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

Resolved! Is it possible two use a single crystal oscillator to clock two differnt stm MCUs on the same board?

Hello All,I was wondering if it is possible to clock another STM32 MCU (STMF031) using the single existing crystal oscillator that is currently clocking the main MCU (STM32F334). It could really save me space, power, cost and another clocking source ...

ma.alam9 by Associate III
  • 2080 Views
  • 4 replies
  • 0 kudos

Resolved! Using STM32 FLASH memory

I am learning on using the STM32L431CC FLASH memory to store data after the microcontroller loses power. From compiling through Keil, I get:Program Size: Code=34316 RO-data=1228 RW-data=364 ZI-data=1908From the above, Is it correct that only 35Kbytes...

RrW1 by Associate III
  • 3142 Views
  • 9 replies
  • 1 kudos

Write to STM32 internal flash fails

On my stm32g0 mcu there is no eeprom. So, I am using internal flash to save one byte user data to retain it between power cycles.I am doing it the following way,Add Data section in memory in the linker scriptMEMORY { ......  DATA (xrw) : ORIGIN =...

AR_26 by Associate II
  • 3205 Views
  • 9 replies
  • 0 kudos

STM32L412: No decoupling caps for VDDA if not used?

Hi there,I'm designing an application with an STM32L412K8 and I don't use ADC, OPAMP or COMP. The datasheet (DS12469) says:VDDA shall be 0 to 3.6 V if ADC, OPAMP, COMP is not used (general operating conditions table 21).When the functions supplied by...

AN..1 by Associate II
  • 934 Views
  • 2 replies
  • 0 kudos

Resolved! How to calculate frequency of input signal?

Hi,We are using STM32F746ZET6.we have to calculate input frequency on 5 pins from 40khz to 0.01hz.currently we are using 50 micro seconds timer and at every timer interrupt we are processing frequency calculation based on the polling of the pin stat...

RRajb.1 by Associate II
  • 3089 Views
  • 5 replies
  • 0 kudos

Problem managing streamed data with struct pointers, some of the streamed data seems to be stored, some not with an STM32F401VE

Hi all, I've recently been teached about how to manage streamed data in this case for managing commands, then my code is like the following explanation: I've programmed the uart2 to receive the streamed data byte to byte and I've been storing it in a...

0693W000006EOpFQAW.png 0693W000006EOrLQAW.png
VRami.1 by Associate III
  • 451 Views
  • 0 replies
  • 0 kudos

Resolved! List of MCUs with discreet VBAT pins?

How do I obtain one? Cube isn't helpful -- this isn't a filter parameter. I need an MCU with built-in backup battery domain for the RTC. I don't want to build anything external and the design must not be capable of powering up the core from the batte...