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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self programming

Posted on May 04, 2016 at 10:58hello every onei want to design stm board which  should has device firmware upgradebut in this case i have no access to boots pinsmy upgrade data will be send by 3g (GSM module) to board and 3g module just have serial ...

IAP: Command line tool to program Flash ROM of STM32 SOC

Posted on May 04, 2016 at 11:27Hi All,Sometime ago, I developed a bootloader for firmware update over the air (GSM/GPRS network) for STM32F0xx SOC; many thanks to ample information shared by the community members and ST's documentation. To make the ...

gmate1 by Associate II
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Low Power ADC readback issue on STM32L052x6

Posted on May 03, 2016 at 23:27We set ADC1 on the M0 micro-controller to listen to a GPIO pin. Under low power mode, the reading is shifted.The low power mode for ADC setup is as following:    .Instance = ADC1,    .Init.ClockPrescaler = ADC_CLOCKPRE...

Cortex-M4 DSP instruction

Posted on May 02, 2016 at 19:45Hello!I would like to ask, if anyone knows, if there is a DSP instruction for Cortex-M4, which would calculate x*x + y*y. I saw that there are some quite complex instruction which are intended for similar calculations,...

matic by Associate III
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LCD in 8080 mode with STM32F429 FMC

Posted on April 16, 2016 at 16:40Hi all, I have trouble getting a LDC Display on the STM32F429 FMC to work in 8080 Mode. I use the same hardware connection like withe STMF4Discovery Expansion Board and the STM32F4DIS-LCD Modul.FMC_D0   (PD14)  -> LC...

jens23 by Associate
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Cannot do DMA with USART Rx

Posted on April 22, 2016 at 11:07Hello communityI am having troubles when doing DMA with USART on an STM32F030. Thanks in advance to anybody will help.Not sure if i did the homework correctly so I need someboody to check thisTMy application aims to ...

stanzanim by Associate III
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UM1734 Error - USB Device - CDC

Posted on May 03, 2016 at 11:50pdf:      UM1734rev:      3page:     52/59Section: 6.5.6step:      4bug:       text wrongly reads: CDC control requests should be handled by the function Controllability().fix:        state the name of a function or ca...

peculiar error

Posted on May 03, 2016 at 14:15Hi i am using f429. and also using the stm library. problem with decryption.. 

arunl4g by Associate II
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STM32F103 DMA Timer interrupt concept question

Posted on May 02, 2016 at 16:41Hi, I have a conceptual question about DMA data transfer and timers.  I'm using an STM32f103RBT6 and would like to output a square wave signal that is non repeating.  What I would like to do is to create a buffer of ca...

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