STM32 MCUs Products

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Access Null pointer - M4 vs M33

Hello,Code that was compiled for stm32F407 ( core M4) has an bug that accesses null pointer. The assembly code is as follows: STRB  r1, [r0, #0x01]Where r0=0 and r1=0.Although MCU accesses null pointer, it does not enter hard-fault.But, the same c...

ari_v2 by Senior
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  • 5 replies
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Resolved! STM32H7B3LIH6Q: CAN Mailboxes

Hello,I am using an STM32H7B3I-EVAL board with a STM32H7B3LIH6Q MCU. I am looking to use FDCAN to communicate with multiple nodes and someone recommended using mailboxes for messages sent/received. The documentation was unclear, so I wanted to ask if...

KMew by Senior III
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  • 9 replies
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Resolved! No data in Hyper terminal - STM32 Nucleo

Hi,I'm having trouble getting serial data out of my STM32 Nucleo board. I managed to get this working a few years ago but for some reason it's not working for me now.The board that I'm using is an NUCLEO-F413ZH and I'm using a USB-TTL serial cable (T...

TBlak by Associate II
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Why can't I read from more than one UART?

Hello community, I'm new to ST-MCUs, so maybe this question is very basic. I'm developing an application for a customer board with a STM32L051R6TX.For Communication we use USART1 und USART2, for logging I activated LPUART1.On USART1 und USART2 I get ...

SRAM Parity bit check, Hardfault

Hi everyone,I am trying to implement SRAM Parity bit check in my application. But when I am enabling it from option byte. and then it is going into Hardfault whenever I am going into debug mode before running application even it is going into .Hardfa...