Blue Pill (STM32F103C6T6)
The Blue Pill is a small development board based on the STM32F103C6T6 microcontroller, which features an ARM Cortex-M3 core. It's a popular choice for hobbyists and professionals due to its low cost and powerful capabilities.
Key Features of STM32F103C6T6
- Core: ARM 32-bit Cortex-M3 CPU
- Clock Speed: Up to 72 MHz
- Flash Memory: 32 KB
- SRAM: 10 KB
- GPIOs: 37
- ADCs: 10-channel, 12-bit
- Timers: 3 general-purpose timers, 1 advanced-control timer
- Communication Interfaces: I2C, SPI, USART, USB, CAN
Pin use
| Pin Name | Physical Chip pin | Function |
|---|---|---|
| PA10 | 31 | RXD for debugging |
| PA9 | 30 | TXD for debugging |
| PA0 | 10 | PWM output to H-bridge, 0-3.3V |
| PA1 | 11 | DIR, gpio output, either high (3.3V) or low (0V) for the turn direction of the steering motor |
| PB6 | 42 | SCL I2C input at 3.3V, from the Hall effect sensor of steering column |
| PB7 | 43 | SDA I2C input at 3.3V, from the Hall effect sensor of steering column |
| TODO input target angle from Orin | ||
| TODO CAN TX | ||
| TODO CAN RX |