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...


Audio Compression

Posted on May 02, 2013 at 17:40Does anybody have a good ap note or direction for incorporating software compression on an audio stream? I'm using the discovery board[STM32F4] to record the audio[8KHz 16Bit] and would like to send over a wireless lin...

Audio Playback and Record, DMA from RAM

Posted on April 23, 2013 at 01:28When executing the audio clip from flash[const defined location as in the example project] the audio file plays fine, but if I remove the ''const'' as to allocate ram for the audio clip, I get only a small block of w...

STM32F4 Burned out

Posted on April 18, 2013 at 11:04Hi,I'm using an stm32f4 on a PCB and suddenly it became extremely hot. The strange thing is that it still worked, but there was an extremely (relatively) high current running through the circuit. I've removed the stm...

thommagn by Associate II
  • 6 replies
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Adapting SPI from F1 to F0

Posted on April 23, 2013 at 22:41 Hi, I have some working code on STM32F103 that I want to use with a STM32F051 (Discovery board) but I have some troubles to get the SPI communication working. The program get stuck when waiting for an in...

STM32F103 - I2C Slave - Polled works, Int fails

Posted on April 23, 2013 at 12:38 Hi all, Im taking my first steps in trying to get a STM32F103 I2C slave working... Not easy considering what seems to be the complete lack of simple known working examples :( Polling for I2C eve...

mwp by Senior
  • 5 replies
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USB help stm32f4

Posted on April 30, 2013 at 09:35Hello I am using stm32f407 ;  this function  USBH_Process(&USB_OTG_Core, &USB_Host); execute about 4 seconds  then start the application ; is there any suggestion to decrease the excution time ?

sami by Associate II
  • 1 replies
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generate one pulse

Posted on July 08, 2011 at 06:18I am trying to generate a single pulse using the TIM_SelectOnePulseMode() function in STM32f10x_tim.c source file. But I am not able to get the pulse. why? I am using TIM4 CH2... Any advice? int main(void) {     TIM_C...

kong0073 by Associate II
  • 16 replies
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Programming Issue

Posted on April 30, 2013 at 11:30 Hi guys, I've been working on interfacing an SD Card with this board but I'm having some issues on programming. The problem is that I've made a function to read a cluster on the sd card however as soon as I u...

erik by Associate II
  • 15 replies
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open drain GPIO output

Posted on April 29, 2013 at 16:36Dear all, A question about configuring GPIO outputs, I've connected a Led to 3v3 and the other side via a resistor to the STM32F051. I want to switch on the led with the GPIO_SetBits() function However my led is by d...

evert2 by Associate II
  • 6 replies
  • 0 kudos