STM32 MCUs products

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Resolved! Current consumption figures between L5 and U5 family

Dear Community,When comparing STM32L5x2 line with STM32U5x9 line I had the surprise to read in product selector's view:Supply Current Run Mode (per MHz) typical:- For STM32L5x2:    96- For STM32U5x9:   26Are these numbers correct?If yes, what can exp...

apadom by Associate
  • 3 replies
  • 1 kudos

Resolved! Missing info in reference manual

In the STM32L562 reference manual (RM0438), v7.0, the section 11.6.13 "GPIO register map" is missing the registers MODER and PUPDR (which are documented in the preceding sections).

SZano by Associate III
  • 1 replies
  • 0 kudos

Resolved! CHOOSE MCU

Hi.I work on BMS. I want a master-slave topology. I want to use 300 slave cards and 1 master card. This BMS is for automotive. I check ST MCU. I guess, The card should be 10-bit I2C. Because I want 300 Slave cards. So, Can you Help me this subject? W...

bngstskn by Associate II
  • 9 replies
  • 7 kudos

Resolved! serial.peek() and serial.flush() equivalent in STM32

I'm trying to port a UART driver from aurdino to STM32. Able to relate all interfaces for aurdino vs STM32 while can't able to map ones for the followingserial.peek()serial.flush()Does HAL have an direct interface as peek() to get the next byte of in...

darthana by Associate
  • 5 replies
  • 0 kudos

VTOR_S when TrustZone is disabled

Using the latest STM32CubeIDE, STM32CubeH5 and NUCLEO-H563ZI with TrustZone disabled.I put a breakpoint at the first instruction in startup in Reset_Handler. The debugger shows in SFRs, SCB->VTOR_S is 0x8000000 (which is my NSBOOTADD) and SCB->VTOR_N...

mete by Associate III
  • 0 replies
  • 0 kudos

STM32L552 I2S DMA and CDC continuous transfer problem

I have an ADC connected to my MCU using I2S. MCU configured in I2S master receive mode. MCU supplying the ADC with 12MHZ MCLK. MCU sampling freq is 48 KHZ(Actual is 46.875 KHZ), Number of slots are 4, Data size is 16bits and I2S standard protocol. Us...

Dhanaraj by Associate
  • 3 replies
  • 0 kudos

CODEC with STM32

Hello, I would like to know how to retrieve the acquisition values ​​: INPUT -> ADC -> SAI -> µP like the diagram below : I have a program that works for this : DMA -> SAI -> DAC But this is not the way I would have wanted to make my CODEC work. Do ...

DYann.1 by Associate III
  • 27 replies
  • 0 kudos