26) and SWDIO (pin 27) support SWD protocol
• USB pins: USB_DP (pin 47), USB_DM (pin 46), VBUS (pins 48, 49)
• Crystal pins: XIN (pin 21), XOUT (pin 20) for external oscillator
• Control pins: RUN (pin 28) for chip enable, TESTEN (pin 19) for test mode