Description Description: Model: STM32F103C8T6.Core: ARM 32 Cortex-M3 CPU.Debug mode: SWD.72MHz work frequency.64K flash memory, 20K SRAM.2.0-3.6V power, I/O.Reset(POR/PDR).4-16MHz crystal.Micro USB connector , you can give the board power supply and USB communication.Size:5.3cm x 2.2cm. Chip description: Packing type: LQFP Number of pins: 48 Core: Cortex-M3 Working frequency: 72MHz Storage resources: 64K Byte Flash, 20KByte SRAM Interface resources: 2x SPI, 3x USART, 2x I2C, 1x CAN, 37x I / O port Analog-to-digital conversion: 2x ADC (12 bits / 16 channels) Timer: 3 general-purpose timers and 1 advanced timer Debug download: Support JTAG / SWD debug interface download, support IAP RT9193: 3.3V voltage regulator chip, the maximum output is 300mA Interface Description: 1. SWD interface: support simulation, download and debugging. 2. Mirco USB interface: power and USB communication, does not support download. 3. USART1 interface: USART1 can be used to download programs, or use USART1 for communication. 4. MCU pin interface: Lead out all I / O port pins to facilitate connection with peripherals. 5. 5V and 3.3V power input and output interface: commonly used for external power supply, or grounded with other modules Description of other equipment: 1. Power indicator light (PWR): The status of the power indicator light can determine whether the power supply is stable. 2. User LED (PC13): Convenient for I / O output test or instruction program operation. 3. Start jumping to select the programming mode: (1, user flash memory 2, SRAM 3, system memory). 4. Reset button: reset the chip for the user program. 5. 8M crystal oscillator: The frequency can be set so that the system main frequency is 72MHz. 6. 32.768KHz crystal oscillator: can be used for built-in RTC or calibration. Package includes: 1 x Development Board
