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shan chen
Associate II
June 20, 2022
Question

Option Bytes

  • June 20, 2022
  • 4 replies
  • 1079 views

hello,

The option byte is configured with read and write protection, but I can program without erasing, why?

FLASH_OBR = 0x03FFFFFA

FLASH_WRPR = 0xFFFF0000

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4 replies

Bubbles
ST Employee
June 20, 2022

what is the product name?

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shan chen
shan chenAuthor
Associate II
June 21, 2022

hi

product name is stm32f103rct6, what could be causing this problem.

thanks

Bubbles
ST Employee
June 29, 2022

Hi, sorry I was on vacation.

It would appear as you only set the WRP to pages 32 and onwards, but not pages 0-31.

BR,

J

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Bubbles
ST Employee
June 29, 2022

Check PM0075 for complete guide

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