高电平电压(high level voltage),输出的电压值相对较高 低电平电压(low level voltage),输出的电压值相对较低 高低电平的电压具体值是多少需要参考数据手册,举个例子,如下表所示,VDD的典型值是3.3V,根据数据手册可以知道低电平下GPIO输出的最大电压是0.4V;高电平下GPIO输出的最小电压是3.3-0.4=2.9V。 VCC、VEE...
high-speed embedded memories (Flash memory up to 128 Kbytes and SRAM up to 20 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses. All devices offer two 12-bit ADCs, three general
Programmable voltage detector (PVD) Clock sources 1 to 25 MHz crystal oscillator 32 kHz oscillator for RTC with calibration High speed internal 16 MHz factory-trimmed RC (+/- 1%) Internal low-power 37 kHz RC Internal multispeed low-power 65 kHz to 4.2 MHz RC ...
HSI :High Speed Internal (Oscillator/Clock) HVAC :Heating Ventilating and Air Conditioning I :Input Only Pin (Pin Abbreviation) I/O :Input Output Pin (Pin Abbreviation) I/O :Input/Output I2C :Inter Integrated Circuit, aka I squared C I2S :Inter-IC Sound, Integrated Interchip Sound IC :Inp...
1 x high-speed general-purpose master direct memory access controller (MDMA) 3× dual-port DMAs with FIFO and request router capabilities for optimal peripheral management Up to 30 communication peripherals 5× I2C FM+ (1 Mbit/s, SMBus/PMBus™) ...
PWR->CR |= PWR_CR_LPRUN; // enter low power run mode } 清单2:进入运行模式的示例 void enter_Run( void ) { /* Enable Clocks */ RCC->APB1ENR |= RCC_APB1ENR_PWREN; /* Force the regulator into main mode */ // Reset LPRUN bit ...
FTB : Fast Transient Burst (Voltage)FTf : 5V Tolerant Input Output Pin with FM+ capable (Pin Abbreviation)GPIO : General Purpose Input OutputHSE : High Speed External (Oscillator/Clock)HSI : High Speed Internal (Oscillator/Clock)HVAC : Heating Ventilating and Air ConditioningI : Input Only ...
Four color user LEDs and two LEDs as MCU low power alarm Extension connector for daughter board or wrapping board MCU voltage choice fixed 3.3 V or adjustable from 1.65 V to 3.6 V USB full-speed connector Touch sensing buttons RTC with backup battery ...
STM32F1_HAL库使用手册文件.pdf,UM1850 User manual Description of STM32F1xx HAL drivers Introduction TM STMCube is an STMicroelectronics original initiative to ease developers life by reducing development efforts, time and cost. STM32Cube covers STM32 port
simplifying PCB designs and reducing costs. The STM32C0 also includes a highly accurate internal high-speed RC oscillator at 48 MHz. As a result, designers don’t need to add an external one, which lowers the overall BoM. The two devices also share a similar ADC and timers, and a consis...