Fangrui Product Details Dual-core, Dual-architecture, Equipped With Dual-core Arm -m3 Processor And Dual-core Hazard 3 Risc-v Core Processor, Clock Running Frequency Up To 150mhz. Built-in 520kb And 4mb On-chip Flash. Onboard Fpc 8pin Interface, Usb Type-c Interface Can Be Brought Out Through The Adapter Board. Stamp Hole Design, Can Be Directly Soldered And Integrated Into The Users Self-designed Baseboard. Usb 1.1 Host And Device Support. Support Low-power Sleep And Hibernation Modes. Can Be Identified As A Large-capacity Storage Through Usb For Drag-and-drop Download Of Programs. Lead Out 28 Multi-function Gpi0 Pins (20 Can Be Brought Out Through Pin Headers, And The Rest Can Only Be Soldered Lead Out. 2 Spi, 2 I2c, 2 Uart, 4 12-bit Adc, 16 Controllable Pwm Channels. Accurate On-chip Clock And Timer. Temperature Sensor. On-chip Accelerated Floating-point Library. 12 Programmable Io (pio) State Machines For Custom Peripheral Support. Colour:blue Material:pcb The Actual Product May Have Slight Color Difference Or Difference,