STM32 MCUs Products

Understanding CAN external loopback mode

Hello,STM32H7 contains example for  CAN external loopback mode.In the readme there is no mention for the need of wiring a physical loopback between tx and rx pins.Is it required in the external loopback mode ?Thanks

Is there an interaction between SPI1 and TIMER3 on the STM32F103C8T6?

I am encountering a problem where I am using TIMER3 to generate a periodic interrupt, however, if I transact data over the SPI1 peripheral, the periodic interrupts stop to TIMER3. I am not trying to use the interrupt on the TIMER3 external pins, as ...

Can I use two 16 bit sdram instead of 32 bit sdram?

Can I use two 16 bit sdram instead of 32 bit sdram?

programming the flash through SD card

Hi,I want to flash the hex file in SD card into the FLASH of the STM32H753VI. can anybody help?I have tried the sample program given in in-application programming section but no luck. the program builds and runs, but it gives no results.

How to use the Vbat

I am using stm32l431cbt6.when I use the Vbat(3.0V) and close the vdd,I Measure the current is 0.4ma.I see datasheet say i = 200na.I wonder if any software configuration is missing

PA1-6 do not HIGH/LOW

i'm getting this error Error: address + size wrapped (0xffffffff, 0x00000008) i was using memory protection with option bytes(software was st link utiity) after that this is coming. before that the hex was working OK. please resolve my problem

some programs are working ok

STM32F4: LL example/library for I2C

Does anyone know of a working I2C LL library or example? I can find old examples using Std Peripheral libraries (and I know I can try using the SPL_to_LL utility), and recent HAL examples, but nothing based on LL, which is my preferred way to use the...