STM32 MCUs Products

I2C error

MCU:STM32F446RCT6Accessing an I2C device from the MCU may cause an I2C access error.It looks like the last bit of data is missing from the MCU.As a result, access that prevents the device from returning an ACK stops halfway.Attached image "I2C_OK_NG....

RTC Periodic Wakeup only ocurs once

I am using the STM32L433 RTC in periodic wakeup. i have initialised the rtc and it does interrupt once, but never interrupts again. i suspect the ISR rouitne is not clearing a flag some where. i have seen many comments relating to this but no definit...

FDCAN example on Nucleo H743ZI not working

Hi, So I am trying to use the example of "FDCAN_Classic_Frame_Networking" from the mentioned examples in other thread STM32Cube_FW_H7_V1.2.0\Projects\STM32H743I_EVAL\Examples\FDCAN\FDCAN_Classic_Frame_NetworkingBut I am always caught in an error when...

RM0440 Rev 2 Figure 266 Advanced-control timer block diagram missing CNT to Capture/Compare register arrows?

Minor issue - In the figure, Capture/Compare 5/6 registers should have "arrow" coming to them from "CNT Counter block".

Hello, I want to calculate the RAM requirement for one screen with some widgets and images.So how can this be done.

STM32L433 flash update executing from SRAM

Hi,I have a very confusing problem and looking for some outside thinking. I have a project designed around the STM32L433 a nice process that works very well. I am having a problem updating the flash with new firmware remotely. It is an iot type devic...

EMMC support for greater than 2 gb

We are using stm32f769 with 8 gb EMMC , from other forums we understood that there is no HAL support for emmc for more than 2 gb , we are hard coding the emmc block count to 0x773594 and emmc block size to 0x200 . These values are calcuated in accord...

Where can I find STM32303E-EVAL demonstration firmware source code?

Hi.I just bought the STM32303E-EVAL evaluation board. I want to inspect parts of it's demonstration firmware code. I only can find source code for the STM32303C-EVAL firmware (STSW-STM32124) , so where can I find the source code for the STM32303E-EVA...