STM32 MCUs Products

Strange post?

https://community.st.com/s/question/0D50X0000AaXy4xSQC/code-processing-time-takes-too-long-im-using-stm32l476jgyxSeems one post has been "hidden"? (11 vs 12)

Code processing time takes too long. I'm using STM32L476JGYx.

​I'm using SPI Communication in STM32L476JGYx. ​But the code processing time takes too long. ​[Sensor_IO_SPI_Read] function takes 2 micro sec. ​After that, I calculated the received raw data. But, it took more 30 micro sec. (32 micro sec)Below, the c...

reset stm32f412 fail

Hi friends . I have a new board developed with STM32F412Z 144 pins, I have a problem with Nreset of microcontroller . I tried to mount a simple reset circuit so as suggest by ST. a simple capacitors with pullup 4K7 and push button reset that c...

CAN is not functional after ACK error

We are using STM32L4A6VGTx MCU. In this for CAN we are receiving error multiple times (ACK error, EPV error, EWG error). Due to this we are not able to transmit and receive on CAN bus. Please let us know how to reset the errors, so that CAN will be f...

STM32H7 Secure User Software

I'm planning out a bootloader for the STM32H743zi. I'd like to store two identical images in banks 1 and 2 of flash, and my preference would be to check validity of an image (and copy over a bad image) inside the secure user software section of sys...

understanding the current consumption in run mode

I am trying to understand the current consumption in run mode of STM32L063x8 reading the data sheet (DocID025660 Rev 7).According to the cover page the current consumption of the MCU is 88uA/MHz in run mode and the maximal Frequency is 32MHz, therefo...

I am using STM32F4 discovery board RTC Alarms (A and B) through EXTI line interrupt . What does it means ?? 1. Can i attach Usart Rx pin to EXTI line interrupt 2. want to achieve standby rtc mode using rtc alam for 15min and for 1min