STM32 MCUs Products

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STM32F407's Clock is not working

Posted on March 14, 2017 at 12:31dear. Engineer sirWe are currently working on a project using the STM32F407ie UFBGA176 chip.After configuring the microcontroller on the PCB and checking the operation of the microcontroller, the external oscillator ...

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rui CHU by Associate II
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USB bootloader serial number

Posted on February 20, 2017 at 12:37Hello,can the information be made available how the on-chip USB bootloader generates the serial number?This would be helpfull when an application provides a DFU endpoint to jump to the built-in USB bootloader.  As...

Is it possible to use Encoder and PWM from the same timer?

Posted on March 13, 2017 at 18:05Hi all,I am new to the STM32 and I am struggling with determining whether or not I can get PWM and Encoder input working on the same timer.I have a Nucleo-F103 board and using CubeMX, I have set up my board to use Ti...

Aaron M by Associate
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Resolved! APB1PeriphClock

Posted on March 15, 2017 at 17:38Is there a function or macro for determining the frequency of APB1PeriphClock and APB2PeriphClock?Thanks,jh#apb1periphclock

John Hite by Associate III
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Current consumption in Stop1 mode

Posted on March 15, 2017 at 09:58Hello,I have programmed my board (STM32L475) with the example '...STMM32Cube_FW_L4_V1.7.0\Projects\STM32L476RG-Nucleo\Examples\PWR\PWR_STOP1_RTC\MDK-ARM'. I measure current consumption and it is higher than the expec...

Resolved! Yet another blink a led question

Posted on March 12, 2017 at 16:56I'm sorry in advance for such a stupid question, yet i can't find my error.I have some chinese nameless 'stm32f103c8t6 system board' with F103C8T6 on board. I also use Coocoox IDE and ST-Link v2 programmer. The follo...

STM32L432 Nucleo reading internal temperature sensor

Posted on March 14, 2017 at 03:29I have STM32L432 Nucleo board. Using CubeMX I have configured the ADC1 IN17 to temperature sensor channel.How do you read this register using the HAL layer?I can already poll adc1 IN5 to read an external temperature ...

Resolved! STOP2 mode not Entering from HAL_PWREx_EnterSTOP2Mode

Posted on March 14, 2017 at 07:19MCU: STM32L443VCT-I am calling 'HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);' from the main application of my code but it seems that the function returns immediately (MCU not entering STOP2 mode). What I might be doi...