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STM32L051C8 uses ADC to measure voltage value error is 50mV

STM32L051C8 uses ADC to measure the voltage value. The measured voltage value of the AD pin is 0.432V,VCC=3.335V, and the voltage value obtained through AD collection is 0.48V; there is an error of 50mV, and the ADC part of the program and hardware a...

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*于.1 by Associate II
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  • 6 replies
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STM32L4 GPIO lowest current consumption state

I have a product design based upon the STM32L412. This design cares about every nA while in Standby mode. Is there any difference in GPIO current consumption when a pin is in Analog modevs Input mode w/pulldown {with NO external components connected}...

JRuss.4 by Associate
  • 1456 Views
  • 1 replies
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Interfacting Serial JPEG Camera(SC03MPA) to STM32F407 MCU

Hi ST Community,I am trying to Interface JPEG Camera to STM32F407 MCU via UART2 port. My UART2 configurations:char UART2_Config( void ){ char u8UartReturn = SUCCESS; USART_InitStructure.BaudRate      = SERIAL_BAUDRATE_115200; USART_InitStructure.Word...

Skira.17 by Associate II
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  • 0 replies
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Hello, I'm an electronic engineer and I'm working on a project for automation of agricultural machinery, we are using in this project the microcontroller STM32F446RCT7TR.

Hello, I'm an electronic engineer and I'm working on a project for automation of agricultural machinery, we are using in this project the microcontroller STM32F446RCT7TR. however I have little experience in this microcontroller and so I'm sorry if my...

CSele.1 by Associate
  • 579 Views
  • 3 replies
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Resolved! RM0316 spi clock

IN the rm0316 documentation, there is no explicit indication of where and which SPI interface takes the clock, you have to "guess through who turns on this periphery", which is not "strictly deterministic behavior". the documentation is done formally...

Resolved! SPI Discrepancies

HiI'm trying to read an EEPROM connected to SPI1 and facing difficulties. For some reason the clock is off by being idle high. This doesn't happen if I use SPI3 and am therefore wondering if there's some characteristic or further configuration that i...

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NSR by Associate III
  • 1284 Views
  • 6 replies
  • 0 kudos