RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom

Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz

264kB of SRAM, and 2MB of on-board flash memory

USB 1.1 with device and host support

Low-power sleep and dormant modes

Drag-and-drop programming using mass storage over USB

26 × multi-function GPIO pins

2 × SPI, 2 × I2C, 2 × UART, 3 × 12-bit ADC, 16 × controllable PWM channels

Accurate clock and timer on-chip

Temperature sensor

Accelerated floating-point libraries on-chip

8 × Programmable I/O (PIO) state machines for custom peripheral Pi Pico W adds on-board single-band 2.4GHz wireless interfaces (802.11n) using the Infineon CYW4343 while retaining the Pico form factor. The on-board 2.4GHz wireless interface has the following features:

• Wireless (802.11n), single-band (2.4 access point supporting up to four clients