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T B
T B
Associate III
March 28, 2022
Solved

Embedded Flash memory in STM32F401xD

  • March 28, 2022
  • 1 reply
  • 1269 views

The STM32F401xD has 384Kbytes FLASH and the STM32F401xE has 512Kbytes FLASH.

Is there a mistake in the reference manual?

3.3 Embedded Flash memory in STM32F401xB/C and STM32F401xD/E

According to the manual STM32F401xD/E have the same number of sectors. I would expect that only STM32F401xE has an additional sector 7.

0693W00000LvwJ9QAJ.png

This topic has been closed for replies.
Best answer by Peter BENSCH

We are sorry that this was somewhat misleadingly expressed in RM0368.

Table 5 should be read as:

  • STM32F401xD has the Flash sectors 0...6, i.e. total=384KB
  • STM32F401xE has the Flash sectors 0...7, i.e. total=512KB

Does it answer our question?

Regards

/Peter

1 reply

Peter BENSCH
Peter BENSCHBest answer
Technical Moderator
March 28, 2022

We are sorry that this was somewhat misleadingly expressed in RM0368.

Table 5 should be read as:

  • STM32F401xD has the Flash sectors 0...6, i.e. total=384KB
  • STM32F401xE has the Flash sectors 0...7, i.e. total=512KB

Does it answer our question?

Regards

/Peter

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