STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...


Resolved! Timer initialisation to *not* set the ARPE bit ?

I would like to know what is the correct way to disable a timer’s ARR preload function using the HAL library ? And once that’s done, does the ARPE bit stay low for the whole runtime, or does it have to be cleared again regularly or after specific eve...

pr by Associate III
  • 4 replies
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Resolved! Differential signal test via boundary scan test

I want to test differential signal on STM32F407VG discovery board using boundary scan testing. I know that this soc supports boundary scan testing but is it possible to test/measure differential signal also via same way?

Rsrma.1 by Associate III
  • 9 replies
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How to use SPI + DMA with software CS?

Hi All, I am trying to use SPI+DMA in stm32f401 nucleo 64. SPI + DMA is working successfully on both transmit and receive data. I configured spi + dma in software cs since I have multiple slaves, but that means I have to pull the gpio up and down for...

jb by Associate II
  • 5 replies
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UART NOT Transmit if there is a delay in while loop

Hi, I generated the code through CUBEMAX, using USART3 with DMA and trying to send couple of bytes by call HAL_UART_Transmit_DMA in main while(1) loop. If I add the delay after a transmission even a 1ms it stop transmitting but if I remove the delay ...

ARehm by Associate III
  • 2 replies
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Trying to write data over I2C to an STM32F103C6 working as a slave in IT mode only gives a hard fault and the data is not stored in the array

***Edited to show the probably all the code involved without including the HAL libraries***Hi all, I'm using HAL libraries to code an STM32F103C6 as a slave and I'm using HAL_I2C_Slave_Receive_IT(), debugging I can see that the slave recognize its ad...

VRami.1 by Associate III
  • 3 replies
  • 0 kudos