STM32 MCUs Products

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How to generate PWM output using timers on PB0 and PB1

Posted on January 21, 2016 at 15:58 Hi all, I have the stm32F429 micro and I need to generate 2 PWM Output (see below) using pin PB0 and PB1. I tried with toggle mode and TM3 on ch3 and 4, but the duty is 50/50 and is not good. There is a phase...

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marco2 by Associate III
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Stm32f4cube 1.11.0 have a bug

Posted on February 11, 2016 at 07:05when I enable USB host and FatFs , Init function in Main created . But it dose not workint main(void){  /* USER CODE BEGIN 1 */  /* USER CODE END 1 */  /* MCU Configuration-----------------------------------------...

usb hangs: stm32f4

Posted on January 31, 2014 at 17:31Hi,I am implementing a CDC USB device using the STM32f4 and STM USB libraries.What I am finding is that after sending a number of multi-byte packets from the PC > STM32 the OUT pipe effectively hangs and I receive ...

mark2399 by Associate II
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8Gb SDcard with SPI ?

Posted on February 12, 2016 at 00:40Guys, Can I use 8Gb with FATFS and SPI ? Or I need to use 1Gb ? Thanks

EEPROM writing operation optimization ?

Posted on February 12, 2016 at 15:32Hi, I am using STM32L051, I need to write a big amount of data (200 bytes) in the memory . Today this operation takes about 1,4s . But it is too slow . In the RM0377(page 71), there should be a means to write a...

tingting by Associate II
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NUCLEO-F401RE Motor Controller

Posted on February 11, 2016 at 19:37I'm working on a little demo board to evaluate responses of different mosfets and one of the easiest ways to do this is to construct a motor controller. Can the NUCLEO-F401RE be used like the arduino uno in the li...

STM32F1 and STM32F4 external oscillator circuit shorted

Posted on February 11, 2016 at 20:14Hello,I am facing quite strange issue when some of my boards are suffering very rarely from burned path in the MCU for external oscillator input.It happen with STM32F1 and also STM32F4 in the way, that I can measu...

zexx86 by Associate II
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STM32 no complementary PWM for channel 4

Posted on February 12, 2016 at 13:52Hello there, I have noticed a while a go, that STM32 feature nice timers 1 and 8, which can be used for effective motor controll thanks to complementary outputs and deadtime mechanism. However, for some reason non...

non-inverted UART output

Posted on February 27, 2013 at 09:28Hi I am trying to command a Pololu Maestro device from my STM32 device. The Pololu requires a non-inverted TTL signal for commands. I can send out the command through an attached UART board to a hyperterminal sess...

juerg by Associate II
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Can't get anything onto TX line with USART

Posted on February 12, 2016 at 10:18 Hi, I'm using the STM32L053R8 on a Nucelo (L053R8) board and I can't seem to get anything on the TX line. It doesn't even get pulled high as you'd expect from the USART module before any transmission. ...

george by Associate
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