Skip to main content
Associate
January 22, 2026
Solved

STM32L4Q5RGT6: How many SPI, QSPI connections are possible?

  • January 22, 2026
  • 3 replies
  • 384 views

Hi, in this STM32L4Q5RGT6 microcontroller of (LQFP48) package how many SPI, QSPI should be connected.

Best answer by KDJEM.1

Hello @abhishek_25;

 

Your are welcome. Thank you for your contribution in STCommunity.

Please click on Accept as Solution on the reply which solved your issue or answered your question.

 

Kaouthar

3 replies

KDJEM.1
Technical Moderator
January 22, 2026

Hello @abhishek_25 and welcome to the community;

 

According STM32L4Q5 datasheet; STM32L4Q5RGT6 supports 3 SPIs and maximum 2 OCTOSPIs (available only on multiplexed mode).

KDJEM1_0-1769067108471.png

 

KDJEM1_1-1769067129455.png

 

Thank you.

Kaouthar

 

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.
Associate
January 22, 2026

Hi Kaouthar

so can I use two spi and 1 qspi in LQFP48 package.

KDJEM.1
Technical Moderator
January 22, 2026

Hello,

 

Yes, you can.

 

Thank you.

Kaouthar

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.
Associate
January 22, 2026

Appreciate your prompt responses.

Thank you

KDJEM.1
KDJEM.1Best answer
Technical Moderator
January 22, 2026

Hello @abhishek_25;

 

Your are welcome. Thank you for your contribution in STCommunity.

Please click on Accept as Solution on the reply which solved your issue or answered your question.

 

Kaouthar

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.