Core103V is a small STM32 development board that features an STM32F103VET6 device as the microcontroller supports further expansion. It is ideal for starting application development with STM32F family. As a minimal ready-to-run system the Core103V integrates USB communication interface JTAG/SWD programming/debugging interface 8I/Os and UART1 testing interfaces clock circuit USB power management boot mode selection and so on. - STM32F103VET6: the high performance STM32 MCU which features: - Core: Cortex-M3 32-bit RISC - Operating Frequency: 72MHz 1.25 DMIPS/MHz - Operating Voltage: 2~3.6V - Package: LQFP100 - I/Os: 80 - Memories: 512KB Flash 64KB RAM - MCU 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 (12-bit 1Us shares 16 channels); 2 x DA (12-bit) - Debugging/Programming: supports JTAG/SWD (serial wire debug) interfaces supports IAP - Power supply switch powered from 5Vin or USB connection - Boot mode switch for configuring BOOT0 pin - Power indicator - Reset button - 25M crystal oscillator - 32.768K crystal for internal RTC with calibration - JTAG/SWD interface: for debugging/programming - USB connector used for establishing USB communication between PC and the STM32 development board - IO expander (including VCC/GND) all the MCU pins are accessible on expansion connectors for further expansion - 5Vin pinheader 5V power supply input - USB enable jumper - Short the jumper to enable USB function - Open the jumper to disable as well as taking up no I/O port - VBAT selection jumper - Short the jumper to use system power supply - Open the jumper to connect the VBAT to external power such as battery - VREF selection jumper - Short the jumper to connect VREF+ to VCC - Open the jumper to connect VREF+ to other custom pin via jumper wire - AMS1117-3.3: 3.3V voltage regulator - UART1 connector supports programming through UART1 as well as system signal output - 8I/Os interface: for connecting accessory boards such as LEDs module push buttons convenient for code debugging - Packing list: - 1 x Development board - 1 x USB cable (Mini / 80cm) - 2 x 4-Pin cables (18cm) - 2 x 2-Pin cables (18cm) - 1 x Software CD