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...

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GDB became very slow in CoIde

Posted on July 15, 2014 at 12:03 Hi everyone, I'm working on a STM32F427 with CoIde on Windows Vista for a long time now without any issue. Since yesterday my debugger became very slow, very very slow. when i hit the ''pause'' button it takes approx...

benoit2 by Associate II
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DMA2 problems: NDTR not zero

Posted on July 09, 2014 at 18:40I'm having some problems with DMA transfers apparently stalling on our STM32F405ZGT6 board. The problem seems to only happen when I have multiple streams running. So, I have Stream3 using SDIO, with 32 bit wide access...

Problem with I2C

Posted on July 15, 2014 at 13:46Hello my name is Dani, I'm starting with bus I2C and the microcontroler stm32f103rd, I have made the next code, it doesn't work. I would like to control a light sensor. The program stops in:   while(I2C_GetFlagStatus...

dnm_es by Associate
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STM32L151 problem with SPI SCK signal

Posted on July 15, 2014 at 10:33Hi I am using thew micro STM32L151x8  and I am implementing the SPI driver. I want to use the SPI in master mode and only in transmiting mode. I am using for this purpose only 3 lines: NSS, MOSI and SCK. My first pro...

ecatala by Associate II
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STM32F3 Discovery power circuit heating up

Posted on July 14, 2014 at 00:01I was testing my STM32F3Discovery with an external 5V power supply (generic 5V 2A wall plug), and after about 30 seconds it stopped operating (LED flashing demo stopped flashing), and soon after I smelled something bu...

Memory test bench (STM32F101VD)

Posted on July 15, 2014 at 09:06Hi everyone, I'm new here, and i don't find answer to my question : Can i do a functional test of the whole memory of a STM32F101VD chip ? with JTAG, SWD or an other way? if possible with no modification of the memor...

Dual Mode Bluetooth Stack options for STM32

Posted on July 14, 2014 at 14:35Hi All,I am new to MCu development and looking for dual mode bluetooth stack options that have been successfully ported to STM32 or any other STM MCUs.I am looking for following std profile support :1) BT : HFP (HF ro...

aashish by Associate
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