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...


How to operate EMMC at 1.8V while my MCU is at 3.3V?

Looking at the eMMC requirement, it looks like HS-200 mode is limited to 1.8V/1.2V I/O levels. (From STM32H7 MCU Reference manual) HS200 Bus Speed ModeThe HS200 mode offers:• CLK frequency up to 200MHz Data rate – up to 200MB/s• 4 or 8-bits bus width...

STM32F4 ADC Scan conversion is not working.

Posted on March 20, 2018 at 16:09Hi,i have an ADC where i want to read multiple channels sequentially and than use this data. I read them every second or so, so i want to start the reading manually each time. But when its started it should read all ...

How to set Serial Handflow values in STM32L475VG

Hi AllWe have a custom board based on STM32L475VG. Can anyone please assist that how to set the _serial_handflow values for the usart2 of this chipset.Reference link for serial handflow -->>

Resolved! STM32L4R9I-EVAL OctoSPI problem with 8bit access

Posted on May 19, 2018 at 22:56Hello,I am currently using the OctoSPI RAM on the STM32L4R9I-EVAL board (IS66WVH8M8BLL-100BLI (Hyperram)).At first sight everything looks as expected, but when I read and than write with 8 bit access, only every second...

s m by Associate III
  • 9 replies
  • 1 kudos

Analogue input 40mv out.

Hi I am using a stm32L433 100 pin with an external 2.5v reference chip connected to vref+. I have tried placing a voltage (tried different values) onto one of the a/d channel, but the result is 40mv low. I then programmed the D/A , which uses the ...

Error instantiating RTE components Error #542: API '::Board Support.LED:1.0.0(API)' required by component 'Keil.STM32F4-Discovery::Board Support:LED:2.0.0' is missing

I'm using Windows 10 and arm KEIL IDE along with STM32F407G-DISCOVERY board. I'm a very beginner and trying to do something with LED. I'm stuck at the initial stage itself. I have a problem with the LED API in the Board Support Package in the set...

RVarm by Associate
  • 3 replies
  • 0 kudos

Glass LCD STM32L0

Posted on April 13, 2016 at 23:25Hi,I facing problem with custom segment glass LCD interfacing which include 4 COM pin and 20 SEGMENT pin with 1/4 duty cycle and 1/3 bias (Refer Attachment).I tries to understanding HAL library provided on ST site ex...

bhavesh by Associate II
  • 1 replies
  • 0 kudos