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Senior II
November 28, 2025
Solved

RM0090 rev 21 CRYP_K2LR / CRYP_K2RR registers are missing in table 116?

  • November 28, 2025
  • 2 replies
  • 167 views

Hello,

I expect this to be flagged before but couldnt find during search.

Is Table 116 for the stm32f43xx on page 768 missing registers for CRYP_K2LR / CRYP_K2RR at offset 0x30?

TIA

Best answer by mƎALLEm

Hello @###### 

This is a feedback from our internal team:

The CRYP_K2LR and CRYP_K2RR registers are indeed present in the CRYP register map for the STM32F43xxx series. They are located at offsets 0x30 and 0x34 respectively, between the CRYP_K0RR (0x24) and CRYP_K3LR (0x38) registers.
In the provided section of Table 116, the intermediate lines between 0x24 and 0x38 are represented by “...”, which means that some registers, including CRYP_K2LR, CRYP_K2RR, as well as CRYP_K1LR and CRYP_K1RR, are included but not explicitly shown in this excerpt.

Therefore, these registers are well documented and are an integral part of the CRYP key registers. Moreover, this description is consistent with other reference manuals such as RM0455 for the STM32H7 series.

2 replies

mƎALLEm
Technical Moderator
November 28, 2025

Hello @###### and thank you for your contribution.

I will raise it internally and I will get back to you for any feedback. Internal ticket number for follow-up: 222783.

Thank you

"To give better visibility on the answered topics, please click on ""Accept as Solution"" on the reply which solved your issue or answered your question."
mƎALLEm
mƎALLEmBest answer
Technical Moderator
December 3, 2025

Hello @###### 

This is a feedback from our internal team:

The CRYP_K2LR and CRYP_K2RR registers are indeed present in the CRYP register map for the STM32F43xxx series. They are located at offsets 0x30 and 0x34 respectively, between the CRYP_K0RR (0x24) and CRYP_K3LR (0x38) registers.
In the provided section of Table 116, the intermediate lines between 0x24 and 0x38 are represented by “...”, which means that some registers, including CRYP_K2LR, CRYP_K2RR, as well as CRYP_K1LR and CRYP_K1RR, are included but not explicitly shown in this excerpt.

Therefore, these registers are well documented and are an integral part of the CRYP key registers. Moreover, this description is consistent with other reference manuals such as RM0455 for the STM32H7 series.

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