STM32F103C8 (Blue Pill)
- ARM®32-bit Cortex®-M3 CPU
- Flash 64KB
- RAM 20KB
- 72 MHz max CPU frequency
- GPIO (32) with external interrupt capability
- 12-bit ADC (2) with 10 channels
- RTC
- Timers (4)
- I2C (2)
- USART (3)
- SPI (2)
- USB 2.0 full-speed
- CAN
References:
https://wiki.stm32duino.com/index.php?title=Blue_Pill https://os.mbed.com/users/hudakz/code/STM32F103C8T6_Hello/ https://os.mbed.com/users/hudakz/code/CAN_Hello/