Raspberry Pi, 32bit ARM Cortex M0+, ARM Microcontroller, 133MHz, 16 MB Flash, 56-Pin QFN

The Raspberry Pi RP2040 is the debut microcontroller from Raspberry Pi. It brings signature values of high performance, low cost, and ease of use to the microcontroller space. The RP2040 is manufactured on a modern 40nm process node, delivering high performance, low dynamic power consumption, and low leakage, with a variety of low-power modes to support extended-duration operation on battery power.

264kB on chip SRAM in six independent banks
DMA controller
Fully connected AHB crossbar
Interpolator and integer divider peripherals
On chip programmable LDO to generate core voltage
2 on-chip PLLs to generate USB and core clocks
30 GPIO pins, 4 of which can be used as analogue inputs