STM32 MCUs Products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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ADC Multichannel Issue

I am using STM32F423RHT6 in my project. I am using 2 ADC Channels for measuring Voltage and Current(through Current Sensor). But I am facing a strange issue. Where the channel corresponding to the current is getting accurate values of analog voltage....

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vbk22398 by Associate III
  • 70 Views
  • 4 replies
  • 1 kudos

STM32L0 wake up pin 1 (PA0) not working?

Hi, I would like to use system wake-up pin 1 (PA0) as an external interrupt to wake up my MCU from standby mode. Understand that a rising edge on PA0 (wake-up pin 1) should trigger the MCU to exit standby mode. However, I am encountering difficulties...

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chai2145 by Associate III
  • 212 Views
  • 10 replies
  • 3 kudos

Undocumented behaviour STM32C011F4U6TR

Hi,We notice the startup time from power up can be affected by setting one GPIOB pin to input. The startup time here refers to the time from SystemInit() until main(). Basically it contains scatterload and __rt_entry to my understanding.Specifically,...

powerup_time_without_gpiob_input.png 2nd_iwdg_reset_without_gpio.png powerup_time_with_gpiob_input.png
ah2 by Associate II
  • 537 Views
  • 21 replies
  • 0 kudos

RTCv2 coarse calibration remarks

While the Coarse calibration in RTCv2 is obsolete, in 'L1 and 'F2 it's the only method (and I know 'L1 is NRND, but it's still around and will be for years to come, if ST sticks to its commitment), and as long as it's mentioned in 'F4 it should be pr...