STM32 MCUs Security

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Accessing Secure Area does not create secure fault

I am using TFM-SBSFU example provided in STM32L5.Secure Area 1 which is already configured as below.When I am trying to read 0x8012000 from non-secure application, I am getting secure fault. I want to add one Partition 0x807d000 of 4KB into secure a...

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PYada.1 by Associate III
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STM32L4 readout protection RDP

Using STM32L452CC and STM32CubeProgrammer API v2.12.0 Windows 64-bits.Firstly, I'm setting the readout protection to its middle level (RDP = BB in the programmer) and then program the chip successfully. Then, letting the chip power cycle. Now reading...

IP.2 by Associate II
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  • 1 replies
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STM32WB55 - Change RDP level without POR

Hi,I am currently trying to change RDP level via firmware without a power reset (POR) on a NUCLEO-WB55RG (STM32WB55). I am facing the problem that after changing the RDP level a power reset is necessary. Without a power reset the device seems to get ...

sstel.1 by Associate II
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  • 3 replies
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STM32H750IB How set the RDP Level ?

When I set the RDP Level 1 the Controller stops working.I must unpower the Controller and power it agin, NRST didn't work.I use the code:       HAL_FLASH_Unlock();       HAL_FLASH_OB_Unlock();       OBIni.OptionType = OPTIONBYTE_RDP;       OBIni.RDPL...

JFieb.1 by Associate
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  • 1 replies
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How to repartition SRAM while using trust zone

I am using the SBSFU example of "NUCLEO-L552ZE-Q" Projects.I have added my application code to the NON-Secure application project.When I see "Region_defs.h", in which nonsecure (NS_TOTAL_RAM_SIZE ) size is 192 KB whereas secure (S_TOTAL_RAM_SIZE)size...

PYada.1 by Associate III
  • 608 Views
  • 2 replies
  • 0 kudos