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! NUCLEO-L476RG access SD card using SPI

Dear allI am trying to access my SD card using SPI, I tried the code below but I couldn't get it there any official tutorial about SD card of NUCLEO-L476RG?SD CARD Info: 32GB, SDHC, FAT format

XZhen.2 by Associate II
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Resolved! STM32 won't start without physical reset.

Hi, My mcu is STM32L476RGTx and I experiencing very strange behaviors to make my cpu start. This mcu is on pcb I designed myself.My boot0 pin is shorted to GNDAnd the reset pin pulled up to VCC.I can program my chip with my st link (updated to the la...

dodonny by Associate III
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How i can use action “Build Selected File(s)�?.

I have Atollic TrueSTUDIO Version: 9.3.0.I bind keys to “Build Selected File(s)�? like this.Ctrl + Shift + L two times for window Preferences.In item Keys, i select "Build Selected File(s)", set Binding = Ctrl + Alt + B and When: In Windows , apply.M...

Nucleo-L476RG - SD card not creating any .txt files or any files at all. Does anyone have an example code to let the sd card work ?

Hey guys,I am pretty new to stm32 (-> beginner) and I am trying to create a .txt file on my sd card. My pc is connected by usb to the Nucleo-L476RG board, which is connected to an onboard sd card.These are the connected pins:   /**SDMMC1 GPIO Configu...

TNguy.9 by Associate II
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Undefined reference to HAL_UART_Init

Anyone knows how to fix undefined reference to HAL_UART_Init,HAL_UART_receiveI included all necessary files for this but somehow it doesn't find any reference#include "stm32f4xx_hal.h" #include "stm32f4xx_hal_conf.h" #include "usb_device.h" #include ...

arduo by Senior
  • 11 replies
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I have a STM32L4xx series microcontroller. My goal is to use RTO in USART to issue a timeout, from the time a read was attempted (not only from the last stop bit). This is needed as its possible for nothing to be received. How do I acheive this using RTO?

I've setup USART to interrupt on a timeout using:CR2.RTOENCR1.RTOIEAnd configured the timeout using:RTOR.RTOIt works great, really nice feature. The RTO timeouts are always measured from the last stopbit/character received. However, I need to support...

Accessing outside flash area is working...

Tested to flash a 128k (STM32F105) device with a firmware (40k) that is compiled for 256k and it works. Even when the firmware reads and writes data (config) to address location 0x0083E000 which is way out of the 128k device memory area.Is there some...

HHaga.1 by Associate
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