STM32 MCUs Products

SIM900A GSM module with stm32f1

I'm trying to send message to sim900A via the serial port. The AT commands work but the GSM replies with some unwanted text (Previously sent text ) then finally OK. The GSM is supposed to reply what I typed with some prompts and finally OK. The pict...

What are the correct values for embedded flash wait state setting and programming delays for VOS0 range and AXI clock 240MHz?

Hi,I'm using a STM32H745 and looking at RM0399 rev 2. In table 15 for the flash memory timings there are no values for VOS0 range and the maximum frequency in the table is 225MHz. Going by other sections of the document the maximum Faclk is 240MHz.I ...

How to start on 32-bit chips?

Hi, there: I have been a professional embedded programmer - mostly 8051 and 8-bit PICs. Things have not been going well professionally and personally there so I am looking to expand into the growing market of 32-bit chips. However, I found those chip...

Any serial gdb support ?

Hello,Does st provide any gdb stub solution in the source files of stm32cube ?Thanks,ranran

Unexpected timers beahavior with DMA

Hello everyone,I'm having really hard times using timers in my project. I am using STM32F401RE with CubeMX and AC6 as workbench. Let's go in order: i have some ADC conversions to perform that are triggered by timer firing, then the converted values a...

Multiple I2C Slave Addresses (more than 2)

Is there a way to handle a lot of discrete I2C slave addresses; I can't cover all the different addresses I need with the standard two addresses + masks without covering unwanted ones that I don't want to be ACK'd.I'm wondering if there's a way the c...

STM32F407G-DISC1: strange clock problem

Hi,We are using STM32F407G-DISC1 discovery kit with an external debugger/programmer. CN3 jumpers are off, SB11 soldier bridge is disconnected because we are using the NRST pin for JTAG. We've a simple led blinking user application based on system tim...

Could you give me the LTspice model of STM32F303's internal OpAmp?

Detect Memory leak check on stm32f7

Hi,I am working on stm32f779 eval kit. How can I detect memory leaks on stm32? Can anyone please suggest ways.