Features and Specifications:
- Onboard Mini USB interface, you can give the board power supply and USB communication.
- 72MHz work frequency
- 32KB flash memory, 20K SRAM
- 2.0-3.6V power, I/O
- Reset(POR/PDR)
- 4-16MHz crystal
- 32 kHz oscillator for RTC with calibration
- Up to 2 x I2C interfaces (SMBus/PMBus)
- Up to 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
- Up to 2 SPIs (18 Mbit/s)
- CAN interface (2.0B Active)