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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NSS hardware control works on 407VG, but not on 405RG

Posted on February 04, 2016 at 10:18Hi, I want to use the hardware control of SPI3-NSS pin. I wrote a code for it on the Discovery board with the STM407VG and it works as intended. I use the drivers from the older Discovery bundle, not the STMCube. ...

denny2 by Associate II
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Make use of the 64k CCM

Posted on January 11, 2012 at 11:08I've spent (too many) hours trying to figure out how to use the CCM for something useful. And with useful I mean easy access from my code written in C. I use GNU GCC, etc (the Yagarto toolchain). At first I thought...

jorgen2 by Associate
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[HELP]Getting Started Using WATCHDOG

Posted on February 04, 2016 at 10:22 Hello, I just learn about stm32 programming. I am using STM32L053 discovery board. Right now i learn about how implementing watchdog in my code. Here my code int main(void) { /* Reset of all ...

dree86 by Associate II
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CubeMX upgrade clobbered my IAR project

Posted on December 01, 2015 at 22:59I upgraded from CubeMX 4.10.1 to 4.11.0.Problem 1 (maybe not a big deal)When I opened my project, it said I didn't have library version 1.3.0.  Which I do have.  It offered to migrate to 1.4.0 or download 1.3.0.  ...

Question about HAL_UART_Transmit?

Posted on February 04, 2016 at 14:56Guys, How can I print fr to UART ?  fr = f_open(&MyFile, ''STM32.TXT'', FA_CREATE_ALWAYS | FA_WRITE); HAL_UART_Transmit(&huart1, fr, 32, 1); // Debug I got this error : ..\Src\main.c(85): error:  #167: argument o...

ADC voltage calculation inaccurate

Posted on February 05, 2016 at 01:50I am using a STM32F072RB discovery board and trying to calculate the voltage on a pin (PA1). I attached VDDA to the pin and measured the voltage with a voltmeter and it is 2.97 V.The raw value that is read using a...

hassan2 by Associate II
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Recommended SDR SDRAM on FMC

Posted on February 04, 2016 at 23:31Hello I am planning to use 16MB SDRAM on F469 for grx applications. I would need something that works seamlessly with FMC on F469. The F429 Discovery Kit uses 8 MB from ISSI but winbond offers the same size for mu...

CMD16 timeout on STM32F746G-Discovery

Posted on February 04, 2016 at 20:41Hello!I am running tests on an SD card plugged into my STM32F746G-Discovery board. I am using the STM32F7xx_HAL_Driver and the BSP utilities provided for the Discovery board to access the SD card.When I use DMA fo...

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