This datasheet provides detailed information about the GD32F103xx series of microcontrollers. The GD32F103xx is a high-performance 32-bit microcontroller with a wide range of peripherals and advanced features.
## Features
- ARM Cortex-M3 core running at up to 108 MHz
- 64/128/256 KB flash memory
- 20 KB SRAM
- USB 2.0 full-speed interface
- CAN 2.0B interface
- Up to 80 GPIOs
- Multiple timers and PWM generators
- Analog-to-digital converters
- Communication interfaces: SPI, I2C, USART
## Pin