技术特性
- STM32F405RG microcontroller
- 168 MHz Cortex M4 CPU with hardware floating point
- 1024KiB flash ROM and 192KiB RAM
- Micro USB connector for power and serial communication
- Micro SD card slot, supporting standard and high capacity SD cards
- 3-axis accelerometer (MMA7660)
- Real time clock with optional battery backup
- On-board 3.3V LDO voltage regulator, capable of supplying up to 250mA, input voltage range 3.6V to 16V
- DFU bootloader in ROM for easy upgrading of firmware
资源
- 30 GPIO
- 2 I2C 总线
- 5 UART 串口
- 2 SPI 总线
- 20 PWM
- 16 ADC
- 2 DAC 数模转换
- 13 Timer 定时器
- 16 Ext Interrupt 外部中断
- 1 Real Time Clock (RTC) 时钟
- 1 Random Generator
- 4 LED
- 1 Accelerometer 加速度传感器
- 2 Switches 用户按键