STM32 MCUs Products

STM32F427 SPI Enable control

HelloWe select the STM32F427 for new product and use the SPI slave function.​We want to control the SPI enable/disable for the data input control.(SPI_CR1 bit6 SPE) Can the STM32 SPI function receive the data immediately after SPI enabling?​Are there...

STM32H725 4 I2S streams

Hey Guys,I'm struggling to figure out how to stream sine waves at a constant frequency for 8 channels. Each channel has its own sine wave frequency. The issue I'm having is how to stream all these at the same time. I created an array for each sine wa...

RTC code always setting time/date

Using STM32CubeIDE with a STM32L4R5.The RTC generated code initializes the RTC then sets the time and date.Is there a setting that will inhibit setting the RTC time and date during initialization?

How to calculate RTC battery life time?

Hi everybody,STM32H7 RTC document says "The RTC consumes 225 nA at 1.2 V", does it mean 225nAh?if so, it a battery has 140mAh / 225 = 622,222h hours, which is around 71 years?Thank for help.

I'm using an stm32f429 2mb dual bank mcu and erasing a sector in flash bank2 from code running in bank1. This works ok, but interrupts in bank1 seem to stop while the erase is happening.

I'd have thought with read-while-write active, that interrupts should continue to run in bank1. For the stm32l devices, the documentation clearly states this will work. Can it also work for the stm32f429? Am I missing some configuration? Or will inte...

Can I connect NRST to PC0 as I want to exit the package without VIAs between balls. STM32L433 UFBGA 100 Package.

I want to avoid using VIAs between the balls in my design with the UFBGA 100 package as it increases the cost considerably and I am not comfortable with these small tolerances. This seems feasible if only the NRST pin is can be routed through PC0. Co...

Problem On using HAL_SPI_Receive() function

I'm new to ST-Micro controller, I m using STM32F429. I'm Receiving 8 bytes of data from SPI1 Port and transmitting the same data thru UART2 port to view in serial terminal. I m not supposed to view the HEX data. It is giving either ASCII or Unicode. ...

HardFault Handler not being executed

When a HardFault occurs, the program jump to HardFault_Handler function but it is not being executed.I'm usen STM32CubeIde, when I'm in debugging session, the arrow is stuck in the name of the function but nothing more happens: checkFault(); is not e...

L476 locking up, hard to reconnect the debugger afterwards

I'm working on an project with an L476 using SWD. Main project is basically up and running, but I'm having problems with the bootloader. The bootloader needs to be small as possible, so am avoiding the bloaty HAL and have set up the PLL. Seems OK in ...

DfuSe Demo command line version