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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malloc or calloc allocation on stm32. I store some strings with calloc allocation and display that strings on the api text box. strings seems to be showing static on the api text box.Outputing strings are dynamic to be display on api text box.

Its the same strings showing on api text box. It does not change. But when I debug it I can see it changing and display on api (application interface) text box. Any idea about this?

cjaya.1 by Associate II
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Resolved! CAN Communication: Baud Rate Configuration

Hello,I have read the reference manual but the terminology used in the .ioc file and the reference manual do not align, so I am getting confused. I am using the STM32H7B3I-EVAL evaluation board, which uses a STM32H7B3LIH6Q MCU. According to the datas...

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KMew by Senior III
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STM32F303 HAL ISR being called twice

Hello!I am writing a program in which I am controlling a ST32F303 MCUs DAC1 and DAC2, thru a USB port, via LabView. The LabView part sends a data string containing the following "1,4095". The one implicates which DAC I am trying to control(in this ca...

BČern.1 by Associate
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Resolved! External Ram interfacing with stm32

As I have been developing a printer, therefore I need fast external ram to store all the data at once and then retrieve the data from the ram to the printer board. I have used the FIFO memory but that's not enough for the data. As I need a minimum 64...

SAMIN.1 by Associate III
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Resolved! Slow RTC

Hi all,I'm using STM32F429 on a custom board which is running a TFT LCD and RTC is running slow compared to the computer clock. 8MHz crystal is connected to HSE but currently, LSE is using an internal clock. My question is: Can I connect the external...

Ofaro.1 by Associate II
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How HAL I2C slave works?

I'm trying to do I2C Slave but I totally don't understand how to implement it using HAL.I have a good record of data in Slave.But but when I use HAL_I2C_Slave_Sequential_Transmit_IT I get a HAL_BUSY error.What should I do? I looked at the examples bu...