STM32 MCUs Products

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Resolved! Features depending on Power Supply-Flash memory access

Hello,​I​n the datasheet for the STM32F423 , I see at the table 18 "Features depending on Power Supply range". I want to understand what will be the performance of the MCU if I power it with 1.8 V. I don't clearly understand the table. At the column ...

Yevpator by Associate III
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Problem with duty cycle measurement

Hello everybody,I wanted to measure the duty cycle (tone) of a PWM signal with input capture mode. Unfortunately, it works only almost up to 65% of the duty cycle(Ton). otherwise will the T_off measured instead of Ton. does anyone have an idea what c...

Samuel1 by Associate III
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Error when using vPortFree(ptr) CMSIS-RTOS on STM32F4

I will need to handle dynamic memory using malloc and free. Looking on FreeRTOS documentation, I found pvPortMalloc(size) and vPortFree(ptr) , pvPortMalloc(size) works fine. When try to release memory using vPortFree(ptr) inside a Thread, the code ...

MGado by Associate
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SPI with non standard clk cycles.

Is there a way to have spi just send an abnormal number of clock cycles as opposed to just 8 cycles at a time? Is bit banging the only way? Can the LL library be configured or coded to do such a thing?

Andrew C by Associate II
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Sending 9 bit data using SPI STM32F7

Hi I'm using STM32F7 series microcontroller. Is it possible to send 9 bit data using SPI? the reason is i have to send 8 bit data along with command bit (ie 9th bit). I have seen some option in datasheet like we can chose the data length between 4...

PBU by Associate III
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