STM32 MCUs Products

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Body marking of STM32F7

Hi ST.Can help to advise on how to interpret on the body marking of the of the IC below? And what is the red marking on the chip itself? Are there any changes on manufacturing process regards to this part? STM32F723ZET7 Thanks.   

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STLearner by Associate III
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STM32H745 Ethernet is not working on my Custom Board

I maid  a custom board with ST32H745 mcu. The board is working fine but the ethernet part is not working. The Ethernet part is exactly the same  as the Nucleo H745ZI reference design. The code and Ethernet part working fine on Nucleo board. I checked...

Geo by Associate
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Understanding USB at Low Level from Host

I am Implementing RNDIS Over USB using the Stack provided by STM32 Team. The Data Received at the EP OUT Function is Correct for the First Few Bytes of Data, Post that the Data is Jumbled/Incorrect. Not Sure whats the Reasons though.I tried Verifying...

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STM32WL55JC intermittently fails to wake from shutdown

I have a STM32WL55JC part that spends a lot of time in shutdown mode. It's woken by an alarm on the internal RTC. However intermittently it fails to fully wake up.This is almost certainly a hardware fault - certain PCBs are more susceptible than othe...

Andy_ by Associate
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Resolved! Unable to Configure STM32H7B0VB for SDRAM

For my current Project, I decided to go with the STM32H7B0VBT6 from the STM32H7B0VB family. However the 1.4MB SRAM of the MCU was too little for me, so I've chosen to go with an external SDRAM (IS42S16400J-7TLI [64 MBit | 8 MB). Now I wanted to get t...

tlgw by Associate
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  • 2 replies
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USART not working when using HSI in STM32F769-Discovery

Hi, I am new on STM32 and I started a product prototype using STM32F769-Discovery. I developed all software using default clock configuration, which uses HSE. Now I want to change to HSI, but USART is not working ( Not true, only works when board res...

RCres.1 by Associate III
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  • 6 replies
  • 2 kudos