USB interface support download (DFU download, not serial port);OLED interface - plug and play support 0.96 inch OLEDTFT liquid crystal interface;Connect 1.44 inch full color LCD;Connect 1.8 inch full color LCD;Data storage: W25Q16High speed crystal oscillator 8MHz;Low frequency crystal: 32.768KPower + programmable LED lights; and reset buttonAll CPU-IO leads 2.54 integer pitch pinsParameter:: - 32 bit RISCFeatures: Single- DSP instructionsOperating frequency: 168MHZ, 210DMIPS/1.25DMIPS/MHzWorking voltage: 1.8-3.6VPackage: LQFP100Storage : ( specification is 1M capacity)192+4KB SRAMResources: 3*SPI, 3*USART2*UART, 2*I2S, 3*12C1*FSMC, 1*SDIO, 2*CAN;1*USB 2.0 / controller (with dedicated DMA)1*USB ULPI (for external USB PHY)1*10/100Ethemet 1*8 to 12-bit parallel camera interrace3*AD (12-bit, 1us, time-sharing 24), 2*DA (12-bit)colour: blackMaterial: PCBPackage Contents: 1*System Core BoardOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.