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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Serial over ST-Link USB on stm32F722

Posted on February 14, 2018 at 21:29Hello,I've developed a program reading and writing serial data using USART6 and pins 6 & 7 on GPIOC.  It uses DMA to perform the RX & TX and is working fine.  We thought we might be able to save some wiring effort...

Resolved! STM32H753BI stock

Posted on February 13, 2018 at 06:54ST, when would you expect these parts to be available ?How can I organise 2 units for my boards ?

T J by Lead
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STM32F3Discovery : Unknown target connected / Keil

Posted on December 11, 2012 at 20:56I just got a new STM32F3Discovery board and when I am trying to start a debug session using Keil, it is giving me an error saying ''unknown target connected'' and it fails to download code into the flash. Has anyo...

STM32 RTC only updates after Reset

Posted on February 14, 2018 at 16:59Hello. I'm driving The RTC On STM32F4 Discovery and  I'm using STM32Cube for initialization. after everything, It only updates the value after a Reset. I don't know what the problem is. Can you help?Here is the co...

C/C++ Example for CRC Calculation

Posted on March 19, 2013 at 18:37Hi, does anybody know, where i could find a c/c++ example for calculating a crc like the hardware based unit in a STM32F10x? Some links in this forum seems to be obsolete. knut #crc-stm32f103-algorithm-example

knut2 by Associate II
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Resolved! Is calling EXTI_GetITStatus() sometimes unnecessary?

Posted on February 13, 2018 at 16:02 I wonder if I can delete the call to EXTI_GetITStatus() in the following example code? TheEXTI0_IRQHandler is not used for any other external interrupts. So thecall to EXTI_GetITStatus() seems unnecessary...

sima2 by Associate III
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Resolved! ADC does not read voltage linearly

Posted on February 13, 2018 at 16:09Hi,I using STM32F103 and I'm measuring voltage on PB1 (AIN9) using ADC1.As seen in the table below the ADC readouts in 1.59V and 1.34V are basically the same. It seems the turn point is around 1.49V.Can anyone hel...

Resolved! Pin Multiplexing details of STM32H753xI

Posted on February 13, 2018 at 16:26Hi, We are planning to use STM32H753xI in our design. We should prepare Architectural Block diagram of the Board. To do that we need to know the Pin multiplexing details of the device and accordingly plan the Inte...

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