STM32F103C8T6 ARM STM32 Minimum System Development Board Module Forarduino 1, STM32F103C8T6 Package Type: LQFP; Number of pins: 48; Kernel: Cortex-M3; Operating frequency: 72MHz; Storage resources: 64K Byte Flash, 20KByte SRAM; Interface Resources: 2x SPI, 3x USART, 2x I2C, 1x CAN, 37x I / O ports, Analog-to-digital conversion: 2x ADC (12-bit / 16-channel) Timers: 3 general timers and 1 advanced timer Debug Download: Support JTAG / SWD debug interface to download, support for IAP. 2, RT9193: 3.3V regulator chip, the maximum output of 300mA. Interface description: 1, SWD interface: support for simulation, download and debug. 2, Mirco USB interface: power supply and USB communication, does not support the download. 3, USART1 interface: USART1 can be used to download the program, or use the USART1 for communication. 4, MCU pin interface: leads all I / O port pins, easy to connect with peripherals. 5, 5V and 3.3V power input and output interface: commonly used in external power supply, or with other modules for common ground treatment Dijual per 1pcs Stock Ready