key features:

• RP2040 microcontroller with 2MB Flash

• Micro-USB B port for power and data (and for reprogramming the Flash)

• 40 pin 21×51 'DIP' style 1mm thick PCB with 0.1 through-hole pins also with edge castellations

◦ Exposes 26 multi-function 3.3V General Purpose I/O (GPIO)

◦ 23 GPIO are digital-only and 3 are ADC capable

◦ Can be surface mounted as a module

• 3-pin ARM Serial Wire Debug (SWD) port

• Simple yet highly flexible power supply architecture

◦ Various options for easily powering the unit from micro-USB, external supplies or batteries

• High quality, low cost, high availability

• Comprehensive SDK, software examples and documentation

For full details of the RP2040 microcontroller please see the RP2040 Datasheet, however the headline features are:

• Dual-core cortex M0+ at up to 133MHz

◦ On-chip PLL allows variable core frequency

• 264kB multi-bank high performance SRAM

• External Quad-SPI Flash with eXecute In Place (XIP) and 16kB on-chip cache

• High performance full-crossbar bus fabric

• On-board USB1.1 (device or host)

• 30 multi-function General Purpose IO (4 can be used for ADC)

◦ 1.8-3.3V IO Voltage (NOTE Pico IO voltage is fixed at 3.3V)

• 12-bit 500ksps Analogue to Digital Converter (ADC)

• Various digital peripherals

◦ 2 × UART, 2 × I2C, 2 × SPI, 16 × PWM channels

◦ 1 × Timer with 4 alarms, 1 × Real Time Counter

• 2 × Programmable IO (PIO) blocks, 8 state machines total

◦ Flexible, user-programmable high-speed IO

◦ Can emulate interfaces such as SD Card and VGA