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SZano
Associate III
August 29, 2024
Solved

STM32U073 flash wait states - wrong documentation

  • August 29, 2024
  • 2 replies
  • 967 views

The reference manual RM0503 rev2 has inconsistent information about the flash wait states.
Table 9 in §3.3.4 shows three options: 0WS, 1WS, 2WS (and, by the way, it says that all three of them correspond to "1 CPU cycle", which seems wrong).
Instead, §3.7.1 (description of the FLASH_ACR register) indicates only two options for the LATENCY[2:0] field: 000 zero wait states, 001 one wait state.

Which is correct?

Best answer by mƎALLEm

Hello @SZano ,

Getting back to you regarding this issue in the documentation after getting the internal feedback.

There are three options: 0WS, 1WS, 2WS.

So, two points to be fixed:

- Section 3.7.1 FLASH access control register (FLASH_ACR) will be fixed to show the value of 2WS.

- Table 9:  CPU cycle numbers.

 

 

2 replies

mƎALLEm
Technical Moderator
August 29, 2024

Hello @SZano ,

Will check internally and get back to you.

Internal ticket number 189757 not accessible by the community users.

To give better visibility on the answered topics, please click "Best answer" on the reply which solved your issue or answered your question.
mƎALLEm
mƎALLEmBest answer
Technical Moderator
August 30, 2024

Hello @SZano ,

Getting back to you regarding this issue in the documentation after getting the internal feedback.

There are three options: 0WS, 1WS, 2WS.

So, two points to be fixed:

- Section 3.7.1 FLASH access control register (FLASH_ACR) will be fixed to show the value of 2WS.

- Table 9:  CPU cycle numbers.

 

 

To give better visibility on the answered topics, please click "Best answer" on the reply which solved your issue or answered your question.