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Environment: STM32L4 + 32.768K LSEFunction: Wake up and work once every hour, then enter stop2 mode. During the one-hour sleep, wake up every ten minutes to feed the external watchdog.Problem: The device resets directly when waking up every ten minut...
I'm using the LCD of the STM32U073K8, but the program failed to initialize the LCD. After checking, I found that the STM32U073K8 doesn't have the VLCD pin. Is the STM32U073K8 not compatible with the LCD peripheral? Or are there other settings?
Hi,I have been trying to communicate with an SPI peripheral (NOR Flash). I want to use SPI in half duplex mode. The problem is that as soon as enable the SPI peripheral I see SPI constantly sending OxFF over MOSI even though I have not written anythi...
I have ordered NUCLEO-G491R to test STANDBY mode power consumption. The power consumption measurements are taken via the PPK2 from Nordic.https://www.nordicsemi.com/Products/Development-hardware/Power-Profiler-Kit-2The steps:1. Take STM32CubeMX examp...
Hello, rm0456 in chapter 33.4.8. talks about "Software procedure to calibrate the ADC" and "Extended calibration mode" on some products. It is not clear, if "Software procedure to calibrate the ADC" is enough for products with "Extended calibration m...
Hello,I'm looking for some advice on how to progress, beginning from a fairly novice position, with a secure bootloader. I'm beginning a project where at least a secure update process (where the existing application does the update) is desired. Ide...
Hello,I am designing a board with an STM32H755ZIT6 and want to verify whether my power architecture is safe.Power architecture:Battery inputTwo buck converters:3.3 V buck → MCU VDD5 V buck → LDO + voltage reference → VDDA and VREF+Operating case:For ...
Hello everyone!That works:int main(void) { ... init_SPI1(); for(;;) SPI1_Send(); }And that doesn't:void TIM2_IRQHandler(void) { SPI1_Send(); TIM2->SR &= ~TIM_SR_UIF; // reset UIF bit in the status register of the timer }Why?Thank you ve...
HelloIs there a book about Cortex M7 like Yiu J. The Definitive Guide to ARM Cortex M3 and Cortex M4 Processors ?
Hello I'm trying read sector numer 0 from SD card. I use 4-bit mode for sd card reading. My MCU is on Nucleo development board. Card is correctly initialized but when I'm trying read sector I get zeros in buffer and maybe 10 random not-zero bytes. Wh...
