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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STM32F051 SPI1 Strange behaviour

Posted on November 02, 2015 at 22:52My problem is that i am not able to write to SPI1->DR. I have a LIS2DH accelerometer on SPI1 and i am able to read �Who_Am_I'' register and it returns correct value. However when i try to read any other register v...

Safety integrity level (SIL) and STM32

Posted on October 31, 2015 at 08:21We are looking to make a product which would be SIL (level  2 or 3) compliant. In that product we use STM32F303.I would like to ask if any of you have experience with SIL? Especially with SIL and STM32 micros. Do y...

matic by Associate III
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Flash @ STM32F429VIT6

Posted on November 02, 2015 at 00:43Hi,I'm using FLASH to store some data. Everything works great when I write in an empty address. When I try to write in a already used memory position, the stored value becomes to zero!I tried erase the sector befo...

gui2 by Associate II
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STM32F4: Issues with USART1 Configuration

Posted on October 29, 2015 at 23:45 I'm currently experimenting with writing a driver for USART1 at the register level for the STM32F4 Discovery board. I've followed the initialization procedure on page 963 of RM0090; however, when I connect to ...

STM32F107 Ethernet PHY RMII (MICRELL KSZ8081RNG)

Posted on November 02, 2015 at 19:21In my design the STM32F107 is connected to the MICRELL KSZ8081RNG ETH PHY (which operates in RMII v1.2 mode).Using the LwIP i can  transmit ETH packets to the network but cannot receive any data from the net.Can t...

bemiki by Associate
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STM32F103 Matrix Keypad is causing CPU Halt

Posted on November 02, 2015 at 14:51HiI'm using STM32F103 in our products. We have sold about 700 unit before.Now We are in second mass production.But we have faced with a problem that has been reported by the clients.Our device features are:- RFID ...

select crystal to STM32F207

Posted on September 04, 2014 at 12:28Hello,I am a student that is designing a prototype with STM32F207VC. I'm trying to choose a 25 MHz crystal oscillator to have ethernet, with AN2876 guide. I see in this guide the recommend crystal STS25ASM , but ...

artemi by Associate
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STM32f427 SAI Clock Problems

Posted on October 30, 2015 at 14:56Hi I am struggling to get the External Audio Clock Input (PC9 12.288MHZ) to be output by the SAI Master clock pin PF7. I have used STM32Cube  to set it up and it all looks ok,  but I can not get any output on the S...

jowen by Associate II
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SDIO DMA Tx Fifo Error

Posted on October 24, 2015 at 22:52Hi Folks, am running The SD interface, along with FatFS on an F4 Discovery board plugged into a Discovery-BB which has a uSD card slot.  I am running DMA for Rx and TX data, 4 bits wide to the card.  It all runs gr...