USB interface support download (DFU download, not serial port) OLED interface - plug and play support 0.96 inch OLED TFT liquid crystal interface Connect 1.44 inch full color LCD Connect 1.8 inch full color LCD Data storage: W25Q16 High speed crystal oscillator 8MHz Low frequency crystal: 32.768K Power + programmable LED lights User and reset button All CPU-IO leads 2.54 integer pitch pins Parameter: Kernel: Cortex-M4 32 bit RISC Features: Single-cycle DSP instructions Operating frequency: 168MHZ, 210DMIPS/1.25DMIPS/MHz Working voltage: 1.8-3.6V Package: LQFP100 Storage resource: 512KB Flash Resources: 3 x SPI, 3 x USART 2 x UART, 2 x I2S, 3 x 12C 1 x FSMC, 1 x SDIO, 2 x CAN; 1 x USB 2.0 FS/HS controller (with dedicated DMA) 1 x USB HS ULPI (for external USB HS PHY) 1 x 10/100Ethemet MAC 1 x 8 to 12-bit parallel camera interrace 3 x AD (12-bit, 1us, time-sharing 24), 2 x DA (12-bit) colour:black Material:PCB size:41 x 70MM Package Contents: 2 x System Core Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.