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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I2C busy flag reset by stop?

Posted on April 02, 2015 at 13:30Hi,I'm using a STM32F103 device.According to the manual the I2C busy flag is cleared by hardware after detecting a Stop condition.Does anyone know if this is correct? I wonder for this specific situation:Master trans...

STM32F205 LQFP64 revision mark

Posted on April 02, 2015 at 11:37The datasheet describe revision marks only for LQFP100 and greater packages. How to find out revision on LQFP64? Since in AN2606 is written that version of bootloader is different indevices revision B and X,Y - I wan...

timmmma by Associate
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STemWin and commercial use

Posted on April 02, 2015 at 10:26Hello. I'd like to know, can i use STemWin library in commercial products? And is it possible to create your own driver for touch screen?

TIM1 DMA2 Request while in DMA Memory-Memory mode

Posted on March 30, 2015 at 02:07Hello friends, I'm messing around with the f4 discovery trying to get Timer 1 to send a DMA transfer request to DMA2, which would transfer a whole GPIO input register (GPIOx_IDR) to somewhere in memory. I was able to...

muffin by Associate
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SD init after wake up from standby

Posted on April 06, 2013 at 15:06Hello.  I have a data logger on my board and i use a standby mode. When i start a program and  i put the uSD card into the slot before, all work fine for the first cycle.When i  go from the standby and i want to init...

jspika by Associate II
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Getting ADC working on STM32f334 discovery

Posted on March 31, 2015 at 05:09Hi all,I am trying to get ADC working on the STM32f334 discovery board, using the HAL drivers, however there isn't enough documentation on the HAL drivers to help me (''Description of STM32f334 HAL Drivers.pdf'' does...

previn by Associate II
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STM32F429 USB CDC & LTDC Issue

Posted on April 01, 2015 at 21:58Hello, My custom board has a STM32F429IIT on it and I am trying to use the LCD and USB FS modules.  I can get a picture on the LCD using an external SRAM attached to the FMC and also I can get the USB FS module to co...

Bug in STM32L0 HAL TIM / reference manual flaw

Posted on April 01, 2015 at 20:23The reference manual in section 21.3.3 to choose the clock for a timer says the following: External clock mode2: external trigger input (ETR connected internally to LSE) But the following description is not sufficien...

karsten2 by Associate II
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Bug IN HAL STM32L0xx ?

Posted on March 25, 2015 at 13:18 Hi, I think there is a bug in the HAL layer of ST. (version 1.1.0) My code is very simple: I initialize two GPIO (PB4 and PB5) in Interrupt. GPIO_InitTypeDef GPIO_InitStruct; // Configure the...

foujanet by Associate II
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