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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Using TIM1 for SPI CLK

Posted on November 05, 2014 at 20:30I need to have 2xSPI synchronized and also synchronized with some timers.Unusual use of TIM1. (STM32F401VC, discovery board)I use TIM1 in repeat and one pulse mode to generate 8 CLK for 1 byte of SPII have a worki...

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stegu by Associate
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STM Studio and elf file from GNU ARM eabi 4.8

Posted on November 01, 2014 at 12:03Hi all, I have issue with importing variables in to STM Studio 3.3. Import shows me only few variables (usually only uint8_t type), rest variables of different types (uint16_t, uint32_t ..) are not in list. Elf fi...

FPU comsums seeable extra power?

Posted on November 05, 2014 at 12:11Hi  everyone! I have a project where necessary to use FPU to proccess my AD data. If I enable the FPU in the uVision Keil, then I can see an extra noise on my power line and I get wrong values, but when I disable ...

Attila by Associate II
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underclocking STM32F030

Posted on November 04, 2014 at 13:17I have problem when underclocking STM32F030. When I setup to RCC->CFGR2   higher value than RCC_CFGR2_PREDIV1_DIV4 (for example DIV5 - DIV16) then PLL is never ready ( RCC_CR_PLLRDY ) With value <= RCC_CFGR2_PRE...

STM32F072 high power consumption in lp modes

Posted on November 05, 2014 at 14:27Hi guys, i have some problems with power consumption, i will try to describe my situation: MCU is assembed od PCB just with power supply and SWD interface, any IO is connected. Board is powered from lab. power sup...

najge by Associate
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Displaying Bitmaps with STemWIN

Posted on October 08, 2014 at 00:01Hey,Im having a problem getting bitmaps to draw with the following functions:IMAGE_SetBMP()GUI_BMP_Draw()GUI_DrawBitmap()When drawing with any of these functions I see either the top-left most pixel or a vertical r...

craig23 by Associate
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STemWIN with OS

Posted on February 12, 2014 at 12:10 Hello everybody. I used STemWIN library with no OS, it works great. I try the RTOS example, but I found a strange bugs. Witout OS the bargraph and anti-analyzed text is working, but with OS not. In th...

totti001 by Associate II
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Question on STM32L USART communication

Posted on November 04, 2014 at 17:01I am using the STM32L1 Discovery Board (this one http://uk.farnell.com/stmicroelectronics/stm32l152c-disco/stm32l-discovery-eval-board/dp/2317987). I have written a program for USART communication on the two pins ...

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