USB interface support for DFU download (not serial port); OLED interface supports plug and play with 0.96 inch OLED; Connects to 1.44 inch full color LCD; Connects to 1.8 inch full color LCD; Data storage: W25Q16; High speed crystal oscillator 8MHz; Low frequency crystal: 32.768K; Power and programmable LED lights; Reset button; All CPU-IO leads with 2.54mm pitch pins; 32-bit RISC; Single-DSP instructions; Operating frequency: 168MHz, 210DMIPS/1.25DMIPS/MHz; Working voltage: 1.8-3.6V; Package: LQFP100; Storage: 1MB flash capacity; 192+4KB SRAM; Resources: 3x SPI, 3x USART, 2x UART, 2x I2S, 3x I2C, 1x FSMC, 1x SDIO, 2x CAN; 1x USB 2.0 controller (with dedicated DMA); 1x USB ULPI (for external USB PHY); 1x 10/100 Ethernet; 1x 8 to 12-bit parallel camera interface; 3x ADC (12-bit, 1us, time-sharing 24 channels), 2x DAC (12-bit); Color: black; Material: PCB; Package Contents: 1x System Core Board; Only the above package content, other products are not included; Note: Lighting and different displays may cause the color of the item to appear slightly different from the real thing; Measurement allowed error is +/- 1-3cm.