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Contents of the unique device ID registers LOT_NUM

I'm using STM32L031E6Y6 for a high volume low cost product and I'm hoping to arrange it so that even if my firmware binary were to be stolen, it could only be used to produce a limited number of counterfeit products.I can cryptographically fix the fi...

MMora.6 by Associate II
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Resolved! STM32G0B1KBU7 (UFQFPN32) and clock for FDCAN peripheral

Hello,We are planning on replacing the F042 (TSSOP20) with the G0 cited in the question.At the moment the F042 use a HSE crystal of 8MHz in order to get a precise enough clock for the CAN peripheral.Parsing the datasheet of the G0B1KB, there is no wa...

Kraal by Senior III
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Experience with oddly silkscreen STM32s?

Got a new batch of micro's from a broker due to the chip crisis. They work and soldered down fine, memory matched, bootloader, etc. The concern about these MPU's is the silk screen and die marks are quite different.We have never seen die marks on the...

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RCyr.1 by Associate
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STM32H743ZI UART Tx with DMA doesn't want to turn on

Hi guys, its been a while and I hope everyone is well and safe.Using a STM32H743ZIReference Manuel I am having issues turning on the DMA1 stream associated to the UART4 Tx, in this case DMA1_Stream1. The DMA is setup as a One Shot mode (Normal Mode) ...

CLeo.1 by Senior II
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STM32f746G_DISCO board sdram configuration quesiton

Hi, In the STM32F746G_DISCO board, FMC_SDRAM example, how to decide these parameters? Which section does it specify from sdram MT48LC4M32B2B5 datasheet? SDRAM_Timing.LoadToActiveDelay   = 2; SDRAM_Timing.ExitSelfRefreshDelay = 6; SDRAM_Timing.SelfRe...

JChen.24 by Associate III
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How to set up the adc sampling time.

Hi,I am using ADC of STM32H743ZI which is configured as 16 bit, ADC clock =36.5MHz,Tsampling=1.5cycles in continuous conversion mode . I am using DMA technique to collect the data using a buffer size of 4096 in circular mode.The input is sine wave o...

GHARI.1 by Associate II
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