STM32 MCUs Products

How can i get an interrupt when a SPI transaction is over(CS goes back high) when using the HARDWARE CS in SLAVE mode? I was trying to attach a function to to it as a GPIO but as i configure the pin to AF i cant do this...

Hard fault handler.

I am facing hard fault handler isssue.I was wondering if someone will help me to resolve it.I am unable to find the cause.I am using STM32F4 series controller and while free run it is going to hard fault handler.I checked the corresponding register a...

NUCLEO-F207ZG (STM32F207ZGT6U) CAN Tx Timeout bugs?

I've seen this in other forum questions and it seems to always be fixed on the Cube side of things, does anyone have experience in this? I've migrated working code from an old STM3210C-Eval and i've also tried starting fresh. I get no signals whats...

waking from stop mode

I am using stop mode for saving power. My board has dcmi interface for camera ov2640. When I wake up from stop the camera doesn't work. What is the proper way for waking up from STOP mode? Following is the code I am using for STOP modevoid stopMode(v...

why receiving shifted data in SPI communication

Hi all,​I want to make communicate two nucleo l432kc (slaves) with a raspberry pi (master) through the SPI protocol. On the raspberry I'm using the spidev API, while on the nucleo I'm using the HAL SPI interface with DMA. ​The only configuration that...

STM32L431V LQFP100 problem with SPI2 - MISO

STM32L431V LQFP100SN : 54FF6B067266535348440967Firmware : V2J27S6I use the periphery SPI2 ( CLK enabled ), the periphery is connected PIN: PD_1 (CLK) - config is AF_5, LowSpeed, MODE_AF_PP, NOPULLPD_4 (MOSI) - config is AF_5, LowSpeed, MODE_AF_PP...

USART HAL Tx Mirror on Rx

Hi!I have a hardware setup with an RS485 in which all Tx Data is mirrored to Rx (no delay).This simple example should echo all incoming chars coming from Rx back to TxIf i do not use the delay in the callback before flushing DR the hardware mirrored ...

STM32F429-Disco sdram use

Hi,I want to use the sdram as extention of the RAM of the STM32F429 Disco board. What do I have to do to use the Sdram?Is it correct that it has to be initilized and then set in the linker file?->Is this the correct procedure to Initilize the sdram? ...

STM32F205 revision V has some weak GPIO port from ESD.

I use STM32F205ZGT6 for our product.  In our design, PH10 and PH11 is connected external module. When external connected, the port get physical damage in only revision V. I checked that the other revision such as 1 , 2 and 3 don't have same issue.I s...