STM32F103VET6: - Core: ARM Cortex-M3 32-bit RISC; - Operating frequency: 72MHz 1.25 DMIPS/MHz; - I/Os: 80; - Operating Voltage: 2~3.6V; - Memories: 512KB Flash 64KB RAM; - Communication interfaces: 3 x SPI 5 x USART 2 x I2S 2 x I2C 1 x FSMC 1 x LCD 1 x SDIO 1 x USB 1 x CAN; - AD & DA converters: 3 x AD (12bit 1us shares 16 channels); 2 x DA (12bit); - Debugging/Programming: supports JTAG/SWD interfaces debugging download supports IAP; - AMS1117-3.3: 3.3V voltage regulators - Power indicator; - LEDs: Convenient for indicating I/O status or program debugging running state; - Reset button; - User key; - Joystick; - 32.768K crystal oscillator: for internal RTC; - 8M crystal oscillator: enables the MCU run at 72M frequency by frequency multiplication; - JTAG/SWD interface: for debugging/programming; - USB FS Device connector used for establishing USB communication between PC and the STM32 development board - UART1 pin header supports ISP (In-System Programming) through UART1 as well as system signal output - IO expander all the MCU pins are accessible on expansion connectors for further expansion - Power input/output header 5V/3.3V usually used for power output or common ground with other user board - 5V DC power jack - Boot mode selection: for configuring the BOOT0 and BOOT1 pins; - Jumper for selecting power supply powered from 5V DC jack or USB connection - USB enable jumper - Short the jumper to enable the PC auto detection while USB connecting - Open the jumper to disable - VBAT enable jumper powered from battery is available via this jumper an external battery is required. - VREF jumper: - Short the jumper to connect VREF+/VREF- respectively to VCC/GND - Open the jumper to connect VREF+/VREF- to other custom pins via jumper wires - User LEDs jumper: - Short the jumper to connect to I/Os that used in example code - Open the jumper to connect to other custom pins via jumper wires - User buttons jumper: - Short the jumper to connect to I/Os that used in example code - Open the jumper to connect to other custom pins via jumper wires - Joystick jumper: - Short the jumper to connect to I/Os that used in example code - Open the jumper to connect to other custom pins via jumper wires - Packing list: - 1 x Development board - 1 x USB cable (100cm) - 1 x USB connection cable (mini / 120cm) - 2 x 4-Pin cables (21cm) - 2 x 2-Pin cables (21cm) - 1 x Software CD