← All parts
GD32F103
GD32F103
Microcontroller
The GD32F103 is a 32-bit Arm Cortex-M3 microcontroller with various peripherals and GPIOs.
In stock
Specifications
7- Operating Voltage
- 2.0V to 3.6V (typical) / 2.7V to 3.6V (absolute maximum)
- Supply Current
- 15mA (typical in Run mode, for GD32F103x4/6/8/B devices) (@ 3.3V, 25°C)
- Interface
- I2C, SPI, UART, ADC, GPIO
- Resolution
- 12-bit (ADC)
- Range
- 0V to 3.6V (ADC input range)
- Accuracy
- ±(0.5% + 4LSB) (ADC)
- Temperature Range
- -40°C to +85°C
Pinout
16Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| PA0 | GPIO | GPIO | General-purpose input/output |
| PA1 | I2C1_SCL | I2C | Serial clock line for I2C1 |
| PA2 | I2C1_SDA | I2C | Serial data line for I2C1 |
| PA3 | USART1_TX | UART | Transmit data for USART1 |
| PA4 | USART1_RX | UART | Receive data for USART1 |
| PA5 | GPIO | GPIO | General-purpose input/output |
| PA6 | SPI1_SCK | SPI | Serial clock line for SPI1 |
| PA7 | SPI1_MISO | SPI | Master input, slave output for SPI1 |
| PB0 | GPIO | GPIO | General-purpose input/output |
| PB1 | GPIO | GPIO | General-purpose input/output |
| PB2 | I2C1_SCL | I2C | Serial clock line for I2C1 (repeated) |
| PB3 | I2C1_SDA | I2C | Serial data line for I2C1 (repeated) |
| PB4 | SPI1_MOSI | SPI | Master out, slave in for SPI1 |
| PB5 | GPIO | GPIO | General-purpose input/output |
| PC0 | ADC1_IN8 | ADC | Analog-to-digital converter input for ADC1 |
| PC13 | GPIO | GPIO | General-purpose input/output |
Interactive pinout
Highlight:
GD32F103
Click a pin to copy its name · tap a tag above to spotlight a bus.