STM32F407VET chip main parameters Kernel: Cortex-M4 32-bit RISC; Features: single-cycle DSP instructions Operating frequency: 18MHz 210DMIPS 1025 DMIPS MHZ Operating voltage: 1.8-3.V Package: LQFP144 Storage resources: 512kB Flash 192 + 4kb SRAM Resources: 3 X SPI, 3 X USART 2 X UART 2 X I2S, 3 X I2C 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 10100 Ethernet for MAC 1 X 8 to 12-bit parallel camera interface 3 X AD (12 Wei, 1us, sharing 24), 2 X DA (12-bit) Package included: 1 x STM32F407VET Development Board