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

- Castellated module allows soldering direct to carrier boards

- 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 support