STM32 MCUs Products

For seat reservation: I already have the board. I also wrote an email to: tilen.majerle@st.com

How to read IC with SMBus interface using I2C?

I want to read registers of BQ40Z50 IC. Its using SMBus for tranceive data. But I need to speak with it using I2C. I use STM32F072 -> I2C2. It doesnt support SMBus-interface, but SMB is based on I2C.I havnt posibility to connect that IC to I2C1. We c...

Main website links broken (403 error)

Hi, From the st.com website/microcontrollers most of the links from the main page result in a "403 error" when clicking on the links to the various micros (See image below)This is an example link that is currently returning a 403 error. Any idea wha...

Flash program and erase operations and access latency

Hi,Master:​I have the following questions about flash introduction in the manual (DM00091010):​Question 1:The manual(3.2.2) says:"On the contrary, during a program/erase operation to the Flash memory, any attempt to read the Flash memory will stall t...

we are using STM32h743 to write a SD card but can not write more than 4GB. does any one have this issue

STM32G070RB, Maximum Alarm length

What is the maximum alarm length in the G070. I only see about 30days.I need 6 months.I guess I could implement one using the TAMP_BKPxR registers and compare the RTC DR , TR with the alarm values I have store in the TAMP regs. ( stripping out the W...

Do multiple HAL_RCCEx_PeriphCLKConfig() calls overwrite each other?

Hi i'm trying to configure two parts the SDMMC and the SAI. Both are initialized seperate from each other in my design, before i put them together, can i just run both configurations seperately?

STM32H743 Nucleo board SEGGER JLink issue

Hi There, I bought two STM32H743 Nucleo boards recently and did some tests on them. As usual, I first converted ST-Link v2 to JLink interface using the tool SEGGER provided. I have done this with F1, F4, and F7 series boards in order to use JLink RTT...