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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Some questions about USART operationi

Posted on March 09, 2017 at 08:34Hi,I want to know more about USART operation and I will appreciate for your comment and explanations.1)If RXNE=1 and it execute interrupt subroutine always it means that we a valid data? even the between operation so...

parisa by Senior
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Resolved! spi clock error in STM32L431

Posted on March 10, 2017 at 09:32hi,I want use SPI1 as master and SPI1 reg configure as that    SPI1->CR2 = 0x1704;     SPI1->CR1 = 0x15C;read code is    GPIOA->BSRR |= 1 << 20; //set NSS low    for(i = 0;i < command_size;i++) {        while (0 == (...

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cai.bai by Associate II
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STM32F0x Read/Write to Internal Flash

Posted on March 09, 2017 at 16:25Hi,I'm new on ST MCU, I'm trying yo understand how to read the internal flash of STM32F042K6. I want to read the Page 31 of the device, the address is 0x800FC00 but if I try to read it with a pointer the program goes...

STM32 Cube F4 download problems

Posted on March 10, 2017 at 06:13Hi,I don't know what good it is ranting to the community here, but in the hope,that someone @ST looks into these and thus a final resolve.I 've been trying to download the Cube F4 package for 2 days.The problems are:...

Unplug USB from stm32f205 during data exchange

Posted on January 18, 2017 at 12:53Hello there.I have problem with USB Device CDC based MX Cube for stm32f205.When custom program exchange data with device I unplug USB. Then after some time I connect cable again.I can see that device send data from...

STM32L162 Watchdog and Stop Mode

Posted on March 09, 2017 at 20:22Is it possible to enter Low Power Mode (Stop Mode) if the watchdog (Independent or windowed) is enable?I know the independent watchdog cannot be disabled, but I though the windowed one could be disabled. I'm using Cu...

sergetr by Associate II
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Resolved! STM32F446 ADCs Fighting Inputs

Posted on March 09, 2017 at 16:59I am using a single channel on ADC1, and a single channel on ADC2, both using DMA.  Everything code-wise is working, but the ADCs appear to be fighting/resisting the inputs.  For instance, with nothing connected, eac...

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STM32F334 SPI TX DMA

Posted on March 08, 2017 at 15:04Hi,Followed a similar thread with SPI Rx Slave inhttps://community.st.com/0D50X00009XkhZKSAZ followed the same, but used Channel 3 instead..The RM0364, DocID025177 Rev 2, Page &sharp179, Figure 20. STM32F334xx DMA1 r...

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