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...


Fail to read from Ambient Light Sensor OPT3001

Hello,I'm still able to read i2c sensors (such as the TMP75 temperature sensor, the FT6336 touch sensor, and the TCA6424 multiplexer).However it seems I'm not able to read data from OPT3001 ambient light sensor. The code is the followingstatic void ...

AMerc.4 by Senior
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Hi, I have a problem with the scatter file

In STM32F407, I get into trouble when I write the scatter file as follows. LR_IROM1 0x08000000 0x00020000 {  ; load region size_region ER_IROM1 0x08000000 0x00020000 { ; load address = execution address  *.o (RESET, +First)  *(InRoot$$Sections)  .ANY...

Hafsh.2 by Associate II
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Sprintf STM32L4 not work I see just 0

God moorning I trying to view the output of sprintf of float value on the terminal I/O using nucleo stm32L4.I am using IAR. but i see just 0.                char pippo_alb[20];                  sprintf(pippo_alb,"%g", 27);        In ''project options...

bfran.1 by Associate II
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Executing the main while loop every 60us

Dear ST Hello,I am implementing an infinite state machine on stm32F409 board and I have an issue.I Have a periodic pwm of 60us triggered. I Want to move all the code to the main while loop from the Interrupt service routine.My objective is to run ea...

Tsemr.1 by Associate II
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Resolved! All I want is a LED to blink...

Hello Gals/Guys. I recently purchased a NUCLEO-F439ZI after playing around with F0-DISCOVERY. As is tradition, I wanted to make a LED blink. I have failed miserably. I started in CubeMX to for the initial setup using all the defaults. Using the...

WCook.1 by Associate
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Resolved! AN4207 Single ended zero reference mode

Hello.Reffering to AN4207(Doc ID 023945 Rev 1) Single ended zero reference mode (Page 9):This mode injects an input common mode of half scale to the ADC thus maintaining the dynamic range the same as in differential mode (-32767 to +32767). In this m...

glinsky by Associate
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