- STM32F103C8 a main chip.
- SMD 8M crystal (through the chip internal PLL up 72M) ST official standard parameters.
- LM1117-3.3V regulator chip provides a maximum 800mA current.
- All the way miniUSB interface, you can give the system version powered USB communication function reserved.
- The reset button.
- A standard JTAG download port, support JLink, STLink.
- BOOT select the port.
- IO extension pin 20pin x 2.
- The power indicator 1.
- A function indicator, IO port is used to verify basic functionality.
- Reserved for serial download interface, easy and 5V development board, serial port to download program.
- Size: 64mm X 36.4mm.
- High performance Epson 32768Hz crystal, crystal-line price is 10 times the price, easy start-up.
- 20K RAM, 64K ROM, TQFP48 package.