STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Unwanted flash erase issue

Hi, I am using STM32L072CZT6 for my project. The device operates in two stages: It wakes up at scheduled intervals, save the number of interrupts received to flash , and returns to standby mode. During standby, interrupts wake the device, the count i...

Deepu joy by Associate II
  • 1265 Views
  • 3 replies
  • 1 kudos

STM32 U5 Hard Fault when using SRAM

Hello.I'm trying to use STM32 U5A5' SRAM (SRAM1,2,3,5) and I'm encountering some very weird behavior.When I use the entire aforementioned sram blocks, my mcu hard faults.uint8_t __attribute__((section(".TEST_Section"))) data[1024*1024*2];int main(voi...

PMera1_0-1702386684458.png PMera1_1-1702386785300.png
PMera.1 by Associate III
  • 1508 Views
  • 1 replies
  • 0 kudos

Resolved! STM32H7 without SMPS - VCAP / LDO ?

Heyho,about VCAP / LDO connection in STM32H7 series without SMPS, for example in STM32H733ZGT6 (LQFP-144), when using the internal LDO for core supply.As far as I understand, the VCAP pins are for the connecting buffering capacitors to the internal L...

LCE by Principal II
  • 3696 Views
  • 5 replies
  • 3 kudos

Resolved! Mems1 integration

Hi,Im using STM32L031F6P6 mcu for one of my project. Im also using IIS2MDCTR & LSM6DSV16BTR sensor.I need to find heading regarding that i have few doubts.1.Will STM32L031F6 mcu support mems1 package?if no could you suggest a mcu which support the sa...

STM32 GPIO SINK SOURCE CURRENTS

USING MCU - STM32H743XIH6As per datasheet "STM32H743XIH6_Datasheet" page 139 it is mentioned that GPIO can sink/source 8 or 20 mA.When MCU will be going to source 8 mA and when it will source 20 mA?Is there any current control configuration inside MC...

Ab1_0-1702972191661.png Ab1_1-1702973390851.png
Ab1 by Associate II
  • 2301 Views
  • 4 replies
  • 2 kudos

RS485 and Modbus

hi i am saishiva i am working on the STM board from 10 days but i am not getting the clarity about the how to activate the RS485 using the modbus protocol can you pleaae help on that  

saishiva by Associate
  • 759 Views
  • 0 replies
  • 0 kudos

How to fix error return by SDMMC_GetCmdResp1

Dear Sir,I have interfaced SDHC card 32GB of Sandisk with STM32L452RET6 microcontroller SDMMC1 peripheral in mode - SD 4 bit wide bus. In my device SD card as a Datalogger.Issue - When my device is working mean data is logging (Data writing in SD car...

KPras.2 by Associate III
  • 1367 Views
  • 3 replies
  • 0 kudos

Resolved! MCU at 1V8 - a need for UART level shifters?

I saw on NUCLEO-U5A5 schematics - there is a level shifter for signal T_VCP_TX:a bit obvious: if MCU jumper is set to run on 1V8 VDD - an external UART receiver (e.g. CP2102N) would not get anymore correct UART_TX signals (yes, it does not anymore wi...

LS_1V8_UART.png
tjaekel by Lead
  • 2389 Views
  • 2 replies
  • 3 kudos

Resolved! STM32C0 SO8N bootloader: I2C and SWD

Hello,which interfaces does a virgin STM32C0 in SO8N offer on the first boot for programming? AN2606 says USART1 and I2C1. In other cases, AN2606 adds a note when SWD does not work, but no such note is there for STM32C0. So, I assume SWD is supported...

lukasl by Associate
  • 1481 Views
  • 2 replies
  • 3 kudos