STM32 MCUs Products

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Forum Posts

STM32L1 cant enter lowpower sleep

Posted on July 26, 2017 at 17:59 Hello everybody. I simply can not figure out the settings needed for lowpower sleep. I am aware of fact, that i need to enter lowpower run first. My setup: - MSI 1048KHz - PWR Reg Voltage Scale Scale 2 ...

STM32F0 SPI TxFIFO Flush

Posted on November 10, 2017 at 20:05Hi,i've found simple problem with Tx FIFO in SPI in slave mode. Take a model situation from reference manual (STM32F031) 'Figure 281. Slave full-duplex communication'. Imagine situation when master stops communica...

stm32f401 footprints/pinout are they all identical?

Hi All,I downloaded the stm32f4 footprints library for altium and could not find a footprint for STM32F401RET6 (LQFP64), but in the library I can only find STM32F401XB and STM32F401XC footprints. However these chips only provides 256 kb of flash memo...

Raider E by Associate III
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Debug not stating correctly

When I start a debug session, the program start immediately instead of pausing, and the cursor is not at main() but at an odd spot in assembly. Using system workbench and a nucleo as a programmer. this is a custom target board running an STM32f091. W...

Unused I/Os of STM32F103RBT6

Hello,I didn't find in the datasheet, that MCU STM32F103 have an internal pull-up/pull_down.In this case. Should I make all unused I/O in pull-up or pull-down state?Thank you for your supportBest regardsHafedh

HHamo by Associate
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Glitch free duty cycle update

Hi, I am trying to update the duty cycle output on a STM32F107 MCU, glitch free of course. I know I have to set the appropriate PE bit in the TIMx->CCMRx register. This can be done with the library function TIM_OCxPreloadConfig(). At the time I make...

EGrom by Associate II
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  • 6 replies
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