Specifications:
21 mm × 51 mm form factor
dual-core arm cortex-m0+ processor, flexible clock running up to 133 mhz
264kb on-chip sram
2mb on-board qspi flash
2.4ghz 802.11n wireless lan (raspberry pi pico w and wh only)
26 multifunction gpio pins, including 3 analogue inputs
2 × uart, 2 × spi controllers, 2 × i2c controllers, 16 × pwm channels
1 × usb 1.1 controller and phy, with host and device support
8 × programmable i/o (pio) state machines for custom peripheral support
supported input power 1.8–5.5v dc
operating temperature -20°c to +70°c
low-power sleep and dormant modes
accurate on-chip clock
temperature sensor
accelerated integer and floating-point libraries on-chip
infineon cyw43439 wireless chip. cyw43439 supports ieee 802.11 b/g/n wireless lan, and bluetooth 5.2