1. The RP2350-USB-A is a compact RP2350 development board featuring an onboard USB expansion port (compatible with USB 2.0/1.1). Despite its tiny form factor, it breaks out 15 multi-function GPIO pins and utilizes castellated holes (half-holes) along the PCB edges for quick and easy project integration.
2. RP2350A microcontroller chip designed by Raspberry Pi in the United Kingdom
3. Adopts unique dual-core and dual-architecture design: dual-core Arm Cortex-M33 processor and dual-core Hazard3 RISC-V processor, flexible clock running up to 150 MHz
4. 520KB of SRAM, and 2MB of onboard Flash memory
5. Type-C connector, keeps it up to date, easier to use
6. Castellated module allows soldering directly to carrier boards
7. USB 1.1 with device and host support
8. Onboard 1x USB Type A expansion port via PIO, compatible with USB 2.0/1.1 transmission
9. Low-power sleep and dormant modes
10. Drag-and-drop programming using mass storage over USB
11. Adapting 15 × multi-function GPIO pins
12. 2 × SPI, 2 × I2C, 2 × UART, 4 × 12-bit ADC, 14 × controllable PWM channels
13. Accurate clock and timer on-chip
14. Temperature sensor
15. Accelerated floating-point libraries on-chip
16. 12 × Programmable I/O (PIO) state machines for custom peripheral support