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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Capacitive sense problem - STM32F0

Posted on April 12, 2018 at 02:56Hi there, I am attempting to implement capacitve touch sensing using basic touch keys with an stm32f051. I have generated the project with STM32cubeMX, so setup is all there. But, struggling to write code to perform ...

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Modifying the code in the main.c file

Posted on April 10, 2018 at 04:59Hi!I am curious about the main.c file among the files generated by the stm32cubemx program.I want to configure directly the system clock in the main function without calling the SystemClock_Config function in the mai...

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SJ Lim by Associate II
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Resolved! I2C always falls into HAL_I2C_ERROR_AF

Posted on December 20, 2017 at 13:04Hi, everyone.I2C peripheral has been initialized with STM32CubeMX according to the picture bellow:I am using I2C1, pins B9 (data) and B8 (clock) in STM32F4 - Discovery. The device�s address is 0x60 (Says the datas...

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SPI Issues: NSS stays low, clk pol high toggling

Posted on April 12, 2018 at 18:46Using STM32F0 device and having some trouble with NSS hard output returning high after transaction, and also when using idle high clock polarity the preamble idle state is changing.  Sometimes it toggles high before ...

How to enable GPIO 5V tolerance

Posted on April 12, 2018 at 14:37Hai,we are using a STM32F070RBT6 controller for development  i need a clarification regarding I/O'sif we want use FT 5 V tolerant I/O we need add any external component or just enable has high.ThanksRakshith

LCD Suggestion to optimize CPU time.

Posted on April 12, 2018 at 15:52Suggestion to optimize CPU time.Hello,I'm working on STM32L433 device and I use the LCD peripheral embedded. The CPU executes my main loop every 50ms, like the description below. And I refresh the LCD display at each...

thln47 by Associate III
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I2C config on STM32F446xx

Posted on April 12, 2018 at 09:36I use Nucleo64 STM32F446REI want to configure I2C peripheralIn Reference Manuel RM0390 , �24.6.2 I2C Control register 2 (I2C_CR2), it's specified for Bits 5:0  FREQ[5:0]: Peripheral clock frequency :'the maximum freq...

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