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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STM32F7 DISCO - Storing data in NOR

Posted on November 12, 2015 at 19:10 Hello everyone, I just started using the STM32F7-DISCO board and i wanted to start with writing a small UI app with a single image, with the image data being stored in the NOR flash. but the applicatio...

ahmed2 by Associate
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USART example with interrupt (optional DMA)

Posted on November 26, 2012 at 15:22Hi, I tried and I failed, now I'm asking here If someone please could provide an USART Data transmit and recieve example which uses interrupts (and if possible DMA for large datatelegrams ~ 5Kbyte). I'm using the ...

ersan by Associate II
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SDHC SPI STM32 Definitive Question

Posted on January 26, 2016 at 23:53Hey everybody. I`ve been browsing the forum for a while trying to solve my problems with SDHC, but I can't find an answer. I have this 4gb SDHC card and it won't initialize at all! I just can't make it work. It wor...

SPI1 and SPI2 together ?

Posted on February 17, 2016 at 23:14 Guys, Can I use SPI1 as VS1053 and SPI2 as SDcard, It seems that after VS1053 initialized, it can not read SDcard ?? why is that ? Thanks void Init_FAT() { char FAT_cnt = 0; if ...

Error while erasing flash ROM

Posted on February 18, 2016 at 06:56I am using STM32F427IG microcontroller. The Flash Rom is connected to the FMC Controller.  I am getting error when I tried to erase a sector of flash memory. The error status flags- PGSERR, PGPERR was set. It work...

gigo by Associate
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STM32F4 DSP IIR Filter

Posted on February 18, 2016 at 18:37Hello everyone, i try to make iir filter on STM32F4. Here how ive written it:float Sum,s1,s2, b0=3622,b1=7243,b2=3622,a1=822690,a2=-837162; int in0,in1,in2;in0 = ADC1->DR; // pass ADC -> circular buffer x1 Sum = 0...

F301 ADC injected conversion std peripheral lib commands

Posted on February 16, 2016 at 23:14I'd like get analog readings from pin PB0 triggered from timer 1 CC4, on my F301K6. I have configured the GPIO settings to set PB0 for analog input. There aren't any examples of injected conversion in the peripher...

avik by Associate II
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BlueNRG DK 1.9.0 Projects not for Keil-ARM?

Posted on February 18, 2016 at 16:06Hi, I just downloaded the BlueNRG DK 1.9.0 to check the Nucleo Skin X-Nucleo-IDB05A1. Just to my surprise there all projects come only with IAR-EWARM Project files. Is this reality or STM really wants all Programm...

flyer31 by Senior
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