About Shaffi

Shaffi · 2024-10-22

Hello ST,I am using stm32u575 board for secure flash access, When TZEN is enabled i am able read and write to Secure flash(0x0C00 8000), but unable to read/write to non secure area(0x08100 0000). Then I used User Option BytesSECWM1_PSTRT/SECWM1_PEND ...

Shaffi · 2024-10-15

Hello,I am working STM32u575 Nucleo board. I want to use secure flash to store secure data and to use it I need to enable TrusZone. Is there a way we can program option bytes with TZEN =1 without using STM32programmer?Regards,Shafi

Shaffi · 2024-10-08

I am working on STM32U575 to write and read from Secure flash. I referred STM32Cube_FW_U5_V1.4.0\Projects\NUCLEO-U575ZI-Q\Examples\FLASH\FLASH_EraseProgram_TrustZone\but I was facing following issueCan you please help me resolving it. Do we have an...

Shaffi · 2024-11-11

Hello @Jocelyn RICARD ,Thank you for the response. In my case PGSERR is set when STRT is set by secure access, To solve this I need to jump into non secure memory from secure memory. Can you please help me with code snippet to jump from secure to non...

Shaffi · 2024-11-04

Hello @Jocelyn RICARD ,Thanks for the response.To configure security attributes i tried to add partition_stm32u575xx.h in my project which sets page 0 to page 7 as non secure and page 8 - page 9 as secure, I am able to write and read from secure flas...

Shaffi · 2024-10-23

I am know able to edit SECWM1_PSTRT/SECWM1_PEND after TZEN is set and the board is power cycled, but still unable to access the non secure area(0x08100 0000). @Jocelyn RICARD Regards,Shafi

Shaffi · 2024-10-16

Hi Jocelyn,I am following the procedure to program option byte described in the rm0456-stm32u5-series-armbased-32bit-mcus-stmicroelectronics.pdf section 7.4.2, after TZEN bit is set to 1 and the OBL_LAUNCH bit is set in FLASH_NSCR the CPU hangs from...

Shaffi · 2024-10-14

Hello STea,I am now able to program my device, I resolved it by programming the device using UART mode on STM32programmer by setting BOOT0 pin. I had another question Is there a way to Enable TZEN in the code without using STM32programmer. Regards,S...

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Unable to program User Option Bytes SECWM1_PSTRT/SECWM1_PEND

Enable TrustZone without using STM32Programmer

Need help on writing into secure flash in STM32U575

Re: Unable to program User Option Bytes SECWM1_PSTRT/SECWM1_PEND

Re: Unable to program User Option Bytes SECWM1_PSTRT/SECWM1_PEND

Re: Unable to program User Option Bytes SECWM1_PSTRT/SECWM1_PEND

Re: Enable TrustZone without using STM32Programmer

Re: Need help on writing into secure flash in STM32U575