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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STM32L4A6xG: Use PB4 (NJTRST) as SPI3_MISO?

I need a clarification about something that I read in RM0351Reference manualSTM32L47xxx, STM32L48xxx, STM32L49xxx and STM32L4Axxxadvanced Arm®-based 32-bit MCUsRM0351 Rev 9...During and just after reset, the alternate functions are not active and mos...

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CKugl.1 by Senior II
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How to use RTC with battery backup in a 32 pin package?

Hi, I did never ask in this forum but used STM32 MCUs for years. Allways I use 48+ pin parts and all work like a charm. I'm very happy with the family and did stop to use other Cortex brands years ago. In 2019 I did work in a project that did involve...

Tarloth by Associate II
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Resolved! DMA <-> SPI, RX TX for STM32L0

I'm trying to get the SPI communications to a peripheral handled by the DMA. I have reviewed the STM32L0 reference manual, and LL libraries, as well as close examples. I am able to get Tx operation working properly. However, I cannot get Rx to work. ...

Dude by Associate III
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Does the STM32F205 have a VREFINT_CAL value ?

I have found the address of VREFINT_CAL for other processors. THE STM32F205 seems to have the vrefint adc channel on ADC1_IN17 but I can't find the address for the factory cal value.Thanks,Roger KellyROM Communications

RKell.6 by Associate
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Resolved! Basic GPIO_init() question

I am using for instance, ADC, UARTS, Timers, external interrupts, etc., all generated with cube. But I notice that cube doesn't always generate GPIO settings for certain pins. For instance, ADC1_IN4, when I select it using my board, an stm32f769i-d...

ADC Converter in STM32H745

I use the STM32H745 under the CubeIDE. I thought, when I configure my ADC to trigger the interrupt from a timer, the HAL_ADC_ConvCpltCallback() function will becalled automatically. The related ISR is called and I can read out the value. But the Call...

JPiet.3 by Associate II
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