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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Is there documentation on best practices for changing system clock configurations and voltage scaling when an STM32 MCU device is already running?

I am updating legacy firmware running on an STM32L151QEhx to the HAL libraries. Our current firmware changes the PLL (which supplies sysclk) configuration's multiplier and divider and the voltage scaling whenever a USB is connection is detected or te...

BCogh.2 by Associate II
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STWINK1B connection to a different cloud-based MQTT broker

Is it possible to connect the STWINK1B to a different cloud-based MQTT broker (personal AWS account for example)? If so, can you advise on how this can be done?Is it possible to attach the STWINK1B on the nRF Cloud which is also on AWS?Finally, is it...

Daz by Associate
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How ADC Works Without GPIO Pins ?

Hi All,I am working on ADC with multiple channels Interrupt method using NUCLEO -L4R5ZI- P(STM32L4R5ZITxP). ADC working for all channels irrespective of GPIO Pins.for example, I Commented GPIOA( Port A and its clock) highlighted in bold color even th...

Resolved! Why cant i write into mem 0x40026410?

stm32f207zg (nucleo-f207zg)Hi, im trying to write into my DMA2 Stream0 CR register (mapped as 0x40026410).But that memory addr cannot be written not with my init code nor manually trough the STM32IDE debugging tools .Is there any memory protection or...

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Javier1 by Principal
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Resolved! When a new value is transmitted in SPI Write mode, the value that was transmitted immediately before is transmitted again.

<configuration​>FreeRTOS, STM32F767, flash memory(W25Q128)using SPI5_Tx/Rx with DMAFull duplex, 4 line, 8 bits, Prescaler = 2, CPOL=Low, CPHA=1 Edge (Mode 0)DMA2_Stream3 for Tx (Very High Priority), DMA2_Stream4 for Rx (Very High Priority) Normal Mod...

pabian by Associate III
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