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STM32F103 Maximum input Frequency

Posted on April 28, 2018 at 19:09I use STM32F103 how much is the maximum input maximum encoder frequency. For example if the possible i reading the 20 KHz. I use the TIMER4 encoder mode but i not read the up the 2 KHz. How much is the maximum freque...

Resolved! STM32F767 Nucleo144 - Default clock frequency

Posted on April 28, 2018 at 12:54Hi,what is the default system clock frequency (previous that all clock configuration take place) on the development board 'STM32F767 Nucleo-144'?Where I can find this information?Thank you for the answer.

STM32F427 does not boot after power on

Posted on April 26, 2018 at 17:16Hello,i  am using a design with a STM32F427  100pin package, and notice after leaving the board unpowered for several hours if i power up again, the software its not starting.If i retry the restat the power it will s...

Bogdan by • Senior
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linker script help: What is meant by >RAM_D1 AT> FLASH

Posted on April 28, 2018 at 02:30This follows the .data {....} section.  I think I understand the first part >RAM_D1 meaning the data sections start in the RAM_D1 memory who's origin is 0x240000000 in my case, but what does the AT> Flash do?  My gue...

Erasing chip after Level 2 protection

Posted on April 27, 2018 at 15:00Hi,  I am testing a Nucleo-64 stmL07xxx board and playing around with the protection parts.  After I added my application I set Level 2 protection to prevent read/erase and program of processor. It says its irreversa...

STM32F4 - fastest IIR biquad impelementation in Assembler

Posted on April 27, 2018 at 12:07Hi,I need the fastest implementation of a biquad IIR filter for STM32F4 in assembler. I have to run more than 60 filters at 48kHz. My current best time are 24 cycles per filter with TDF2 (17 at STM32F7).The order of ...

koster by • Associate III
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Using STLink Utility to protect bootloader

Posted on April 27, 2018 at 16:40Hi  I have been looking on the forum and web regarding flash memory protection,writing etc...  I basically want to write a custom bootoader and have its memory , 1st page, write protected to prevent any overwriting. ...

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