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Description:
This is a core chip based on the STM32F103C8T6ARM core board, with the following functions:
1. The main board is based on the most basic MCU circuit, 8M and 32768 crystal oscillator circuit, and USB power supply circuit.
2. The core board is divided into two rows, leading to all I/O ports.
3. With SWD simulation debugging download interface, it is simple and convenient, and the debugging speed is fast.
4. Use Mirco USB interface, can do USB communication and power supply, USB interface, compatible with ordinary Android mobile phone charger interface.
6. RTC crystal Epson brand, easy to start and more stable.
7. With double pins, but the pins are not welded by default, users can choose the welding direction that suits them according to their own application scenarios.
Chip description:
Model: STM32F103C8T6
Kernel: A.R.M 32-bit™-M3 CPU
Size: 22.86mm x 53.34mm
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)
Timers: 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.
MCU introduced:
1. The highest working frequency is 72MHz, waiting at 0 of the memory, up to 1.25DMips/MHz during periodic access
2. Single cycle multiplication and hardware division
3. 64K Flash program memory
4. 20 k byte slam
5. 2.0~3.6V power supply and I/O pin
6. Power-on/power-off reset (POR/PDR), programmable voltage monitor (PVD)
7. 4~16MHz crystal oscillator
8. Embedded RC oscillator of 8MHz after factory adjustment
9. Embedded RC oscillator with calibration of 40kHz
10. Generate the CPU clock PLL
11. 32kHz RTC oscillator with calibration function
12. Sleep, shutdown and standby modes
13. VBAT supplies power to RTC and backup registers
Interface Description:
1. SWD interface: support simulation, download and debugging.
2. Mirco USB interface: power supply and USB communication, download is not supported.
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 for easy connection with peripherals.
5, 5V and 3.3V power input and output interface: used for external power supply, or common grounding treatment 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): It is convenient for I/O output test or to instruct the program to run.
3. Start to jump to select 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 to make the system main frequency 72MHz.
6. 32.768KHz crystal oscillator: can be used for built-in RTC or calibration.
Package included:
10 x STM32F103C8T6 System Board
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