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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Sin wave generation problem using TIM1 & PWM

Posted on March 02, 2016 at 23:17I am a student from University of Cairo Iam trying to  generate a 50 hz sinusoidal using my stm32f4 discovery board. I am running my timer in 10khz (switching freq = 10khz) and I am using a lookup table (generated fr...

ralph by Associate II
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Nucleo STM32F401 testing HAL SPI driver

Posted on March 04, 2016 at 23:47Hi, i wrote a simple program in Keil uVision to test the HAL SPI driverThe logic analyzer shows that there is clock activity as expected but the MOSI ouput stay low all time even with pull-up enabled (see attached sc...

USB CDC problem

Posted on March 02, 2016 at 00:07I am using the Stm32CubeL4 to generate a USB device with a CDC class. This is on a custom board. I am not using the USB ID line or VBUS. It runs, but USBD_CDC_Init() is never called. On the Windows side, I see an ''...

jstefan by Associate
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STM32 F4 discovery USB audio program

Posted on March 04, 2016 at 21:12Hi All,I am now trying to building a USB sound card with microphone.When I use USBlyzer to monitor the usb communication, it didn't have ''set configuration'' and start fails.which part is wrong?Thanks.

fangdu by Associate II
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512kB chip won't flash, but 2MB will (f429)

Posted on March 04, 2016 at 06:47I'm developing an application using the stm32f429 and have completed the firmware. The total size is only ~300kB so I'm trying to downgrade to the 'VE' version with only 512kb as it's substantially cheaper.On my prot...

STM32F0 Hard Fault Error

Posted on March 02, 2016 at 16:40Hi all,The issue that I am having is that I having is last night I was programming and found that my code suddenly stopped functioning completely. After running in debug mode I found that the code immediately enters ...

eric5709 by Associate II
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Cannot flash STM32F103 if PLL enabled

Posted on February 26, 2016 at 02:55I'm trying to deal with the setting clocking of STM32F103 MCU without the use of third-party libraries.I wrote several functions for this: http://pastebin.com/kLQS9UmwIf I setup clocking by stm32_rccUseHSE, then e...

kiv by Associate II
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External oscillator use in STM32F103xxx

Posted on March 04, 2016 at 18:00Can I use an external oscillator module to drive a clock directly into the 'oscillator in' pin?ST documentation only shows crystal with load capacitors. #stm32 #oscillator #-

cgordon by Associate
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Using ULPI interface to have MCU-to-MCU communication

Posted on March 04, 2016 at 17:18Hi,Anyone knows if it's possible use the ULPI interface for MCU-to-MCU communication??I need to have a high throughput bus communication. Even SPI is not fast enough.I am using the STM32F427.Regards :) #ulpi-stm32...

ababo by Associate II
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Programming STM32F746 to use TCM interface?

Posted on March 04, 2016 at 15:32I built a test program using STM32CubeMX to test the STM32F746 in TCM flash interface mode (selected from the dialog box brought up by using the Cortex M7 button on the configuration tab).  I imported the project int...

kevin2399 by Associate III
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