STM32 MCUs Products

External EEPROM memory I2C 1Mbit with STM32F051

Hello,I am using an STM32F051 with an external EEPROM M24M01 memory of 1Mbit capacity (500 x 256bits)STMCubeMX has a proprietary library for use with external I2C EEPROM memory, but it is not suitable for the storage memory I am using.Would someone h...

How to synchronise two Nucleo-L152RE boards by SPI

Hello !​I​ am studing SPI. I was created two projects for my Nucleo boards, where one is master, and second is slave. I send data from master to slave and printing it to PuTTY.​A problem in synchronisation of two boards. Slave is receiving correct da...

Hi, I have a NOCLEO of STM32l433, how can I calculate CPU usage in the real time? do you have a HAL library or something else?

STM32L4 I2C Multi Slave Issue

Good DayI am having an issue with I2C and hope someone can point me in the right direction.I have an I2C master and two I2C slaves on a bus. The master sends a message to the slave and then reads back the response from the slave, which works.If I add...

STM32 I2C2 SDA improper data

I have already used I2C1 successfully on STM32F051. However, when I am trying to use the I2C2 on STM32F051R8T6, the problem is that the voltage level of the data received on SDA line seems to be chopped. Am I doing anything wrong with the initializat...

Nucleo F767ZI - COM port over Jlink

Hi,I've upgraded my on board debugger from ST-link to J-link.Everything works as expected and I'm able to burn the flash and debug.However, when I used on board ST-link I was also able to connect to the board with PUTTY and direct my stdin/stdout to ...

What is Maximum input frequency that we can give at external interrupt pin of STM32F756?

In a project, want to generate few control signals at a frequency of 5 - 10MHz. with proper synchronization. So i thought of connecting a dedicated crystal at external interrupt pin.Am using STM32F756. Is this controller capable enough to accept the ...

STM32F407 I2S Out of sync Issue .

Hi,We are using STM32F407 Discovery kit with CC2564. We are having two problems 1) When we are sending PCM Data to the CC2564 in the I2S Bus our data is out of sync with respect to the WS Signal. We are only sending data on the left channel and in ...

i need to init my lcd after warm or power up , stm32f103cb and stm 32f429zı, reset registers??

hello my ld doesnt init or damaged after warm reset soemetimes ,, someone told me you need to check your reset register if yu are in power up make your init lcd , if you are in warm reset or spftware reset you dont do thislcd init ?? can someone clea...