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...


USART2 RXNE not trigger if Rx and Tx happen same time

Posted on January 28, 2016 at 08:13I am using the stm32f411 ,the USART2 work normally when the Rx and Tx not happen on the same time, if the Rx and Tx happen on the same time then rxne will not trigger. But if the next received byte come it will tri...

fema by Associate III
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Problem of ADC with DMA

Posted on January 28, 2016 at 15:05 Hello, I have a STM32F429I Discovery and I want to sample a signal from a hydrophone of 60-90 KHz before performing an FFT. I work on Linux with GCC-ARM without EDI. (


Posted on January 28, 2016 at 16:07I'm trying to use the STM32F302K8 32-pin microcontroller and wish to use both JTAG and SPI communication with the same chip. The JTAG connections occupy pins PA13-15 and PB3-4, and there are two options for the SPI...

ifarah by Associate
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Clock configuration

Posted on January 28, 2016 at 09:35Hi, i am designing a board based on f329. The problem is,   i have a red mark on the clock configuration on HSI(16MHZ) and also 48MHZ clocks. when i am configuration with HSI(16MHZ). Could anyone tell me why ?i hav...

arunease by Associate II
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ST-Link + Level 1 read protection = bricked?

Posted on January 28, 2016 at 14:18Using IAR EWARM with ST-Link.I just set the protection level to Level 1 and now I cannot get in again to change the RDPRT  bits back to Level 0Any suggestions? #stm32f303x-read-protection

gbigden by Associate III
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Cannot write to Memory on STM32F071V8

Posted on January 28, 2016 at 12:28Hi, I get the following error when trying to write to memory with the latest STLink Utility: 12:09:09 : ST-LINK SN : 48FF6E064967535727520587 12:09:09 : ST-LINK Firmware version : V2J25S4 12:09:09 : Connected via ...

STM32F042 USB VCP Example

Posted on September 18, 2014 at 17:21Hello everyone,I'm trying to use the USB STM32F042, used as a base example STM32F072 USB-discovery, but the windows me answer the following error: This device can not start (code 10).I wonder if anyone has any ex...

caio by Associate
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Very dangerous bug with dead time insertion

Posted on September 21, 2015 at 11:59Hello,i have a very dangerous bug in CubeMx with HRTIM module (STM32F334C8). Sometimes the dead times are not inserted on the outputs. The configuration is done correctly but in the source file hrtim.c only the d...

HAL based ADC-DMA makes only one transaction

Posted on January 26, 2016 at 20:03 Hello. I try to make a simple non-continuous ADC-DMA transaction of 10 measurements. I get only one sample in my array. I don't use interrupts, just wait for DMA completion. Could you tell, what I am doing wrong...

baranovus by Associate III
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Bug report: USB CDC Template and CubeMX code generation

Posted on December 22, 2015 at 10:18Hi, I just created a new project for a STM32F103 MCU using CubeMX 4.12.0 and the firmware package 1.2.0 for the F1 family and came across two little issues. In Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src...

work by Associate II
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