RP2040 microcontroller chip designed independently by for Raspberry PiDual core ARM Cortex processor with a flexible clock running at frequencies up to 133MHzBuilt in 264KB SRAM and 16MB chip with FlashOn board DVI interface, capable of driving the vast majority of HDMI screens (requires compatibility with DVI interface)On board PIO-USB interface, which can serve as a USB host and slaveOn board Micro SD card holder, readable and writable Micro SD cardOnboard lithium battery charging and discharging interface, which is beneficial for use in mobile scenariosUSB 1.1 Host and Device SupportIt can be recognized as mass storage through USB for drag and drop download programsSupports low-power sleep and sleep modes2 SPI, 2 I2C, 2 UART, 4 12-bit ADC, and 16 controllable PWM channelsAccurate on-chip clock and timertemperature sensorOn chip accelerated floating-point library8 programmable I/O (PIO) state machines for custom peripheral supportPackaging includes1 * Development board